Quarterly Journal of the Chemical Society of London, Part 3 |
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Page 2649
... dilute acid , the precipitates having infrared spectra identical with those of the original polymers ( Table 3 ) . These precipitates ( contrast the hot acid - hydrolysis below ) were readily soluble in cold dilute ammonia solution ...
... dilute acid , the precipitates having infrared spectra identical with those of the original polymers ( Table 3 ) . These precipitates ( contrast the hot acid - hydrolysis below ) were readily soluble in cold dilute ammonia solution ...
Page 2697
... dilution crystallised . Recrystallisation from dilute ethanol yielded 2 - phthalimidobenzo- phenone , m . p . 198-199 ° ( Found : C , 76-9 ; H , 3.9 ; N , 4 · 3 . C21H13O3N requires C , 77 · 1 ; H , 4.0 ; N , 4 · 3 % ) . Reaction with ...
... dilution crystallised . Recrystallisation from dilute ethanol yielded 2 - phthalimidobenzo- phenone , m . p . 198-199 ° ( Found : C , 76-9 ; H , 3.9 ; N , 4 · 3 . C21H13O3N requires C , 77 · 1 ; H , 4.0 ; N , 4 · 3 % ) . Reaction with ...
Page 2782
... dilution , the solution was made alkaline with ammonia and ether - extracted . Evaporation of the ether gave 2 - amino - 2 ' - meth- oxybenzophenone ( 9 g . , 32 % ) , yellow plates ( from dilute ethanol ) , m . 109-111 ° ( Inagaki ...
... dilution , the solution was made alkaline with ammonia and ether - extracted . Evaporation of the ether gave 2 - amino - 2 ' - meth- oxybenzophenone ( 9 g . , 32 % ) , yellow plates ( from dilute ethanol ) , m . 109-111 ° ( Inagaki ...
Contents
2454 | 2314 |
Substituted carbonyl compounds of chromium molybdenum tungsten and man | 2323 |
Thiohydantoins Part IV Oxidation in alkaline solution by molecular oxygen | 2327 |
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1,3,5-trinitrobenzene 3-dimethylbarbituric acid absorption acetic acid acetone added alcohol alkaline alkyl Amax Amer amines anhydride aqueous aromatic benzene boiling bond bromide Calc carbon carbon tetrachloride carbonyl cation Chem chloride chloroform chromatography cinnoline complex compound concentration cooled crystallised crystals cyclisation decomp derivatives dilute dioxide distilled dried ester ethanol evaporated filtered filtrate formed Found fraction gave give glycollic acid glyoxylic acid heated hydrochloric acid hydrolysis infrared infrared spectrum iodide isomer light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl methyl iodide methylamine mixed m. p. mixture mole molecular molecule N-methyl obtained oxidation oxygen phenol picrate polymer potassium precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra stirred structure sulphuric acid Table titration trisaccharide ultraviolet values washed yellow needles yield