Journal of the Chemical Society, Pages 1-1026The Society., 1950 |
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Results 1-3 of 73
Page 214
... soluble in cold water or alcohol ( Found : C , 52 · 1 ; H , 5 · 4 ; H , SO , by titration , 26.9 . C16H20ON2S requires C , 52-3 ; H , 5 · 4 ; H2SO ,, 26-6 % ) . The dipicrate crystallises from alcohol in yellow needles with a straight ...
... soluble in cold water or alcohol ( Found : C , 52 · 1 ; H , 5 · 4 ; H , SO , by titration , 26.9 . C16H20ON2S requires C , 52-3 ; H , 5 · 4 ; H2SO ,, 26-6 % ) . The dipicrate crystallises from alcohol in yellow needles with a straight ...
Page 641
... soluble in methanol and insoluble in acetone , and gave a green colour with ferric chloride in methanol . If insufficient acid was present during the recrystallisation , the free base , m . p . 178 ° ( decomp . ) , separated , insoluble ...
... soluble in methanol and insoluble in acetone , and gave a green colour with ferric chloride in methanol . If insufficient acid was present during the recrystallisation , the free base , m . p . 178 ° ( decomp . ) , separated , insoluble ...
Page 866
... soluble in sodium hydrogen carbonate solution , readily soluble in sodium carbonate and hydroxide solution with a bright yellow colour . It is insoluble in concentrated hydrochloric acid but soluble in concentrated sulphuric acid with ...
... soluble in sodium hydrogen carbonate solution , readily soluble in sodium carbonate and hydroxide solution with a bright yellow colour . It is insoluble in concentrated hydrochloric acid but soluble in concentrated sulphuric acid with ...
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Common terms and phrases
4-dione absorption acetic acid acetic anhydride acetone acetyl activity added alcohol alkaline Amer amine ammonia amylose anhydride atom benzene boiling bromide bromine trifluoride Calc carbon dioxide carbon tetrachloride catalyst CH₂ Chem chloride chloroform CO₂ colour colourless complex compound containing cooling copper corresponding crystallised crystals cyclisation decomp derivatives diazomethane dilute dioxan dissolved distilled disulphide dried electron ester ethanol ethyl acetate ethylamine evaporated filtered filtrate formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone light petroleum b. p. liquid m. p. and mixed metals method methyl minutes mixed m. p. mixture molecule needles nitrate obtained oxidation peroxide potassium precipitate prepared prisms pyridine Q-enzyme reaction reagent reduced requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphide sulphuric acid washed yellow yield