Quarterly Journal of the Chemical Society of London |
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Page 2217
... precipitate ) . After cooling , the precipitate was collected , dried ( 2-4 g . ) , recrystallised from 80 % formic acid , and basified with 2N - sodium carbonate . Crystallisation of the product from glacial acetic acid yielded 8 ...
... precipitate ) . After cooling , the precipitate was collected , dried ( 2-4 g . ) , recrystallised from 80 % formic acid , and basified with 2N - sodium carbonate . Crystallisation of the product from glacial acetic acid yielded 8 ...
Page 2243
... precipitate crystallised from aqueous acetic acid in lemon - yellow needles of 2 : 3 - dimethyl - 1 : 4 - naphtha- quinone ( 0-25 g . ) , m . p . and mixed m . p . 120 ° . 2 - Bromomethyl - 3 - methyl - 1 : 4 - naphthaquinone . - A ...
... precipitate crystallised from aqueous acetic acid in lemon - yellow needles of 2 : 3 - dimethyl - 1 : 4 - naphtha- quinone ( 0-25 g . ) , m . p . and mixed m . p . 120 ° . 2 - Bromomethyl - 3 - methyl - 1 : 4 - naphthaquinone . - A ...
Page 2363
... precipitate even when the temperature was kept at 50 ° . Whether precipitated by reducing the pressure or by heating , the sulphites are microcrystalline , but their habit could not be defined microscopically . By either method of ...
... precipitate even when the temperature was kept at 50 ° . Whether precipitated by reducing the pressure or by heating , the sulphites are microcrystalline , but their habit could not be defined microscopically . By either method of ...
Contents
2 4Trimethylpentane | 2082 |
Cinnolines Part XXXIV 5 6 and 7Hydroxy and 5 6 and 7Aminocinnolines | 2100 |
The Conductometric Evaluation of the Ionisation Functions of the Monohalogenoacetic | 2104 |
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Common terms and phrases
absorption acetic anhydride acetone acetyl added alcohol alkaline Amer ammonia atom band benzene boiling bromine Calc carbon carbonyl Chem chloride chloroform colour colourless compound concentrated cooled crystallised crystals decomp derivative diethyl dilute dioxide dissolved distilled dried eluted ester ethanol ethylene evaporated filtered fluoride formed Found fraction gave give glacial acetic acid H₂O heated hydrochloric acid hydrogen hydrogen bromide hydrogen chloride hydrolysis infrared isolated ketone lanthanons light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method methyl mixed m. p. mixture mole needles nickel nitrate nitric nitryl fluoride obtained oxidation oxygen peroxide potassium hydroxide precipitate prepared pressure prisms pteridine pyridine reaction reduction refluxed Reprint Order requires residue resin room temperature sodium hydroxide solid soluble solution solvent spectra spectrum structure sulphuric acid Table tube ultraviolet vacuo washed yellow yield