Quarterly Journal of the Chemical Society of London |
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Page 919
... colour in the initially green solution . The addition of 5 % alcoholic sodium hydroxide ( 0.24 c.c. , 0.2 mol . ) increased the rate of colour change and the mixture was then refluxed for 7 hours . Solid soon began to separate and more ...
... colour in the initially green solution . The addition of 5 % alcoholic sodium hydroxide ( 0.24 c.c. , 0.2 mol . ) increased the rate of colour change and the mixture was then refluxed for 7 hours . Solid soon began to separate and more ...
Page 1809
... colours were obtained , with the exception of 7 - methoxytryptophan which yielded , somewhat suprisingly , a deep blue colour . The apparently anomalous behaviour of 2:34 : 5 - tetrahydro - 7 - methoxy - 2 - methyl - 3- carboline - 4 ...
... colours were obtained , with the exception of 7 - methoxytryptophan which yielded , somewhat suprisingly , a deep blue colour . The apparently anomalous behaviour of 2:34 : 5 - tetrahydro - 7 - methoxy - 2 - methyl - 3- carboline - 4 ...
Page 1933
... colour is given only by completely deacetylated polyvinyl alcohol . Polyvinyl alcohol containing 10 % or more of residual acetate groups gives a crimson colour , as indeed do also aqueous - alcoholic solutions of polyvinyl acetate ...
... colour is given only by completely deacetylated polyvinyl alcohol . Polyvinyl alcohol containing 10 % or more of residual acetate groups gives a crimson colour , as indeed do also aqueous - alcoholic solutions of polyvinyl acetate ...
Contents
C Allen J Bolton H C and Lewis | 860 |
Campbell N R and Hunt J H 956 960 | 863 |
Organic | 866 |
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Common terms and phrases
2-deoxy-D-galactose absorption acetic acid acetone added alcohol alkaline aluminium aluminium chloride Amer anhydride aqueous atoms bands benzene benzoate boiling bond bromide Calc carbonate catalytic CHâ‚‚ Chem chloroform colour colourless oil compound concentrated condensation cooled coronene corresponding crude crystallised crystals decomp derivative dibromide dilute dioxan diphenyl dissolved distilled dried ester ethanol ethyl ethylene evaporated extracted with ether filtered filtrate Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis interface iodide isolated ketone light petroleum b. p. lithium lithium aluminium hydride methiodide method minutes molecule needles obtained oxide phosphoric acid phosphoryl chloride phthalide picrate plates potassium precipitate prepared prisms pyridine reduction removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid solution solvent structure sulphuric acid synthesis syrup tetralone titration washed yellow yield zinc