INDEX OF SUBJECTS.Absorption spectroscopy, 369.Acetaldehyde, dimensions of, 8.oxidation of, by peracetic acid, 49.Acetamide, radical from, 11.NN-dimethyl-, configuration of, 13.Acetate as precursor of antibiotics, 350.Acetate radical, heat of formation of, 72.-4cetic acid, irradiation of solutions of,68.Peracetic acid, oxidation of acetalde-hyde by, 49.Peroxyacetic acid, anhydrous, prepar-ation of, 190.trans-4-Acetox ycycZohexanecarboxylicacid, methyl ester, formation of, 173.Acetyl peroxide, heat of formation of, 72.Acetyl tetrafluoroborate, 99.Acetylandromedol, identity of, withAcetylene irradiation of solutions of, 67.Acetylene complexes with transitionmetals, 127.Acetylenes, 197.Acids, fatty, 205.grayanotoxin and rhodotoxin, 228.gas-liquid chromatographic separ-ation of, 369.Acid-base equilibria, 50.Acraldehyde, oxidation of, by manganicAcridine, action of benzyl radicals on, 169.Acridinium salts, reaction of, with activemethylene compounds, 249.Acrylonitrile, polymerisation of, 56.Actinomycin C,, D-amino-acids in, 347.Actinomycins, 250.A4cylating agents, dtmn.of, 376.Acylation, 155.Adamantane, preparation of, 215.Adipic acid, chromatographic separationof, 367.Adsorbed molecules, 90.Ascigenin, structure of, 226.Affinin, identity of, with spilanthol, 207.Ajaconine, 260.Alantolactone, structure of, 220.Alcohols, dtmn. of, 359.Aldehydes, a-keto-, preparation of, 196.a/3-unsaturated, preparation of, 195.Aldolase, 317.Alicyclic compounds, 212.Aliphatic compounds, 197.Alkali metals in liquid ammonia, modelfor, 95.Alkaloids, 254.pyrophosphate, 50.irradiation of solution of, 67.steroidal, 273.Alkyl substituents, effect of, on heats ofAlkylation, 155, 194.Allene radical, 200.Allenes, 200.Alloys, thermochemistry of, 81.Ally1 anions, stereochemistry of, 184.Allylic carbanion, conformation of, 2 12.Aluminium, calorimetric dtmn.of, inbrasses and bronzes, 370.dtmn. of, in presence of iron andchromium, 360.passivation of, 25.hydrogenation of olefins, 75.of benzene derivatives, 228.Aluminium, triethyl-, reaction of, with di-cyclopentadienyltitanium dichloride,102.Aluminium bromide, bromine resonancein, 16.Aluminium chloride-carbon yl chloride, ex-change of chloride, 102.Aluminium trichloride, compounds of,with phosphorus oxychloride, 102.Americium, valency states of, 137.Amides, energies and entropies ofAmines, aliphatic, photometric dtmn.of,Amino-acids, 276." Aminoacyl Einlagerung," 292.Amino-sugars, 304.y- and 8-Aminovaleric acid, synthesis of,Ammonia, decomposition of, induced byAmmonia molecule, exchange of, 122.Ammonium dichromate, heat of formationAnabasine, A2-tetrahydro-1 : 1'-dimetliyl-,formation of, 245.Analytical chemistry, 353.Anibine, structure of, 256.Anionotropic rearrangements, 163.Annotinine, structure of, 262.Anthracene, action of benzyl radicals on,Anthrasteroid rearrangement, 269.Antibiotics, aromatic, biosynthesis of, 350.Antimony, photometric dtmn.of, 373.Antimony analogues of aniline and di-Tetrachloroantimony fluoride, form-Trifluoromethyliodostibin es, 1 15.Alumina, heat of formation of, 74.molecular association of, 79.376.277.a-particles, 66.of, 80.169.dtmn. of, 377.phenylamine, 109.ation of, 115.REP.-VOL. LIV 41 7 418 INDEX OF SUBJECTS.Antioxidants in petrol, dtmn. of, 365.Aphyllidine, structure of, 255.(A)-Aphylline, 255.Apparatus, analytical, 384.Aqueous soh tions, radiation chemistry of,Arctiolide, structure of, 219.Aromatic complexes with transitionAromatic compounds, 228.pseudo-Aromatic systems, 234.Arrhenius parameters of free-radical re-actions involving organic com-pounds, 36.of homogeneous elementary reactionsin inorganic systems, 32.64.metals, 128.Arsenic, colorimetric dtmn.of, 374.Arsenic analogues of aniline and diphenyl-amine, 109.Diarsine, 108.Hydroxyfluoroarsenic acid, potassiumsalt, 114.Tetrafluoroarsenates, 114.Artemisetin, structure of, 252.cycZoArteno1, identity of, with /I-orysterol,Arylazotriphenylmethanes, decompos-Ascortigen, structure of, 247.Aspidin, structure of, 226.Aspidospermine, structure of, 269.Astatine, oxidation of, 121.Rstatophenol, formation of, 121.Athamantin, structure of, 253.Aureothricin, biosynthesis of, 346.Azaoctatetraenes, tri- and tetra-, 246.Azaphilones, 254.Azelaic acid , chromatographic separationof, 368.Rzepines, 252.Azide ions, decomposition of, by X-rays,Azides, photometric dtmn. of, 373.Aziridine, I-ethyl-2-methyl , 208.Azo-compounds, direct titration of, 364.Azoles, 242.Azulene, resonance energy of, 75.Azulenes, 235.test for, 355.225.ition of, 166.65.Bzcitracin, amino-acids in, 347.Eaptifoline, structure of, 255.Barium, dtmn.of, in zirconyl chloride andBasic functional groups, titration of, 361.Beckmann rearrangement of steroidBelladine, structure of, 260.Benzene, irradiation of solutions of, 67.biosynthesis of, 346.zirconium, 357.oximes, 269.isomerisation of, to fulvene, 228.pentafluoro-, formation of, 228.Benzene derivatives, alkylation of, 228.Benzocyclobutadiene, 235.“ Benzocyclobutadienequinone,” 235.Ren zodithioph en, form atinn of, 240.Benzofurans, alkyl-, 246.Benzoic acid, heat of combustion of, 72.formation of, 81.Ben zocy dopol yenes , 2 35.Benzoxazolones, 6-methoxy-, in maize,Benzoyl chloride as ionising solvent, 105.N-Benzoyldiphenylamine-2-carboxylicBenzoyl bromide, heat of formation of,Benzyl radicals, reactions of, 169.Benzyne intermediates, 233.Berkelium(rv), separation of, 138.Beryllium, dtmn.of, 357.Beryllium amalgam, preparation of, 96.Beryllium oxynaphthoates, 96.Bile acids, 270.Bimolecular substitution at a saturatedcarbon atom, 162.Biological chemistry, 306.Bismuth, absorptiometric dtmn. of, 372.Borazens, formation of, 101.Boron, absorptiometric dtmn. of, 375.248.acids, conformation of, 180.77.micro-determination of, 37 1.dtmn. of, 358.in nickel, 374.traces of, 354, 372.tributyl- and triethyl-, as initiators intrimethyl-, decomposition of, 101.tri-n-propyl-, formation of, 98.Boron hydrides, 97.nitride, 97.phosphide, 97.trichloride, addition compounds of, 101.Boron trichloride-carbon monoxide poly-mers, 100.Boron trifluoride, reactions of, 99.Boron trifluoride-ether complex, catalysisof polymerisation by, 59.Boron-nitrogen compounds, new class of,99.Alkylboronic anhydrides, preparationof, 101.Alkylborons, 193.Dibxane, bridge-breaking energy of, $9.preparation of, 98.Diborane as reducing agent, 188.Diboron tetrachloride, configuration of,100.Dimethylboryl methyl peroxide, 101.Disilylaminoboron difluoride, 100.Fluoromethylboron difluoride, 100.Tetraborane diammine, 98.polymerisation, 60.Bottromycin, biosynthesis of, 346.Bromine pentafluoride, structure of, 119.trifluoride, dimensions of, 8.structure of, 119.-bromine system, 120.Bromide ion, oxidation of, by nitricacid, 51.Bromides, chromatographic separationof, from chlorides and iodides, 366.Tetrafluorobromite ion.strilcture of,120INDEX OF SUBJECTS. 4192~-Bromolanostan-3-one, conformation of,Burette of high accuracy, 384.cycZoButanes, bisdiarylmethylene-, 2 13.cycZoButanone, photolysis of, 40.isoButene, polymerisation of, 59, 61.But-2-ene, rate of isomerisation of, 58.tert.-Butyl hydroperoxide, decompositionn-Butyl phosphate, electron irradiation of,Butyrate radical, heat of formation of, 72.Butyryl peroxide, heat of formation of, 72.Cadmium, dimethyl-, bond dissociationCadmium sulphide, m.p. of, 145.Czsium, radic-chemical dtmn. of, 383.epzCalcifero1, 270.Calcium, complexometric titration of, 360.direct titration of, in presence ofmagnesium, 359, 360.volumetric dtmn. of, 378.Camphenilanic acids, configurations of,217.Canthaxanthin, 203.Capsanthin, reformulation of, 202.Capsorubin, reformulation of, 202.Carbohydrates, 292.esters of, 300.mutarotation of, 297.oxidation of, 294.phosphates of, 300.stereochemistry of, 292.Carbon, latent heat of evaporation of, 82.micro-dtmn. of, in organic compounds,monatomic, heat of sublimation of, 82.vapour of, composition of, 82.Carbon and carbon compounds, dtmn. of,Carbon dioxide, decomposition of, byCarbon monoxide, electronic structure173.of, 49.68.energies in, 81.378.in bromine, 381.ionising radiation, 66.dtmn.of, in water, 381.of, 9.heat of dissociation of, 82.Carbon tetrachloride, heat of formationCarbonyl chloride-aluminium chloride, ex-Carbonyl compounds, 195.Carbonyls, 124.Carboxylases, 316.Carboxylic acids, 196.A3-Carene, reactions of, 216.Carotenoids, 200.Catalysed reactions, homogeneous, 46.Catechin derivatives, 253.Cativic acid, structure of, 221.Cellulose, bacterial, dtmn. of, 379.“ Centaur X3,” structure of, 197.Cerium(Iv), spot-test for, 381.Chalinwterol, structure of, 269.of, 77.change of chloride, 102.Ceric perchlorate, oxidation of ethanolby, 49.Chamic acids, 216.Chanoclavine, structure of, 260.Chloramphenicol, biosynthesis of, 348.Chlorbenside, assay of, 381.Chlorine, micro-determination of, 379.quadrupole resonances in, 16.Chlorides, chromatographic separationof, from bromides and iodides, 366.Perchloryl fluoride, properties of, 119.irradiation of, 70.reactions of, 267.24-methylene-, synthesis of, 269.Chromatography, 365.Chromium, dtmn.of, in presence of ironand aluminium, 360.zero-charge potential on, 27.Chromium hexacarbonyl, 124.Chromic acid solutions, aqueous,Chromous iodide, heat of sublimation of,Dibenzenechromiuni cation, fine struc-Hypochromate ion, CrOd3-, 134.“ Perchromic acid,” structure of, 134.Cholesterol, biosynthetic, 275.thermal decomposition of, 134.82.ture of, 10.Chrysene, synthesis of, 229.Chy mo trypsin, 3 10.Cinnabarin, structure of, 250.Circumanthracene, 229.Cleavage, point of, in biological systems,Cobalt, colorimetric dtmn.of, 374.radiochemical dtmn. of, 383.univalent, formation of, 139.Cobalt(m), acetate, 139.Cobalt carbonyl anion, compounds of, 126.Cobalt carbonyls, derivatives of, 126.Cobalt (111) complexes with phosphateCombustion method, new, 378.Complexones, uses of, 359.Conformational analysis, 170.“ Conformational transmissicn,’ ’ 174.Copper, colorimetric dtmn. of, 370.310.group, 140.anomalies, 173.control in unimolecular reactions, 159.complex ions of, with bromine, 145.complexometric dtmn. of, in presence ofmercury, 360.overvoltage of, 26.radio-chemical dtmn. of, 383.reductometric titration of, 362.spectrometric dtmn.of, 373.zero-charge potential on, 27.Copper acetylacetone, anisotropic g-factorCopper nitrate, anhydrous, 144,Copper porphin derivatives, resonance in,Cuprocyanide ion, crystal structure of,Cuprous chloride, infrared spectrum o f ,in, 10.10.144.144.Coronene, formation of, 229.Corticotropins, structure of, 282420 INDEX OF SUBJECTS.Corynoxeine, structure of, 258.isocoumarin, ( -) -3 : 4-dihydro-8-hydroxy-6-methoxy-3-rnethy1, in bitter car-rots, 252.Crocetin diesters, 202.Cryptopleurine, synthesis of, 262.Cryptoxanthin, preparation of, 201.Cucurbatins, 227.Curium(1v) fluoride, 138.isocyanate, colorimetric test for, anddtmn. of, 376.Cyanic acid, hydrolysis of, 50.Cysteine, irradiation of, 70.Dalbergin, U-methyl-, structure of, 252.Darutigenol, 222.Dehydrases, 312.Dehydrogenases, 312.17-Demethoxydeserpidine, synthesis of,Dendrolasin, structure of, 215.Deoxyribonucleic acid, irradiation of, 70.Depolymerisation, 57.Desaspidin, structure of, 226.Deserpidine, 17-demethoxy-, synthesis of,Deutero-compounds, optically active, 185.Diacetylenes, terminal, oxidative couplingDiacyl peroxides, thermal decomposition“ Diatretyne 11,” 197.Diazines, 245.Diazo-coupling, 155.Diazonium salts, 234.Dibenzenechromium cation, fine structuretrans-1 : 2-Dibromocyclooctene, 182.1 : 2-Dichloroethylene, cis- and tram-,Dielectric measurements, 83.Diels-Alder reaction, retrogressive, use of,Diethyldithiocarbamates, analytical use(o-Diethylphosphinophenyl) diethylarsine1 : 4-DimethylcycZohexane, autoxidationDinoronocerane, 222.Dioscorine, structure of, 255.Dioxans, 2 : 3-disubstituted, formation of,243.Dicyclopentadienyltitanium dichloride, re-action of, with triethylaluminium,102.Diphenyls, non-planar, configuration of,179.Displacement of groups other than hydro-gen, 154.Diterpene alkaloids, 260.Diterpenes, 221.p-Dolabrin, occurrence of, 237.Dosimetry, 63.Drimenol, structure of, 220.Drosophilin C, structure of, 197.258.258.of, 198.of, 166.of, 10.interconversion of, 52.211.of, 357.as ligand, 144.of, 47.Eburicoic acid, biosynthesis of, 276.Echinomycin, 249.tyans.-Effect in platinum complexes, 122.a-Elaterin, formula of, 227.Electrical double layer, the, 26.Electrical methods of analysis, 362.Electrochemistry, 17.Electron-exchange reactions, 42, 43, 45.Electron resonance, 9.Electrophilic aromatic substitution, 151.Emetine, partial configuration of, 256.Emission spectroscopy, 377.Enniatins, structure of, 285.“ Entrainment,” resolution of a-amino-Enzymes, action of, 306.Eperuic acid, structure of, 221.ErFosterol, biosynthesis of, 276.Eriochrome-black T, uses of, 371.Eschscholtzxanthin, formation of, 202.Esters, /3-keto-, preparation of, 196.Ethane, 1 : 1 : 2 : 2-tetrachloro-1 : 2-di-fluoro-, configuratiqn of, 13.Ethanol, action of X-rays on solutions of,68.oxidation of, by ceric perchlorate, 49.radical from, 11.acids by, 278.hydrolytic, 310.oxidative, 309.Ethyl iodide, liquid, photolysis of, 166.Ethyl radical, configuration of, 177.Ethylene, absorption of, by sulphuricirradiation of aqueous solutions of, 67.tetracyano-, reactions of, 209.Ethylene oxide, acid-catalysed hydrolysispolymerisation of, 59.Ethylene oxides, conformation of, 174.Ethyl-lithium, preparation of, 192.( -) -a-Ethylapopinene, isomerisation of,Ethynylmagnesium bromide, use of, 192.cycZoEucaleno1, structure of, 224.Europium, solution of, in ammonia, 131.Exchange reactions, biological, 307.bicycZoFarnesic acids, 223.Fast-grey RA, uses of, 370.Favorski reaction applied to steroids, 268.Feist’s acid, cis-isomer of, 212.Ferrocene, reduction of, 129.Ferrocenes, 237.Ferrocenyl aliphatic acids, 239.a-Ferrocenylbenzyl alcohol, O-methyl-(f)-Ferruginol, synthesis of, 222.Filixic acid, structure of, 226.Flavopereirine, structure of, 257.Flavothiophen, 229.Fluorbenside, assay of, 381.Fluoride, amperometric titration of, 365.Fluorides, test for and dtmn.of, 366.Fluorine, dtmn. of, in organic compounds,acid, 52.of, 51.217.ation of, 238.378.Hydrogen fluoride as solvent, 118INDEX OF SUBJECTS. 421p-Fluorobenzoic acid, as reference sub-stance in calorimetry, 73.Formamide, dimensions of, 8.Free radicals, stable, 165.Free-radical intermediates, 166.Fulvene, formation of, from benzene, 228.Fulvic acid, structure of, 253.Furans, 241.Galanthamine, structure of, 260.Gallium dichloride, structure of, 102.trichloride, properties of, 103.NN-dimethyl-, configuration of, 13.compound of, with phosphorus oxy-chloride, 103.Gas-phase kinetics, 30.Gas-phase oxidation systems, 41.Geigerin, structure of, 220.Gelatine, irradiation of, 70.General and physical chemistry, 7.Germacrol (now germacrone), structure of,Germacrone, structure of, 219.Germane, preparation of, 107.Germanium, polarographic dtmn.of, 364.Germanium monoxide, non-existence of,Gliotoxin, biosynthesis of, 346.Glucagon, structure of, 282.Glucose, irradiation of solutions of, 70.Glutathione, synthesis of, 291.Glycerophosphatides , beef-liver, 205.Glycols, chromatographic separation of,Glyoxalase, 317.Glyoxaline, 4 : 5-dihydro-5-oxo-, form-Gold, dtmn. of, in sea-water, 383.219.test for, 355.107.368.ation of, 243.Aurate ion, 145.Aurocyanide ion, structure of, 145.-S, amino-acids in, 347.Gramidicin- J, amino-acids in, 347.synthesis of, 288.Graphite, lamellar compounds of, 104.Graphite oxide, 104.Gravimetric analysis, 356.Grignard reagents, chemistry of, 191.structure of, 212.Grisen, dioxo-, 254.Griseofulvin, biosynthesis of, 253.Group-transfer reactions, biological , 307.Guaiazulene, oxidation of, 236.Halides, spectrophotometric dtmn.of, 375.Halogenation, 152.Heat of combustion, 71.Helenalin, 221.Heliopsin, 207.Heptafulvalene, resonance energy of, 75.Heptafulvene, resonance energy of, 75.Hept-2-yne, l-iodo-, reaction of, withneoHerculin, identity of, with a-sanshool ,Heteroauxin, reaction of, with ozone, 247,nickel carbonyl , 200.207.Heterocyclic compounds, 239.Heterogeneous reactions , stereochemistryHeterometric titrations, 371.Hexamethylditin, heat of reaction withcycZoHexane, 1 : 4-dimethyl-, autoxidationbicycZo[3 : 1 : OIHexane-l-carboxylic acid,methyl ester, preparation of, 214.cycZoHexanone, photolysis of, 40.bicycZo[3 : 1 : O]Hexan-2-one, preparationHexaphenylene, preparation of, 233.cycZoHex-2-eno1, oxidation of, 174.Hexitols, etc., fully nitrated derivatives of,Holmium oxide, heat of formation of, 131.monocycZoHomofarnesic acids, cyclisationHomolytic aromatic substitution, 168.Homolytic reactions, 165.Hopanone, hydroxy-, structure of, 225.Hydrazinetetrasulphonic acid, tetra-Hydrazinophthalazines as colorimetricHydrocarbons, halogenated , micro-deter-volatile, dtmn.of, in trade effluents, 353.Hydrogen, micro-determination of, inin organic compounds, 378.Hydrogen-abstraction reactions, 169.Hydrogen-bonded systems, 86.Hydrogen peroxide, reaction of, withHydrogen selenide, dimensions of, 8.Hydrogenase, 328.Hydrogenation, catalytic, 186.Hydrolysis, 50.heats of, 77.Hydrolytic enzymes, 310.Hydroxides, alkali, dtmn. of, 358.o-Hydroxyacetophenone oxime, analytical2-Hydroxydiphenyl, dtmn. of, 377.y-Hydroxyproline, synthesis of, 277.Hyperconjugation, 149.Hypericins, 231.Hypertensins, structure of, 283.Ibogaine, structure of, 259.Ibogamine, structure of, 259.Ice, dielectric relaxation process in, 87.Icthiamine, structure of, 245.Iridazoles, preparation of, 248.Indium, dtmn. of, in rocks and minerals,Indium borohydride, 104.Indium hydrides, 104.Indium iodides, 104.Indium lithium hydride, complex of,with ether, 104.Indole alkaloids, 257.of, 178.bromine and with iodine, 77.of, 47.of, 214.304.of, 224.potassium salt, 109.reagents, 370.mination of, 384.metals, 380.ferrous ion, 48.uses of, 356.synthesis of, 289.383422 INDEX OF SUBJECTS.Indoles, 246.Influenza virus, blood-cell receptor for, 326.Inorganic chemistry, 93.Insulins, structure of, 282.Iodide, coulometric dtmn.of, 362.Iodides, chromatographic separation of,from chlorides and bromides, 366.Iodide ion, positive, 121.Iodine, quadrupole resonance of, 17.Iodine heptafluoride, structure of, 120.Iodine trichloride, iodine resonance in, 17.l-Iodohept-2-yne, reaction of, with nickelIon-exchange membranes, use of, inpseudoIonone, synthesis of, 204./3-Ionone, irradiation of, 217.Iresin, structure of, 220.Iridium strontium oxide, 140.Iron, colorimetric dtmn.of, 370.carbonyl, 200.analysis, 354.dtmn. of, in presence of aluminium andchromium, 360.electrochemical dtmn. of, 362.passivation of, 25.polarimetric dtmn. of, 354.separation of, from magnesium, 382.test for trace amounts of, 355.Iron carbonyls, reactions of, 125.Iron dodecacarbonyl, 125.Ferric iodides, 139.Ferrous bromide hydrates, 139.Ferrous ion, reaction of, with hydrogenperoxide, 48.Isatin blue, formulation of, 247.Isomerases, 315.Isoprene, polymerisation of, 61.Isotopic exchange reactions, 44, 151.Junenol, structure of, 220.Katonic acid, structure of, 226.Kessoglycol, structure of, 221.Kessyl alcohol, structure of, 221.Ketens, photolysis of, 40.Keto-enol reactions, stereochemistry of,175.“ Ketone 104,” structure of, 266.Kinases, 313.Kinetics of chemical change, 30.Kojic acid, biosynthesis of, 349.Lactaroviolin, synthesis of, 236.Lactobacillic acid, structure of, 207.y-Lactones, irradiation of, 70.Lanostan-3-one, 2/3-bromo-, configurationLanthanide nitrides, 130.Lead, absorptiometric dtmn. of, 375.micro-dtmn.of, 371.passivation of, 23.Lead carbonate, basic, a new, 108.Lead dioxide, electrochemically formed,structure of, 24.I-Iexa(hydrogen su1phato)plumbic acid,108.of organic systems, 35.of, 173.Ligand-field theory, 93.Limonin, structure of, 227.Lithium aluminium hydride, use of,Lithium indium hydride, complex of,Lithium tri-tert.-butoxyaluminium hydr-o-Dilithiobenzene, preparation of, 233.Lochnerine, structure of, 259.Loganin, structure of, 216.Lumazine, lactam form of, 249.Limichrome, formation of, 249.Lumisantonin, structure of, 217.Lupinane alkaloids, 255.Lysine-vasopressin, synthesis of, 289.hlaaliane, cleavage of, 220.Maalilol, structure of, 220.Macrolides, 210.Magnamycin, biogenesis of, 351.Magnesium, dtmn.of, by flame photo-in presence of calcium, 359.organic compounds of, 191.(See also Grignard reagents.)separation of, from iron, 382.Magnesium hydride halides, 96.Manganese, oxidations by various oxidesManganese carbonyls, 125.Manganese group, 138.Manganese pentacarbonyl hydride, 125.cis : cis-Matricaria ester, lactonisation of,Matrine and domatrine, stereochemistryMedicagenic acid, structure of, 225.Melionine-B, structure of, 257.Mercury, colorimetric dtmn.of, 374.186.with ether, 104.ide as a reducing agent, 264.biogenesis of, 351.metry, 378.of, 50.198.of, 256.complexes of, 146.complexometric dtmn. of, in presenceof copper, 360.dissolution of, a t very low currentdensities, 23.solubility of, in water, 146.Mercury(II), spot test for, 380.Mercury(I1) cyanide, structure of, 146.Mercury(I1) oxide, structure of, 146.Mercurous chloride, anodically formed,ion, disproportionation of, 145.Mercury, diethyl-, radicals from, 1 1.dimethyl-, bond dissociation energiesstructure of, 23.in, 81.radicals from, 11.Vinylmercury compounds, 194.Metal electrodes, deposits on, 21.Metal ions, oxidations by, 49,Metals, reduction by, 188.Methaemoglobin, acid, g-factor in, 10.Methane, irradiation of, 66.Methanol, radical from, 11.[35S]~~-Methionine, self-irradiation of,70INDEX OF SUBJECTS.423c is-3-MethoxycycZohexanecarboxylic acid,conversion of, into methyl trans-4-acetoxycydohexanecarboxylate, 1 7 3.Methyl trans-4-acetoxycycZohexanecarb-oxylate, formation of, 173.Methyl radical, configuration of, 177.Methylamine, structure of, 9.Methylene radicals, reactions of, withMethylene-blue, effect of X-rays on, 65.2-Methyloxazolidines, formation of, 200.Methylsilane, configuration of, S.a-Methylstyrene epoxide, conversion ~ f ,into acetophenone, 240.Mevaldic acid, preparation of, 204.Mevalonic acid as precursor of isopreneunits, 203.Micro-analysis, 378.Micrococcin P, biosynthesis of, 346.Mikanecic acid, structure of, 212.Molecular rearrangement in steroids, 267.Mollisacacidin, structure of, 253.Mollisin, structure of, 230.Molybdenum, dtmn.of, in titanium, 357.fluorides of, 135.oxalato-complex of, 135.oxides of, 135.paraffins, 40.degradation of, 243.Molybdenum di- and tri-oxide, heat ofBis(cycZopentadienylmo1ybdenum tri-formation of, 74.carbonyl) , 124.Monoterpenes, 2 15.Muramic acid, structure of, 305.Muscarine, structure of, 208, 261.Muscopyridine, synthesis of, 244.Mustard oils, natural, 209.Mutases, 315.Mycins, 210.structure of, 285.Mycolipenic acid, 205.Mycosamine, structure of, 305.Myrtillogenic acid, structure of, 225.Nalgiovensin, structure of, 230.Napellonine, structure of, 260.Naphthalene, negative ion of, spin-densi-ties in, 10.Naphthalynes, 233.Narwedine, structure of, 260.Nepetalic acids, stereochemistry of, 215.Neptunium, physical properties of, 137.Netropsin, structure of, 241.Neuraminic acid, 319.linkage of, to carrier molecules, 328.sources of, 325.structure of, 320.synonyms of, 320.ozonolysis of, 230.Neuraminic acid, N-acetyl-, synthesis andNickel, passivation of, 24.Nickel (11) bisacetylacetone, configurationNickel complexes, 140.degradation of, 323.radio-chemical dtmn.of, 383.of, 141.Nickel cyanide-ammonia-benzene clath-rate, decomposition of, 141.Nickelocene, proton resonance in, 13.Nimbin, structure of, 227.Niobium, separation of, 361.from tantalum, 355.Niobium dibromide, formation of, 133.pentachloride, physical constants of,reactions of, with aliphatic amines,133.133.pentaiodide, formation of, 133.Peroxy-niobium complexes, 133.Nitration, 151.Nitro-aromatic amines, titration of, 364.Nitro-compounds, direct titration of,Nitroethane, spot tests for, 356.Nitrogen, active, afterglow of, 12.heat of dissociation of, 81.micro-determination of, 379.Dinitrogen pentoxide, heat of formationof, 80.Dinitrogen tetroxide, structure of, 109.Dinitrogen trioxide, complex of, withboron trifluoride, 100.Hyponitrites, infrared spectrum of, 110.Nitrate, spot test for, 381.Nitrates, y-ray induced decompositionNitrato-complexes, 123.Nitric acid, oxidation of bromide by,Nitric oxide, decomposition of, byNitrilotrisulphonate ion, hydrolysis of,Nitrites, alkyl, configuration of, 13.Nitrogen dioxide, dimensions of, 8.Nitrosyl metasilicate, decomposition364.of, 68.51.fission fragments, 66.109.of, 107.Nitromethane, spot tests for, 356.Nitrosamines, hindered rotation in, 13.Nitroso-compounds, direct titration of,Nitrosylsonium, formation of, 110.Nobelium, formation of, 138.Norbixin diesters, 202.Nootkatene, 220.Nuclear magnetic resonance, 12.Nuclear quadrupole resonance, 16.Nucleophilic aromatic substitution, 156.substitution at a saturated carbonNudic acid B, identity of, with ‘‘ diatre-Nupharidine, structure of, 261.Nyctanthic acid, structure of, 224.Nylon and related polymers, identific-Occidentalol, structure of, 220.Octaphenylene, preparation of, 233.cycZoOctatetraene, resonance energy o f ,364.atom, 158.tyne 11,” 197.ation of, 367.75.ring contraction of, 236424 INDEX OF SUBJECTS.cycZoOctatetraene dimer, structure of,1 : 3 : 5-cycZoOctatriene, resonance energycycZoOctene, trans-1 : 2-dibromo-, 182.cycZoOctene oxides, solvolysis of, 182.Odyssic acid, 197.Odyssin, 197.Olefin complexes with transition metals,127.Olefins, reactivity of, towards free-radicalattack, 168.spectrophotometric titration of, 364.Ommochromes, 250.(+)-(8?,8S’)Onocerane-8 : 8’-diol, form-Orcein, a-, 8-, and y-amino-, structure of,Organic chemistry, 147.Organic substances, oxidative fission of,Organo-metallic compounds, 191.Orientation freedom in solids, 88.Orotic acid as growth factor, 330./l-OrysteroI, identity of, with cyclo-Osmium, colorimetric dtmn. of, 374.Osmium(v1) oxychloride, OsOC1,.139.Osmium(vzI1) oxyfluoride, OsO,F,, 139.Ostreasterol, structure of, 269.Oxazolidines, 2-methyl-, formation of,Oxetane, bischloromethyl-, reaction of,Oxidation, 189.Oxidative enzymes, 309.Oxides, anodic formation of, 21.Oxycelluloce as cation-exchange medium,366.Oxygen, dissolved, micro-determinationof, 380.dtmn.of, in organic compounds, 379.in titanium and its alloys, 356.evolution of, in anodic processes, 18.on cobalt, 18.micro-determination of, in metals,380.molecular, in oxidation, 189.reactions of, 47.215.of, 75.ation of, 224.251.theoretical, 147.356.artenol, 225.200.with sodium sulphide, 240.biological, 308.Oxygen heterocyclics, complex, 252.Oxygen isotopes, fractionation of, a tOxygen overvoltage, 18.Oxygen radicals, stability of, 165.Oxytocin, synthesis of, 289.Palladium, colorimetric reagent for, 369.Palladium, null-valent, 142.anodes, 19.complexes, 142.difluoride, preparation of, 142.Paper chromatography, 367.n-Paraffins, irradiation of, 67.“ Paramagnetic pulse ” reactions, 44.particle-size, dtmn.of, 382.Penicillin, biosynthesis of, 339.chart of possible metabolic pathwaysPenicillin V, synthesis of, 246.cycZoPentadienylthallium (I), formation of,Pentalenes, 235.bicycloC2 : 1 : OIPentane, preparation of,cycZoPentanone, photolysis of, 40.cycZoPent-4-ene-1 : 3-dione, synthesis of,Peptides, purification of, 278.Perfluorodimethyl peroxide, formation of,Perilla ketone, synthesis of, 241.Perinaphthene, radical from, 11.Perinaphthenyl radical, preparation of,Peroxides, oxidation by, 190.Peroxy-compounds, reactions of, 47.Phalloidin, structure of, 286.Phase transitions in solids, 88.Phenanthridine alkaloids, 260.Phenol, 2 : 4 : 5-trichloro- and 2 : 4 4 -Phenols, 231.of, 344.104.213.213.structural investigation of, 279.synthesis of, 287.119.165.chloro-, separation of, 368.dtmn.of, 377.formation of, from aromatic halides,from aryl halides, 231.193.4-PhenylcycZohexane-1 : l-dicarboxylicacid, decarboxylation of, 175.o-Phenylphenol, detmn. of, 377.Phloionolic acids, structure of, 207.Phosphine, phenyl-, formation of, 229.triphenyl-, deoxygenation of peroxidesPhosphines, tertiary, preparation of,Phosphorus, colorimetric dtmn. of, 374.Phosphorus, as Psc, micro-test for, 380.Phosphorus compounds, multiple bond-ing in, 110.Phosphorus hydride, P,H4, 108.Phosphorus in organic compounds, colori-metric test for, 370.Phosphorus oxychloride, compounds of,with aluminium trichloride, 102.Phosphorus oxyfluoride, P,O,,F,,, form-ation of, 113.Phosphorus pentachloride, ammonolysisof, 113.Phosphorus sulphides, structure of, 113.Hypophosphoric acid, structure ofesters of, 11 1.iso-, esters of, 11 1.Metaphosphates, 11 1.Organophosphorus compounds, test for,and dtmn.of, 376.Phosphine, silyl-, solvolysis of, 107.Phosphites, P-H bond in, 13.Phosphoramidic acid, thermal re-by, 189.193.arrangement of, 112INDEX OF SUBJECTS. 425Phosphorodiamidic acid, hydration of,Polymetaphosphorous acids, esters of,Polyphosphates, 110.Pyrophosphoryl chloride, reaction of,112.111.paper chromatography of, 365.with ammonia, 112.Phosphorylases, 312.Phosphorylating agents, dtmn. of, 376.Photochemical reactions of alicyclic com-pounds, 217." isoPhotosantonic lactone," structure of,217.o-Phthalates, test for, and dtmn.of, 376.Physical methods of analysis, 362.Physoxanthin, structure of, 203.neophytadiene, structure of, 204.Picrotoxin derivatives, 226.Pimelic acid, chromatographic separationof, 368.Piperidine, 4-hydroxy-1 : 2 : 2 : 6 : 6-penta-methyl-Pphenyl-, conformation of,173.Piperidines, 243.Platinum complexes, 143.Platinum hexafluoride, formation of,Plutonium, coulometric dtmn. of, 363.E.D.T.A. complexes of, 137.Plutonium(rrI), reduction to, 137.Plutonium-(In) and -(Iv), nitrates, ex-Plutonium(1v) isopropoxide, 137.Polarography, 364.Polonium, a+ phase transition in, 118.Polonium hydroxide, acidity of, 118.Polybutadiene, preparation of, 61.Polycladin, structure of, 252.Polycyclic compounds, 229.cycZoPolyenes, 234.Polyenoic acids in fish oils, 205.Polyethylene, high-melting, 55.Polyethylidene, structure of, 53.Polyhalide complexes, 120.Polymerisation, 53.142.tractability of, 137.monosulphide, preparation and pro-perties of, 118.structure of, 54.anionic, 59.by X - and y-ray irradiation, 68.cationic, 58.condensation, 58.free-radical, 54.stereospecific, 59.dielectric absorptions of, 89.irradiation of, 69.of, 57.189.Polymers, degradation of, 57.Poly (methyl methacrylate), y-irradiationPoly(methylsi1oxane) as reducing agent,Polymixin B,, amino-acids in, 347.Polynitro-aromatic compounds, titrationstructure of, 285.of, 364.Polypeptide antibiotics, biosynthesis of,Polystictin, structure of, 250.Polystyrene, y-irradiation of, 57.Potassium, dtmn.of, 362.indirect complexometric dtmn. of, 361.Praseodymium oxides, 130.Prednisone acetate, rearrangement of, 269.cycZoPropane, heat of hydrobrominationPropene, heat of hydrobromination of, 77.Propionamide, radical from, 11.Propionate radical, heat of formation of,72.Propionyl peroxide, heat of formation of,72.Propylene glycol, spectrophotometricdtmn. of, 377.Protactinium, 133.Proteins, purification of, 278.Pteridines, 249.Pyrethrosin, structure of, 219.Pyridine, compound of, with silicon tetra-Pyridines, 243.Pyridine alkaloids, 256.Pyridine l-oxides, oxide function in, 244.Pyridinium tetrabromo- and tetrachloro-Pyrimidine ring, biosynthesis of, 329.Pyrophosphorylases, 3 12.Pyrrole, nitration and thiocyanation of,241.Pyrrole trimer, structure of, 241.Pyrroles, 240.Pyrromycins, 230.Pyrylium salts, uses cf, in synthesis, 228.Punicic acid, structure of, 205.Purine ring, biosynthesis of, 332.347.of, 77.stereospecific polymerisation of, 61.structural investigation of, 279.chloride, 106.reactions of, 244.borate, 99.Qualitative analysis, 355.Quinolines and isoquinolines, 248.isoQuinoline alkaloids, 256.Quinones, 230.Quinonoid compounds, direct titration of,364.Radiation chemistry, 63.Radical reactions, 177.Radio-chemical analysis, 381.Radio-frequency spectroscopy, 7.Reactions in solution, 41.Reduction, methods of, 186.Relaxation times, 84.Restricted rotation, classical, 179.isoRetronecano1, structure of, 260.Rhenium(I), non-reduction of, 129.Rhenium carbonyls, 125.chloropentacarbonyl, 125.Rhenium(v) chloride, preparation of, 139.Rhenide ion, Re-, stability of, 138.Hexachlororhenate(Iv), potassium com-plex, 139426 INDEX OF SUBJECTS.Rhodium carbonyls, derivatives of, 126.Rhodium(Ir1) perchlorate, 140.Rhyncophylline, identity of, 258.D-Ribitol 5-phosphate, formation of, 301.a-D-Ribofuranose 1 : 5-diphosphate, syn-Ribmuclease (bovine), structure of, 280.Ribase &phosphate l-pyrophosphate, 332.(f)-Ricinoleic acid, synthesis of, 206.Ring systems, medium and large, con-Rotatory dispersion and configuration,Rotundifolone, structure of, 216.Rubidium, radio-chemical dtmn.of, 383.Ru scogenins, 2 7 2.Ruthenium carbonyl iodides, 125.nitrosyls, 139.tetroxide, reduction of, 139.thesis of, 301.formation of, 181.183.Samarium sulphide, constitution of, 130.a-Sanshool, structure of, and identity withneoherculin, 207.Sapogenins, steroidal, 272.rac.-Sarkomycin, 21 3.Sarpagine, structure of, 258.Sclerotiorin, structure of, 254.Scopoline, synthesis of, 254.Sea-water, dtmn. of gold in, 383.Sebacic acid, chromatographic separationSelenium, reduction of Se(1v) and Se(vr)Selenium dioxide, oxidation by, 191.of, 367, 368.to, 357.sulphate ion, 117.selenious acid, 117.Selenious acid, reaction of, with seleno-Selenosulphate ion, reaction of, withSesquiterpenes, 218.Seven-membered ring heterocyclic com-pounds, 251.Sialic acids, 320.enzymic release of, 327.preparation and sources of, 323.Silicon monoxide, non-existence of, 107.Silicon nitride, structure of, 107.Silicon tetrachloride, compound of, withpyridine, 106.Silane, difluoro-, dimensions of, 8.trimethylchloro-, pyrolysis of, 106.Silanes, aryloxy-, titrimetric dtmn.of,361.Silylphosphine, solvolysis of, 107.Silver, ferrometric dtmn. of, 359.polarimetric dtmn. of, 354.test for, and dtmn. of, 379.Silver acetate-iodine, oxidation by, 191.Silver thiocyanate, structure of, 145.Argentocyanide ion, structure of, 145.Small rings, alicyclic, 212.Sodium, indirect complexometric dtmn.Sodium benzoate, irradiation of, 70.Sodium borohydride, preparaiion andSodium hydroxide, hydrates of, 95.of, 361.uses of, 187.Sodium stannate trihydrate, structure of,Sodium tetramethoxyborate, 98.Sodium triethoxyalurninium hydride,Solasodine, 273.Solutions of organic compounds in strongSpectra, effect of conformation on, 184.Spectroscopy, absorption, 375.108.186.Nitrosylsodium, formation of, 110.acids, 150.electron resonance, 9.micro-wave, 7.nuclear magnetic resonance, 12.nuclear quadrupole resonance, 16.radio-frequency, 7.ultraviolet, 375.Spherophysine, structure of, 208.Spilanthol, identity of, with affinin, 207.PentacycZoSqualene, formation of, 224.As-Stenols, oxidation of, 263.Sterculic acid, structure of, 206.dihydro-, structure of, 206.Stereochemical effects on mesomerism,148.Stereochemistry, 170.Steric factors in cyclisation, 230.Steric hindrance to solvation, 185.Steroid alkaloids, 273.Steroid biogenesis, 275.Steroid 3-ltetones, reduction of, 264.Steroid sapogenins, 272.Steroids, 262.amino-, equatorial, deamination of, 263.A5-, 3/3-flUOrO-, preparation of, 262.general reactions of, 262.molecular rearrangement in, 267.oxo-, dihydroperoxides of, 264.total synthesis of, 274.Sterol side chain, degradation of, 269.trans-Silbene ozonide, heat of combustion,formation, and scission of, 72.Stipitatonic acid, occurrence of, 237.Streptomycin, biosynthesis of, 348.IStructural effects in nucleophilic substi-Subtilin, biosynthesis of, 345.Succinates, test for, and dtmn. of, 376.Sulphonation, 152.Sulphur, dtmn.of, in organic compounds,363.tution, 160.in petroleum products, 361.elementary, test for, 355.liquid, free radicals in, 11.plastic, constituents of, 115.Sulphur tetrafluoride, purification of, 11 7.Sulphur trioxide-water system, 116.Disulphur monoxide, 115.Fluorosulphates, stability of, 11 7.Peroxydisulphuryl difl.;oride, prepar-Persulphate, oxidation of sulphite by,ation of, 117.116.reaction of, with sulphite, 48.Sulphanes, H,S,, 11 7.with thiosulphate, 49INDEX OFSulphate, colorimetric-dtmn. of, 374.dtmn. of, by infrared spectroscopy,Sulphite, oxidation of, by persulphate,375.116.reaction of. with DersulDhate. 48.Sulphur acids, H&O, aAd His,+ 0,,116.117.Sulphuryl fluoride, dimensions of, 8.Thionyl bromide and chloride, dis-Thiosulphate, dtmn. of, 371.Tabernanthine, structure of, 259.Tantalum, separation of, 361.Tantalum pentachloride, physical con-sociation of, 11 7.from niobium, 355.stants of, 133.tetrabromide, preparation of, 133.Technetium(1v) chloride, formation of,139.Tellurium, absorptiometric dtmn. of, 372.Tenulin, 221.Terebic acid, preparation of, 212.Tetrachloroethylene, heat of chlorinationof, 77.Tetracyclines, biosynthesis of, 350.Tetraethylenepentamine, complex-form-ing tendency of, 124.Tetrafluoroethylene, heat of formation of,76.,B-Tetrahydrosantoninic acid, conform-ation of, 173.Tetramethyldiphosphine disulphide, struc-ture of, 111.Tetranitromethane, aqueous, effect ofy-rays upon, 68.Tetraphosphacyclobutane, tetralus(tri-fluoromethyl)-, 11 3.Tetronic acid, ethyl ester, synthesis of,200.Thallium(1) sulphide, oxidation of, 104.cycZoPentadienylthallium ( I ) , formationThermochemistry, 71.Thiazolines, 2-amino- and 2-mercapto-,2 : 2’-Thiazoloin, structure of, 242.,8-2-Thiazolyl-~-alanine, 242.Thioacetamide, hydrolysis of, 50.Thiocarbonyl chloride, structure of, 105.Thioctic acid, synthesis of, 243.Thiolacetic acid, heat of formation of,Thiolutin, biosynthesis of, 346.Thionaphthens, alkyl-, 246.Thiophens, 242.Thiophosphoryl bonds, dissociationThiourea, irradiation of, 70.Thorium, amperometric titration of, 365.Thorium iodides, 132.cycZopseudoTigogenin, oxidation of, 273.Tin, dtmn.of, in titanium alloys, 358.Tin, diethyl- and tri-ethyl-, salts of,of, 104.action of, with diphenylketen, 246.78.energies of, 79.dtmn. of, 372.jUB JECTS . 427Hexamethylditin, heat of reactionof, with bromine and with iodine,77.Organotin compounds, 193.Stannane, preparation of, 107.Stannane, triethyl-, formation of,Stannate, dtmn. of, as stabiliser inStannic chloride, reactions of, withSodium stannate trihydrate, structureTetramethyltin, heat of reaction withVinyltin compounds, 194.Titanium, basic acetate of, 131.sensitive test for, 372.separation of, 361.108.hydrogen peroxide, 364.alcohols, 107.of, 108.bromine, 77.Titanium ( 111) oxychloride, preparation of,131.Titanium(1v) oxysulphate, structure of,131.Dicyclopentadienyltitanium dichloride,reaction of, with triethylaluminium,102.Dititanoxanes, hexa-alkoxy-, 131.Toluene-3 : 4-dithiol, uses of, 370.Tomatidine, 273.Tomatine, 274.Trade effluents, dtmn.of volatile hydro-carbons in, 353.Transaminase, 3 17.Transition elements, 12 1.Trans-uranium elements, 136.Triazines, 245.Tribenzotropone, formation of, 237.Tricyclic compounds, 249.Trifluoroacetic acid as solvent, 105.Trifluoromethyl hypofluorite, decompos-Trimethylsilyl group, displacement of,Triphenyl phosphite, deoxygenation by,Triphenylmethyl cation, salts of, 106.Triphenylmethyls, substituted, stabilityTriphenylphosphine, deoxygenation ofTriterpenes, 221.Trithiocarbonate ion, hydrolysis of, 105.Tropane alkaloids, 254.Tropolones, 237.Tropones, 237.Tropylium (tropenium) salts, 236.Tungsten, dtmn. of trace impurities in,complexes of, 122.ition of, 119.154.189.of, 165.peroxides by, 189.naturally occurring, 224.383.oxides of, 135.Heteropolytungstates, 135.Tylophorine, structure of, 262.Tyrocidin A and B, amino-acids in,Tyrosine, X-ray irradiation of, 70.347428 INDEX OF SUBJECTS.Ulein, structure of, 259.Uranium, colorimetric dtmn. of, 373.Uranium(v~), spectrophotometric dtmn,Uranium alkoxides, 136.dtmn. of, in alloys, 359.of, 375.hydride, 135.polyselenide, 136.Valeric acid, y- and &amino-, synthesis of,Valeroidine, configuration of, 254.Vanadium, colorimetric dtmn. of, 370.Vanadium(v), colorimetric dtmn. of, 370.Vanadium pentafluoride, preparation of,Vanadium(v) ternary arsenides and phos-Variamine-blue as redox indicator, 359,Vinyl bromide, co-poiymerisations of,Vinyl compounds of metals and metalloids,Violacein, structure of, 248.Vitamin A, 200.Vitamins D, 270.Vitexin, structure of, 252.Voacangine, structure of, 259.277.spot test for, 381.dtmn. of, 358.132.phides, 133.tetrachloride, reactions of, 133.369.56.194.Volumetric analysis, 358.Vomalidine, structure of, 258.standards for, 358.Water, dielectric relaxation process in, 87.Wedelolactone, structure of, 254.Willagenin, structure of, 272.Xanthatin, structure of, 219.Xanthinin, structure of, 219.Xanthoperol, structure of, 222.Xylobiose, alkaline degradation of, 298.D-Xylose 3-phosphate, preparation of, 302.Xylotriose, alkaline degradation of, 398.9-Xylylene, formation of, 228.Ytterbium, dissolution of, in ammonia,dtmn. of, 39.131.Zeaxanthin, preparation of, 201.Zeorin, structure of, 225.Zinc, dimethyl-, bond dissociation energiesin, 81.radicals from, 11.Zinc, potentiometric dtmn. of, 362.spectrophotometric dtmn. of, 372.Zinc sulphide, m. p. of, 145.Zirconium, colorimetric dtmn. of, 371.Zirconium tetrachloride, properties of, 132.trichloride, thermal decomposition of,132