Journal of the Chemical SocietyThe Society., 1955 |
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Results 1-3 of 74
Page 1065
... Acidification ( 5.0 ml . of 2N - hydro- chloric acid ) , removal of benzoic acid by filtration , and addition of sodium ... acidified with N - hydrochloric acid ( 2.5 ml . ) . After removal of the benzoic acid by ether- extraction , the ...
... Acidification ( 5.0 ml . of 2N - hydro- chloric acid ) , removal of benzoic acid by filtration , and addition of sodium ... acidified with N - hydrochloric acid ( 2.5 ml . ) . After removal of the benzoic acid by ether- extraction , the ...
Page 1070
... acidified . Isolation gave a mixture of acids containing 47.5 % of conjugated diene . [ A second run in which the mixed glycerides were hydrolysed at 180 ° for 6 hr . gave crude acids containing 54 % of conjugated diene ( light ...
... acidified . Isolation gave a mixture of acids containing 47.5 % of conjugated diene . [ A second run in which the mixed glycerides were hydrolysed at 180 ° for 6 hr . gave crude acids containing 54 % of conjugated diene ( light ...
Page 1099
... acidified with glacial acetic acid , and evaporated . The residue was extracted with benzene ( 500 c.c. ) , and the solution was washed thoroughly with 2N- potassium hydroxide . On acidification of the alkaline extract myristic acid ( 0 ...
... acidified with glacial acetic acid , and evaporated . The residue was extracted with benzene ( 500 c.c. ) , and the solution was washed thoroughly with 2N- potassium hydroxide . On acidification of the alkaline extract myristic acid ( 0 ...
Contents
By F SMITH and LILIAN M TURTON | 1045 |
The Constitution of Homolycorine and Lycorenine | 1066 |
The Photolysis of Acetaldehyde Part III The Reaction in the Presence of Nitric | 1076 |
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acetic anhydride acetone acetyl acidified added alcohol alkali Amer ammonia aqueous sodium aqueous solution atom benzene boiling bromine Calc carbon Chem chloride chloroform chromatography colourless compound concentrated cooled crystallised from methanol decomp derivative dilute dimethyl dioxan dissolved distillation dried eluted ester ethanol evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give glacial acetic acid H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed method methyl mixed m. p. mixture molecule naphthazarin nitric oxide nitrogen obtained oxide pale yellow picrylsulphonate potassium hydroxide precipitate prepared prisms pyridine reaction reduced pressure refluxed removed Reprint Order requires residue ring room temperature salt separated sodium hydroxide solid soluble solvent steam-bath stirred structure sulphide sulphone sulphuric acid titration values vouacapenate washed yellow needles yield