Quarterly Journal of the Chemical Society of London, Pages 3324-4156 |
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Page 3250
... extracted with ether . The ether layer was then extracted twice with large volumes of 10 % aqueous sodium carbonate ( the sodium salt is only sparingly soluble ) , which was then acidified and extracted with ether . After being washed ...
... extracted with ether . The ether layer was then extracted twice with large volumes of 10 % aqueous sodium carbonate ( the sodium salt is only sparingly soluble ) , which was then acidified and extracted with ether . After being washed ...
Page 3439
... extracted five times with cold light petroleum ( 4 1. each ) for 16 hr . , and the extracts were combined and ... extracted with ether ( 10 × 200 c.c. ) to yield the " light petroleum neutral fraction " ( 18-6 g . ) . The aqueous phase ...
... extracted five times with cold light petroleum ( 4 1. each ) for 16 hr . , and the extracts were combined and ... extracted with ether ( 10 × 200 c.c. ) to yield the " light petroleum neutral fraction " ( 18-6 g . ) . The aqueous phase ...
Page 3450
... extracted with chloroform . The chloroform solution was shaken with several portions of aqueous acetic acid , and the combined acid solutions were made alkaline with aqueous sodium hydroxide and extracted with chloroform . Evaporation ...
... extracted with chloroform . The chloroform solution was shaken with several portions of aqueous acetic acid , and the combined acid solutions were made alkaline with aqueous sodium hydroxide and extracted with chloroform . Evaporation ...
Contents
ii | 2842 |
Catalytic hydrogenation | 2845 |
Garden J F and Thomson R H | 2851 |
137 other sections not shown
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Common terms and phrases
4-triazine absorption acetic acid acetic anhydride acetone acidified added alcohol alkali alkyl Amer amine aqueous sodium atom band benzene benzyl boiling bromine Calc carbonate carbonyl Chem chloroform chromatography CO₂H colourless compound concentration containing cooled crystallised cyclisation decomp derivative diethyl dilute dioxan dioxide diphenyl dissolved distilled dried eluted ester ethanol ethyl acetate evaporated filtered filtrate fluorene formation formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infrared iodide isatin isolated ketone lactone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole needles nitric acid nitrogen obtained oxidation perchloric phenyl potassium hydroxide precipitate prepared prisms pyridine reaction reagent reduced refluxed requires residue room temperature salt separated sodium hydroxide solid solution solvent spectra structure sulphuric acid Table titration washed yellow yield