Quarterly Journal of the Chemical Society of London, Pages 3324-4156 |
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Page 3211
... bromide was left in an atmosphere of hydrogen chloride or bromide at room temperature , it gradually ( faster with hydrogen bromide ) became semisolid , giving back the vinyl bromide on treat- ment with alcohol or forming the butadiene ...
... bromide was left in an atmosphere of hydrogen chloride or bromide at room temperature , it gradually ( faster with hydrogen bromide ) became semisolid , giving back the vinyl bromide on treat- ment with alcohol or forming the butadiene ...
Page 3212
... bromide ( I ) and 1 : 1 - di - p - methoxy ( or ethoxy ) phenylethylene ( III ) formed ; ( b ) hydrogen bromide [ formed on reduction of the vinyl bromide with anthrone or in reaction ( a ) together with the butadiene ] , acting on the ...
... bromide ( I ) and 1 : 1 - di - p - methoxy ( or ethoxy ) phenylethylene ( III ) formed ; ( b ) hydrogen bromide [ formed on reduction of the vinyl bromide with anthrone or in reaction ( a ) together with the butadiene ] , acting on the ...
Page 3213
... hydrogen bromide . The butadiene corresponding to the ethylene could have been formed only by the action of bromine liberated from the vinyl bromide . The ionic mechanism postulated by Bergmann et al.14 seemed not to be favoured because ...
... hydrogen bromide . The butadiene corresponding to the ethylene could have been formed only by the action of bromine liberated from the vinyl bromide . The ionic mechanism postulated by Bergmann et al.14 seemed not to be favoured because ...
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