|
1. |
Proceedings of the Chemical Society, Vol. 27, No. 383 |
|
Proceedings of the Chemical Society, London,
Volume 27,
Issue 383,
1911,
Page 49-62
Preview
|
PDF (828KB)
|
|
摘要:
PROCEEDINGS OF THE CHEMICAL SOCIETY. Vol. 27. No. 383. Thursday, March Znd, 1911, at 8.30 p.m., Professor HAROLDB. DIXON,M.A., Ph.D., F.R.S., President, in the Chair. Messrs. Frank H. Plews, C. F. Yates, a.nd Thoma Callan were formally admitted Fellows of the Society. Certificates were read for the first time in favour of Measrs.: Alfred Thomas Egginen, B.Sc.,The Hawthorns, Ibstock, Leicester. Arthur Alfred Eldridge, B.Sc., School House, Alpha Road, Surbiton Hill. Edwin Burnhope Hughes, 5, Perham Road, West Eensington, W. Leonard *OwenNewton, St. Elba, Napoleon Road, St. Margaxet’s-on-Thames. Eric Everard Walker, 210, Bedford Hill, Balham, S.W. Henry Hough Watson, Braystones, via Carnforth. William Wood, Katoomba, Eing Edward Avenue, Dartford.A ballot for the election of Honorary and Foreign Members was held, and the following were subsequently declared duly elected : Prof. Dr. Eu-gen Bamberger (Zurich). Prof. Giacomo Ciamician (Bologna). Prof. Dr. Paul Heinrich Ritter von Groth (Munich). 50 Prof. John William Mallet (Virginia). Prof. Dr. Walther Nernst (Berlin). The PRESIDENTannounced that the Royal Academy of Sciences of Turin had given notice of the founding of a Vallauri Prize of 26,000 lire for the most important work in the domain of the physical sciences published during the period January lst, 1915, to December 31st, 1918. The PRESIDENTread the names of the Fellows recommended by the Council for election as Officers and Ordinary Members of Council for the year 1911 to 1912.Of the following papers, those marked * were read: "53. "Studies in the camphane series. Part XXIX, A new phenylhydrazone of camphorquinone." By Martin Onslow Forster and Adolf Zimmerli. The constitution of camphorquinonephenylhydrazone has been the subject of much speculation. Following their investigation of the hydrazones, semicarbazones, and pheny lcarbamylhydrazones of camphor-quinone, each of which was obtained in two interconvertible isomeric ruodifications, the authors have transformed the known camphor-quinonephenylhydrazone into an isomeride, which stands in the same relation to the exiyting derivative as the /I-members of the other pairs do to the respective a-compounds; they regard the isomerism as stereochemical. Camphorqzcinone-P-phen ylhydraxone, C, H,,<boC:N*NH-C,H, pre-9 pared by heating the a-modification, is a bright yellow, crystalline substance, melting at 36'; it dissclves very readily in organic media, including petroleum.The one per cent. solution in alcohol has [a]=375O, which is raised to 397O by heating the liquid during twelve hours at 63O; under the same treatment the rotatory power of the a-phenylhydrazone falls from [a],,431' to 398'. C:N*NH*CS-NH,Camphorquinone-a -thiosemicarbcczone, C,H,,<bO ? melts at 174O, but the P-modification could not be isolated, being transformed too rapidly into camphane-thiotriazine, a bright yellow substance, melting at 207'. Camphwquinonephenyl- 51 C:N*NH*CS*NH*C,H,,prepaled fromthiocarbamylhydraxone, C,H,,< 1co both camphorquinonehydrazones and phenylthiwarbimide, me1ts at 1849 DIscussION.The PRESIDENTasked whether there was any explanation of the great difference observed between the melting points of the a- and &forms of the p hen ylh ydrazone derivatives. Mr. W. ROBERTSONsubmitted that the isolation of a second form of camphorquinonephenylhydrazone of low melting point and high rotatory power was not necessarily at variance with the conclusion drawn from the mutarotation measurements that, in benzene solu- tion, a labile form of practically no optical activity was present. The results could be harmonised by supposing the existence of three isomerides in alcoholic solution, the a-form (m.p. 190O) first undergoing a rapid change into a second form (this being the change examined in the non-ionising purified benzene), the second form then changing relatively slowly into the P-form (m. p. 36O), a conclusion supported by solubility measurements (Trans., 1905, 87, 1299). It was a.lso pointed out, in reply to Dr. Forster, that in Armstrong and Robertson's paper, the colouring material in solution was due C:K*NH *C,Hto the complex : 60 5, and the opinion was expressed that the amount of this form present was small (Zoc. cit., p. 1278). Dr. VELEYexpressed the opinion that the observed differences in the algebraical sum of the factors of chemical change (namely, the values of K+K,) were probably due to the presence of a small quantity of the P-hydrazone in the a-derivative, which accelerated the transformation of the former into the latter compound.The case would be perfectly analogous to the acceleration observed in the transformation of rhombic into monosymmetric sulphur, of cyanic acid into cyamelide, and of the oxidation of oxalic acid by acid permanganate as affected by the presence of manganese sulphate. The explanation thus offered was probably identical with that proposed by Prof. Walker, though stated in a somewhat different form. Dr. LOWRYsupported the view that three isomeric hydrazones of cmphorquinone must now be recognised, the ordinary form of the compound being converted quickly at atmospheric temperatures (to the extent of 10 per cent.) into an isomeride of very low rotatory power, and slowly at a higher temperature (to the extent of about 50 per cent.) into the new isomeride described by Dr.Forster. An analogous case was that of nitrocamphor, which 52 changed quickly (t+o the extent of one-sixth) into the acidic pseuds nitro-compound, but could be forced to undergo a further change of the Beckmann type, giving rise to a third isomeride, namely, camphoryloxime. Although the less stable isomerides could not be isolated, their existence in solution had been demonstrated by precisely the same methods as in the case of such well-known substances as gluconic and galactonic acids, which decomposed into lactone and water as soon as any attempt was made to separate them from their solutions.Prof. GREENremarked that the greater depth of colour of the B-isomeride, as compared with that of the a-isomeride, would be well explained by the ant& and syn-formuk suggested by the authors, since the proximity of the NH group to the CO group in the syn-modification would favour a dynamic keteenolic oscillation. Dr. FORSTER,replying to the President, pointed out that the isomeric benzaldoximes melted at 35O and 128O respectively; more-over, the difference between the melting points of maleic and fumaric acids is 156O, greater therefore than that which separates the phenylhydrazones of camphorquinone. The necessity of now recognising three isomerides, claimed by Mr. Robertson and Dr. Lowry, was not accepted by the authors, who regarded Mr.Robertson’s solubility experiments as capable of explanation by the new facts brought to light. Without denying that future investigation might reveal a third isomeride, it was difficult to recognise any justification for stating that it would be optically inactive. Dr. Forster agreed with Mr. Robertson’s second point, namely, that in the latter’s paper with Professor Armstrong, c?, material owing its colour to the complex C:N*NH*C,H, was stated to be present in very small proportion, but reminded Mr. Robertson that the evidence furnished for its existence was limited to the bare statement of its occurrence ;moreover, the yellow substance was entirely ignored in the later parts of their paper, which dealt only with the hypothetical, colourless (‘metameride having little, if any, optical activity.” *54.6c Fluorone derivatives.” By Frank Qeorge Pope and Hubert Howard. Phosphorus pentachloride converts 3-hydroxy-9-phenylfluorone into 3 : 6-ddchloro-9-~henylxan~~o~d~chlom’de, an extremely re-active compound, which condenses readily with amines to produce compounds of the rosamine type, with potassium cyanide and with sodium ethoxide to form cyanoxanthen and xanthyl ethers respec- tively. Reasons were given for preferring a paraquinonoiid 58 configuration for the fluorones ;phelzylfEzlorona and phenylnaphtha-@orone were also described. DIscusSION. Prof. GREENsaid that the fluoran dyestuffs seemed to occupy an intermediate position between the orthequinonoid and the par& quinonoid dyestuffs, and from many facts he was disposed to believe that they were usually in a state of oscillation between the two forms, or that they readily changed from one form to the other.In certain cases, as had been shown for quinolphthalein by Green and King, an ortho-quinonoid structure must be assumed. *55. ‘‘The constituents of Withania somnifera.” By Frederick Belding Power and Arthur Henry Salway. The material employed for this investigation represented the entire plant of Withank somnifera, Dunal “at. Ord. Solanaceae), and was obtained directly from South Africa. Both the roots and the overground portion of the plant responded to the tests for an alkaloid, and they were separately examined.The investigation has shown that a number of substances present in the root are likewise contained in the leaves and stems of the plant. These substances, besides small amounts of an essential oil and a sugar yielding d-phenylglucosazone, were as follows : hentriacontane, C31Hgq;a phytosterol, C27H460;palmitic, stearic, cerotic, oleic, and linolic acids; and ipuranol, C23H3,02(OH)2. From the root there were obtained, furthermore, a new mono-hydric alcohol, withaniol, C,,H,O,*OH, decomposing at 305O, and having [a], +91*2O, and an amorphous alkaloidal principle, which, on treatment with alkali hydroxides, yielded a crystalline base, CI2Hl6N2(m. p. 116O). The leaves and stems yielded the following new compounds : a monohydric alcohol, somnirol, C,2H4,06-OH, decomposing at 205O, and having [a],, +34.8O; a dihydric alcohol, somlnitol, C33H,,0,(OH)2, decomposing at about 250°, and having [a], +21*2O; and an acidic, hydrolytic product, withanic acid, CBH4,0,*C0,H (m.p. 226O), the methyl ester of which decomposed at 255O. Withartia somnif era, unlike some other solanaceous plants, contains no mydriatic alkaloid, and physiological tests, conducted on a dog, failed to confirm the sedative or hypnotic properties attributed to it. 54 “56. ‘‘ The carbohydrate constituents of Pha rubber : separation of I-methylinositol.” (Preliminary note.) By Samuel Shrowder Pickles and Bernard Wyndham Whitfeild. During the examination of various specimens of smoked plantation rubber from the Malay Peninsula, the presence of a crystalline, sugar-like substance, melting at 191-19Zo, was detected in all cases.The amount of this constituent present in the different specimens varied considerably, being in some cases as high as 2.5 per cent. On analysis it gave the following results: (1) 0.1674 gave 0.2648 COz and 0.1035 H,O. C=43*1; H=6.9. (2) 0.2150 ,, 0.3385 CO, ,, 0’1350 H,O. C=42*9; H=7*0. 0.2225 ,, 0.2615 AgI. OMe=15.5. CGH,,O,*OMe requires C = 43.3 ; H = 7.2 ; OMe= 15.96 per cent. This substance is lzevorotatory; a 10 per cent. aqueous solution gave a-8O, whence [a],,-8OO. It does not reduce Fehling’s solu- tion, and is scarcely affected by prolonged boiling with moderately concentrated sulphuric or hydrochloric acids.Hydriodic acid decomposes it with the formation of methyl iodide and I-inositol (m. p. 237O). The compound is thus I-methylinositol, and is identical with that isolated from quebracho bark by Tanret (Compt. rend., 1889, 109, 908), and designated quebrachite. Its presence has also been pre- viously observed in the aqueous portion of the latex of Hevea brasiliensis which remains after the coagulation of the rubber, by de Jong (Rec. trau. chirn., 1906, 25, 48). The authors have also confirmed this observation by the examination of specimens of the latex of Heuea brasiliensis from the Botanic Gardens at Singapore, and have found that this substance (I-methylinmitol) constitutes the greater portion of the carbe hydrate constituents of the latex.They also find that the occur-rence of E-methylinositol (quebrachitol) is quite general in rubbers from Heuea brasiliensis, and have isolated it, not only from those of Asiatic origin, but also from “fine hard Piira” rubber from South America. DISCUSSION. Dr. PICKLESstated, in reply to questions, that, although probably the Z-methylinositol in the latex was not directly connected with the formation of rubber, its presence was worthy of note, and there was the possibility that under the influence of enzymes it might be converted into products which could be utilised by the plant for the construction of the rubber hydrocarbon. 55 57. ‘‘ Potassium cnpricarbonates.” By S. U. Pickering.Previous work on other cupri-compounds indicate the possibility of there being eight, or even more, compounds of potassium carbonate with copper carbonate ; nine have been isolated. Potassicwupric carbonate exists in a hydrated and anhydrous con-dition, the latter, however, not being the compound of the same empirical formula isolated by Reynolds (Trans., 1898, 73, 263). The 8-cupricarbonate, (CO3),K,CuIV,H20, forms a gelatinous pre- cipitate; and a compound which appears to be derived from it by abstraction of the elements of water (indirectly) has been obtained. The other five compounds, which are all crystalline, are a-cupri-carbonates (that is, containing the CuIVCO3 group), with the formulE : [(C0~)~K~CU~1V,CU2(C03)~~ [(c03)4E4~u2m~cuK2(c03)2]~ and [(C0,),K,Cu~V,Cu2K2(C03)3],with two other members derived from the last by the substitution of Cu for E2.Three of these substances have the empirical formula CUE~(CO,)~, but are well distinguished from each other by their physical and chemical properties, and by their heats of formation. Several other organic acids apparently form cupri-compounds analogous to the cupricarbonates. 58. Synthesis of dipeptides of a-aminolauric acid with glycine, alanine, valine, lencine, and asparagine.” By Arthur Hopwood and Charles Weizmann. In view of the possible presence of peptides of a-aminolauric acid with amino-acids in the proteins occurring in certain plants, the authors have prepared the following derivatives : a-Bromolauryl chloride, C,,HnBr*COC1, is obtained by heating a-bromolauric acid with phosphorus pentachloride.It is a colourless liquid, boiling at 150°/10 mm. a-BromoZauryZgEycine, C,lH22Br*CO*NH*CH2*C0,R, preparedis by the interaction of a-bromolauryl chloride and glycine in presence of sodium hydroxide. It forms colourless, rhombic plates, melting at 117.0° to 118*5O, which are only sparingly soluble in water, but readily so in alcohol, ether, benzene, toluene, or alkalis. a-Ami.noZa~ryZglycine,NH,-Cl,H22-CO*NH-CH,~C02H,is formed by heating a-bromolaurylglycine with concentrated aqueous ammonia. It crystallises in prismatic needles, which sinter at 207O, and melt and decompose at 214*0-214*5°. It is nearly insoluble in water, sparingly soluble in alcohol, but readily so in alkalis or acids. Like the proteins, it yields a white, amorphous precipitate with phosphotungst,ic acid, and is hydrolysed by enzymes.56 Somewhat similar bromo-compounds are obtained by the con-densation of a-bromolauryl chloride with alanine, valine, leucine, and asparagine, and these, on treatment with ammonia, yield the corresponding dipeptides. 59. ‘‘ The occlusion of hydrogen by the pallsdium-gold alloys.” By Arthur John Berry, Determinations have been made of the quantities of hydrogen occluded by the palladium-gold alloys when charged electrolytically with hydrogen. With alloys in which the concent’ration of palladium exceeded about 25 per cent., the occluding power was found to be a simple function of the concentrat’ion of that metal.Alloys more dilute in respect to palladium do not possess the property of occluding any hydrogen. 60. ‘‘ Synthesis of dl-3 :4-dihydroxyphenylalanine.” By Casimir Funk. With the view of testing whether any relationship exists between tyrosine and adrenaline, a catechol derivative corresponding with tyrosine was prepared. The synthesis of this dl-3: 4-dihydroxy-phenylalamine was carried out according to the method originally suggested by Erlenmeyer. The cyclic carbonic ester of catechol-aldehyde was condensed with hippuric acid, and the result,ing azlactone saponified with sodium hydroxide ; the substituted cinnamic acid which was formed was reduced with sodium amalgam, and the benzoyl group eliminated by boiling with hydrochloric acid.The amino-acid obtained gave all the ordinary chemical reactions of adrenaline. Experiments are now being conducted with the view of ascertaining the nature of the changes which this substance undergoes in the animal body. 61. ‘‘The interaction of chlorine and carbon monoxide.” (Pre-liminary note.) By David Leonard Chapman and Frank Houghton Gee. It has been shown that the photochemical interaction of carbon monoxide and chlorine is inhibited by the same substances a8 those which prevent or retard the action between chlorine and hydragen in light. Nitrosyl chloride almost prevents the union of carbon monoxide and chlorine when the mixed gases are exposed to a very intense light, and since it is not decomposed its action continues for an indefinite period.57 Experiments have also been performed at higher temperatures ; the gases combine slowly at 350°, and it is significant that light has no-or, at most, an inappreciable-influence on the rate of combination at this temperature. The inhibitors which have 5eeii tried, namely, nitrosyl chloride and oxygen, are also without effect on the pyrogenic union of the gases. The experiments are being continued over a wider range of temperature. 62, “Experiments on the synthesis of the terpenes. Part XVI. Resolution of dZ-l-methyl-A3-cycZohexene-3-carboxylicacid. Synthesis of the d-and I-modification of ha-m-menthenol(8) and A3:s(g)-m-menthadiene.”By Bernard Dunstan Wilkinson Luff and William Henry Perkin, jun.The authors have succeeded in resolving dl-l-methyl-A%ycZo- hexene-Bcarboxylic acid : by the use of brucine and Lmenthylamine, whereby the synthesis of the d-and I-modification of A3-m-menthenol(8) and A3:8(g)-m-men- thadiene has been made possible. 63. “Experiments on the synthesie of the terpenes. Part XVI. d-A3-p-menthenol(8)and d-A3:8(‘9)-~menthadiene.’’By Tsan Quo Chou and William Henry Perkin, jun. The preparation of d-l-methyl-A3-cycZohexene-4-carboxylicacid, from d-1-methylcyclohexan-3-onewasdescribed. It has [a], +150’1*, and yields the d-modification of A3-p-menthenoZ(8) and A3 :*(Q)-p-men-thadiene when its ester is treated with magnesium methyl iodide and subsequently with dehydrating agents. 64.(‘Some derivatives of 0-veratraldehyde.” (Preliminary note.) By William Henry Perkin, jun., Walter Morrell Roberts, and Robert Robinson. o-Veratraldehyde, (MeO>,C,H,*CHO[MeO : MeO : CEEO =1 : 2 : 31 is a substance of importance in connexion with the synthesis of alkaloids, and particularly of berberine. The authors have there- fore prepared some of its more interesting derivatives. o-Veratm’c acid, C,H,(OMe),*COZH, is obtained on oxidation of the aldehyde in acetone solution with potassium permanganate. It is moderately readily soluble in hot water, and crystallisea in needles, melting at 122O. Its methyl ester melts at 47O, and ha6 also been prepared by Fritsch (Annalen, 1898, 301,356) by the methylation of guaiacolcarboxylic acid. I : 3-Diketo-2-o-veratryylide?.Lehydrindene, is prepared by heating together the aldehyde and diketohydrindene.It crystallises from alcohol in bright yellow needles, melting at 160O. 5 : 6-Dimethoxy-2-~ueratryZidene-l-hydrindone, C,H,(0Me)2*CH:C<Co->C,H2(OMe)2.C"2 is obtained when a solution of equimolecular proportions of o-veratraldehyde and 5 : 6-dimethoxy-1-hydrindonein ethyl alcohol is treated with two or three drops of concentrated potassium hydroxide. The substance crystallises from alcohol in pale yellow needles, melting at 186O. When it is dissolved in sulphuric acid, an orange-coloured solution is obtained, which contains the anhydr+ sulphate of a pyranol base produced with loss of methyl alcohol. 2 : 3-Dimethoxycinnam~cA &, C,H,(OMe),*CH:CH*CO,H.-This substance is best prepared by hydrolysis of the corresponding ethyl ester obtained by the condensation of o-veratraldehyde with ethyl acetate by means of sodium.The acid separates from ethyl acetate in long, colourless needles, and melts at 180O. It shows the usual properties of a cinnamic acid, and is readily reduced by sodium amalgam, yielding 2: 3-d& methoxy-/3-phenylpro9onic acid, C6H3( MeO),*CHz*CHz*CO,H, which crystallises from a mixture of benzene and light petroleum in prisms, melting at 69O. 4 : 5-Dimethoxy-l-hydrindone,C6H2(~Me),<CH2>CH2, is pro-co-duced in good yield when dimethoxyphenylpropionic acid is treated with phosphoric oxide in boiling benzene solution.It crystallises from ether or light petroleum in small, pale yellow plates, melting at 82O. 4 : 5-Dimethox~-2~anisylide?.Le-l-hydm'rrdoll.e, CO-C, H2(OMC~),<~,2>C:(IH-C,H,* OMe, prepared by heating equimolecular proportions of anisaldehyde and 4 : 5-dimethoxy-1-hydrindonewith potassium hydroxide in warm dcoholic solution, crystallises from acetic acid or ethyl alcohol in long, feathery needles, melting at 153-154O. 2-isoflitroso-4 : 5-dimethoxy-1-hydrindone, c~H,(o~~),<~~~c:N.oH,2 is prepared by the action of amyl nitrite and a few drops of hydro- chloric acid at, 50° on the hydrindone dissolved in ethyl alcohol. It forms pale yellow needles, which melt and decompose at 244O, and is soluble in alkalis. On oxidation with potassium per-manganate in alkaline solution, a good yield of hemipinic acid is obtained.65. iso0xyberberine.” (Preliminary note.) By Norman Bland, William Henry Perkin, jun., and Robert Robinson. When oxyberberine is heated in an autoclave at 130° for five hours with dilute hydrochloric acid, it, is converted into an isomeride to which the name isooqberberine is given. The new substance is probably produced in accordance with the following scheme, which represents isooxyberberine as a derivative of isocarbostyril : 0--C H CH I 1 OMe isooxyberberine is much less soluble in glacial acetic acid than is oxyberberine, and crystallises from this solvent in pale, greyish- yellow microscopic needles, melting at 245O. It gives a red azo-colouring matter when treated with alkali Cnd diazotised sulphanilic acid, and a purplish-red colour with aqueous ferric chloride.It does not appear to have basic properties. A cetylisooxyberbehne, C,,H,,O,N(CO-CH,), is prepared by boiling isooxyberberine with acetic anhydride and sodium acetate. It crystallises from acetic acid in needles, and melts at 261O. Kitrosoisooqberb erine, NO -C20H,60,N, is prepared by shaking isooxyberberine with a solution of amyl nitrite in glacial acetic acid for five hours in the cold. The compound is very sparingly soluble in most organic solvents, but can be recrystallised from hot pyridine, and occurs in highly characteristic, golden-brown, microscopic needles, melting at 263-265O. These and other derivatives of this substance are in process of detailed investigation.66. “The application of viscometry to the measurement of rate of reaction.” By Albert Ernest Dunstan and Albert George M ussell. The authors have measured the viscosity of a variety of com-pounds undergoing chemical changes. They find that, in general, 60 the viscosity changes with the lapse of time, in such a way that the total viscosity change is proportional to the amount of substance transformed. They consider that a useful method for the measure- ment of the velocity of reaction may be based on this observation. Accordingly, experiments have been made in which the rates of the following transmutations are measured : Freshly distilled acetoacetic ester -+ equilibrium mixture ; aniline and ammonium thiocyanate -+ phenylthiocarbamide ; ammonium cyanate -+ carbamide ; ammonium thiocyanate -+ thiocarbamide ; acetic anhydride and water -+ acetic acid ;benzoyl chloride and water -+ benzoic acid.67. “The action of hydrogen sulphide on the alkyloxides of the metals. Part I. Sodium and potassium ethoxides.” By Alexander Rule. The author has undertaken this investigation in the hope of preparing the sulphides of aluminium, chromium, and ferric iron by precipitation from alcoholic solution. These sulphides cannot be prepared from aqueous solutions, owing to hydrolysis, and when obtained in the dry way they are always impure. As no record of the action of hydrogen sulphide on the alkyloxides of sodium or potmsium could be discovered, this action wits first investigated, and found to result in the formation of the pure anhydrous hydrosulphides of these metals, the compounds being precipitated from alcoholic solution on the addition of ether or benzene.The reaction provides a very simple and rapid method for the preparation of the anhydrous hydrosulphides, and the yields are practically quantitative. The behaviour of hydrogen sulphide towards the solid ethoxidw of sodium and potassium was also investigated. Reaction was found to take place at the ordinary temperature, and resulted in the formation of the hydrosulphides of the metals and evolution of alcohol. 68. Simple method of decomposing refractory tin ores.” By Herbert Yabsley Loram.The mineral (2 grams, or more if desired), crushed to a sixty-hole powder, is fused for about an hour in a covered silver crucible at a temperature well below its melting point, with about 61 six or seven times its weight of potassium hydroxide, to which is added potassium cyanide equal to the weight of tin ore taken. The mass, on cooling, is extracted with water, when the whole will dissolve in dilute hydrochloric acid, and after boiling to destroy any cyanide still remaining, the tin can be estimated by any of the usual methods. ADDITIONS TO THE LIBRARY. Carre, P. Hydrocarbures, alcools et &hers de la sdrie grasse. pp. 410. Paris 1911. (Red 15/2/11.) From the Publishers : M. 0. Doin et Fils. Harden, Arthur.Alcoholic fermentation. pp. ix + 128. London 1911. (Recd. 21/2/11.) From the Author. Hilditch, Thonzarr Percy. A concise history of chemistry. pp. ix+ 263. London 1911. (Recd. 1/3/11,) From the Publishers : Messrs. Methuen & Co. Senter, George. Outlines of physical chemistry. 2nd edition. pp. xvii+ 387. ill. London 1911. (Recd. 1/3/11.) From the Publishers : Messrs. Methuen & Go. 11. By Purchase. Castell-Evans, John. Physico-chemical tables. Vol. 11. Physical and analytical chemistry. pp. xiv+549 to 1235. London 1911. (Recd. 23/2/11,) Seeligmann, Tranx, and Zieke, Emil. Handbuch der Lack- und Firnis-Industrie. pp. xvi +953. ill. Berlin 1910. (Recd. 22/2/11.) ANNUAL GENERAL MEETING. The Annual General Meeting will be held on Thursday, March 23rd, 1911, at 5 p.m., when the President will deliver his address, entitled, On the Initiation and Propagation of Explosions.” 62 ERRATA.1911. P. 46, alter title of paper No. 52 to : ‘‘The optical properties of compounds containing an asymmetric‘quaternary’ carbon atom. Part I. The synthesis of B-phenyl-8-methyl-valeric acid and of ns-methylethylsuccinic acid. ” P. 46, line 13 from below, rend “Compounds containing an asyiiimetric‘quaternary’ carbon atom might be.” At the next Ordinary Scientific Meeting on Thursday, March 16th, 1911, at 8.30 p.m., the following papers will be communicated : “ Apparatus for the maintenance of constant pressures above and below the atmospheric pressure : application to fractional distil- lation.” By J. Wade. “Influence of water on the boiling point of ethyl alcohol at pressures above and below the atmospheric pressure.” By J. Wade and R. W. Merriman. “ The interaction of aromatic disulphides with sulphuric acid.” By W. G. Prescott and S. Smiles. ‘‘ The absorption spectra of permanganates in certain solvents.” By T. R. Merton. “The action of carbon dioxide in the bleaching process.” By S. H. Higgins. R. CLAY AND SONS, LTD., BILEAD ST. HILL, E.C., AND BUNOAY, SUFFOLK.
ISSN:0369-8718
DOI:10.1039/PL9112700049
出版商:RSC
年代:1911
数据来源: RSC
|
|