INDEX TO VOL. V I INDEX TO VOL. V I Authors of Articles Albert A. the pteridines 197 Bayliss N. S. the free-electron approxi- mation for conjugated compounds 319 Bevington J. C. the polymerisation of aldehydes 141 Bircumshaw L. L. and Riddiford A. C. transport control in hetero- geneous reactions 157 Brown R. D. molecular orbitals and organic reactions 63 Burton H. and Praill P. F. G. re- actions of organic cations 302 Cowdrey W. A. and Davies D. S. Sendmeyer and related reactions 358 Crombie L. geometric isomerism about carbon-carbon double bonds 101 Evans M. G. Hush N. S. and Uri N. the energetics of reactions involving hydrogen peroxide its radicals and its ions 186 Hughes E. D. and Ingold C. K. aromatic rearrangements 34 Jacobs P. W. M. and Tompkins F. C. ionic conductance in solid salts 238 Khorana H.G. structural investiga- tion of peptides and proteins 340 Page J. E. polarography of organic compounds 262 Sheppard N. and Simpson D. M. the bfra-red. and Raman spectra of hydrocarbons. Part I. Acetylenes and olefhs 1 Weedon B. C. L. anodic synthesis with carboxylic acids 380 Absorption spectra visible of isomers 113 Acetaldehyde high polymers of 149 Acetoxylation anodic 393 Acetylenes addition of reagents to 128 infra-red and Raman spectra of 1 Acetylium ion 305 310 311 314 Acids aromatic Kolbe reaction with 387 branched-chain electrolysis of 384 carboxylic anodic syntheses with 380 polarography of 289 dibasic electrolysis of 383 fatty straight-chain electrolysis of 382 substituted Kolbe reaction with 388 unsaturated Kolbe reaction with 386 Activation energies calculation of 247 Acylisation 309 Additions stereospecific to isomers 124 Aldehydes polymerisation of 141 reduction of 285 unsaturated polymers of 155 INDEX 1952 I 40 1 Alkoxylation anodic 393 Alkylation anodic 393 Amino-acids analysis of 341 D-Amino-acids in naturally-occurring pep- Amino-groups free identification of 343 Amperometric titration 274 Analysis polarographic 272 Anilines alkyl- rearrangements of 43 Anodic reactions theories of 394 syntheses with carboxylic acids 380 Aromatic rearrangements 34 tides 356 electrophilic 35 intramolecular 48 nucleophilic 45 substitution reactions 78 Azulene 80 Bart reaction 363 Benzene derivatives 83 amino-groups 344 Benzidine rearrangement 53 Benzoylium ion 305 310 314 Benzyl cation 317 Bond orders 93 Butaldehyde high polymers of 152 Carbon-carboii double bonds geometrical fluoro-2:4-dinitro- for identification of free-electron orbitals for 330 isomerism about 101 Carbonium ion 302 308 310 312 313 Carboxyl groups identification of 346 Catalysts for equilibration of geometrical Cationisation 3 0 9 Charge densities 92 Chromatography of pteridines 199 Chrysopterin 231 Citrovorum factor 234 CoIour centres in ionic crystals 282 Compounds conjugated free-electron approximation for 31 9 Condensation of geometrical isomers 135 Configuration geometrical 109 Copper in Sandmeyer reaction 370 Crystals ionic vacancies in 250 Crystallography X-ray of isomers 112 Cyanines 326 Cyclisation intramolecular 122 318 isomers 139 mechanism of action of 370 partition of amino-acids and peptides 349 Dialdehydes polymerisation of 154 402 INDEX Diazoamino-compounds rearrangements Diazo-compounds addition of 91 Diazonium compounds catalysed decom- group replacement reactions with 358 of 39 posit.ion of 378 379 Diels-Alder reaction 86 Diphenylene 79 Dipole moments of geometrical isomers Dipteridylmethines 223 Dipyridyl-violet 335 Doebner reaction 135 Electrodes micro- platinum 270 Electron in a box 320 Elimination from geometrical isomers 130 Enantiomorphs resolvability of isomers Enzymes inhibition of by pteridines 237 118 into 122 of 355 proteolytic classification and specificity Erythropterin 231 Ethers benzyl fission of 317 Fluid flow dynamics of 165 Folinic acid SF 234 Formaldehyde polymers 144 depolymerisation of 148 Free-electron theory 322 333 Friedel-Crafts reaction 314 Fulvalene 80 Glutsthione structure of 348 Glyoxal and its methyl analogue poly- Gramicidin-S structure of 350 Growth inhibition and promotion 235,236 Half-esters Kolbe reaction with 383 384 Halogen organic compounds polaro- graphy of 291 Halogeno-amines rearrangements of 35 Heptalene 80 Heterocylic systems 81 Hydrocarbons alternant 78 Hydrogen peroxide energetics of reactions involving 186 Hydroxylamines rearrangements of 46 Ichthyopterin 231 Infra-red spectra acetylene and its sub- allenes 33 ethylene and its substituted deriva- tives 17 hydrocarbons 1 isomers 116 pteridines 211 Insulin structure of 350 Ionic conductance in solid salts 238 Isolated molecule approximation 74 merisation of 154 unsaturated reduction of 282 stituted derivatives 8 Isomers geometrical nomenclature of 109 preparation of 127 properties of 110 stability of 104 carbon double bonds 101 Isomerism geometric about carbon- cis-trans-Isomerism 91 Ketens polymerisation of 155 Ketones polymers of 154 Kolbe reaction 380 394 Lactobacillus cmei fermentation factor 232 Leucopterin 231 Leucovorin 234 Localisability effect 76 Localisation energies 94 Mass-transfer dimensional analysis of 17 1 Meerwein reaction 365 377 Metals oxidation of 258 Molecular rearrangements 3 13 Molecules polyatomic vibration fre- Naphthalene states of 333 Nernst theory 158 Nitracidium ion 307 Nitramines rearrangements of 48 Nitro-compounds polarography of 294 Nitronium ion 307 Nitrosamines rearrangements of 42 Olefins infra-red and Raman spectra of 1 Orbitals free-electron 328 Organic cations reactions of 302 Organo-metallic compounds polarography Osmium tetroxide oxidation by 89 Oxidation-reduction polarography of 2 7 7 Oxygen ions heat and free energy of Ozone reactions of involving ions and Ozonolysis 90 Pentalene 80 Peptides degradation of 351 reduction of 287 theory 76 quantitative treatment of 167 quencies of 6 molecular and organic reactions 63 compounds polarography of 262 of 300 potentials 195 formation of 195 radicals 195 hydrolysis of 347 structure of 340 Per-acids oxidation with 91 Perkin reaction 135 Peroxides organic reduction of 285 Perturbability effect 76 Phenazine 1-hydroxy- polarograms for Polarisation anomalous dielectric 262 Polarograph 263 278 INDEX 403 Polarographic currents 265 Polarography 262 Polyenes 325 Polymerisation ionic 315 Polymethines 326 Polyoxymethylene polymers 149 Prandtl power 175 Proteins hydrolysis of 347 structure of 340 Pteridines 197 amino- reactions of 202 215 chloro- reactions of 221 growth effects of 234 hydroxy- reactions of 203,218 $-hydroxy- metal complexes with 205 mercapto- reactions of 220 methoxy- reactions of 219 naturally occurring 231 reactions of 211-215 synonyms for 233 synthesis of 223 mechanism of 153 Pteroic acid 232 Pterorhodin 231 Purity criteria 198 Pyridine 81 Quinol-benzoquinone polarograms 277 Quinoline 82 Raman spectra acetylene and its sub- allenes 33 ethylene and its substituted deriva- tives 17 hydrocarbons 1 isomers 116 stituted derivatives 8 Reactions chemically-controlled 176 heterogeneous classification of 175 intermediate 177 of organic cations 302 organic and molecular orbitals 63 reductive 369 transport control in 157 Reactivity changes in due t o structural Bearrangements of geometrical isomers Replacements at a trigonal carbon atom Rhizopterin 231 Ring systems with double bonds scission of 135 changes 92 136 137 Salts solid ionic conductance in 238 Sandmeyer reaction 358 Solids ionic photolysis of 256 reactions between 260 thermal decomposition of 257 Solvents for polarography 268 Spectra pteridines 206 Stereomutation 139 of geometrical isomers 106 Stirring coefficient 160 Sulphamic acids rearrangements of 51 Temperature coefficient of reactions 163 '' Teropterin ' I 231 Thiele reaction 316 Thyroxine polarogram for 293 Tyrosine 3 5-di-iodo- polarogram for conductance and 240 293 Ultra-violet spectra isomers 113 Urothion 231 pteridines 206 VaIency free 94 Vibration frequencies of polyatomic mole- cules 6 Wiirster's blue 336 Xanthopterin 198 231