Quarterly Journal of the Chemical Society of London, Pages 3324-4156 |
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Page 2853
... cooled , and left overnight at room temperature . The yellow sodium salt was collected , dried , and dissolved in hot dilute hydrochloric acid ( 20 ml . ) . The cooled solution was extracted with chloroform , and the extract dried ...
... cooled , and left overnight at room temperature . The yellow sodium salt was collected , dried , and dissolved in hot dilute hydrochloric acid ( 20 ml . ) . The cooled solution was extracted with chloroform , and the extract dried ...
Page 3208
... cooled . 1 - Phenyl - 5 - p - tolylsulphonyluracil ( 0 · 12 g . ) separated and crystallised from ethanol as prisms , m . p . 242 ° ( Found : C , 59-8 ; H , 4-25 ; N , 8.0 . C12H1ONS requires C , 59-65 ; H , 4.1 ; N , 8-2 % ) . 1 ...
... cooled . 1 - Phenyl - 5 - p - tolylsulphonyluracil ( 0 · 12 g . ) separated and crystallised from ethanol as prisms , m . p . 242 ° ( Found : C , 59-8 ; H , 4-25 ; N , 8.0 . C12H1ONS requires C , 59-65 ; H , 4.1 ; N , 8-2 % ) . 1 ...
Page 3209
... cooled and mixed with ether ( 50 ml . ) and ice - water ( 50 ml . ) . The crystals ( 12.0 g . ) which separated were collected and washed with cold water ( 3 x 20 ml . ) . The acylurethane ( 8.3 g . ) crystallised from water as needles ...
... cooled and mixed with ether ( 50 ml . ) and ice - water ( 50 ml . ) . The crystals ( 12.0 g . ) which separated were collected and washed with cold water ( 3 x 20 ml . ) . The acylurethane ( 8.3 g . ) crystallised from water as needles ...
Contents
ii | 2842 |
Catalytic hydrogenation | 2845 |
Garden J F and Thomson R H | 2851 |
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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