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 . C21H1зON requires C , 77 · 1 ; H , 4.0 ; N , 4 · 3 % ) . 13 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 . C21H1зON requires C , 77 · 1 ; H , 4.0 ; N , 4 · 3 % ) . 13 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
ABEL E W Bennett M A and Wilkinson G | 2323 |
Bourne E J Hartigan J and Weigel H | 2332 |
Clark E R | 2344 |
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1,3,5-trinitrobenzene absorption acetic acid acetic anhydride acetone added alcohol alkaline alkyl Amer amine ammonia anhydride atom benzene boiling bond bromide Calc carbon Chem chloride chloroform chromatography complex compound concentration constant cooled crystallised crystals curve decomp derivatives diethylamine dilute dimer dioxan dioxide dissolved distilled dried eluted ester ethanol evaporated filtered filtrate formation formed Found fraction gave give glycollic acid glyoxylic acid heated hydride hydrochloric acid hydrolysis hydroxide infrared infrared spectrum iodide isolated isomer K₁ light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl methyl iodide mixed m. p. mixture mole molecular molecule nitrogen obtained oxidation oxygen perchlorate picrate polymer potassium precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solvent spectra stirred structure sulphuric acid Table titration ultraviolet values washed yield