Journal of the Chemical SocietyThe Society., 1952 |
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Results 1-3 of 68
Page 1349
... compound was prepared by treatment of the compound A with zinc dust in acetic anhydride and acetic acid . It separated from ethanol - acetic acid as pale fawn - coloured needles , m . p . 105-107 ° ( decomp . ) , but has not been ...
... compound was prepared by treatment of the compound A with zinc dust in acetic anhydride and acetic acid . It separated from ethanol - acetic acid as pale fawn - coloured needles , m . p . 105-107 ° ( decomp . ) , but has not been ...
Page 1724
... compound and the hydroxyl- amine . Further assessment of the relative importance of the different processes is pre- vented by absence , from the literature , of information on the yields of azoxy - compounds obtained . In the present ...
... compound and the hydroxyl- amine . Further assessment of the relative importance of the different processes is pre- vented by absence , from the literature , of information on the yields of azoxy - compounds obtained . In the present ...
Page 1869
... compound ( IX ) .- This shows considerable increase in area and compressibility on alkali , evidently due to ionisation , and rather smaller changes on acid . ( Even if this compound were wholly in the quinone hydrazone form , one free ...
... compound ( IX ) .- This shows considerable increase in area and compressibility on alkali , evidently due to ionisation , and rather smaller changes on acid . ( Even if this compound were wholly in the quinone hydrazone form , one free ...
Contents
244 | 1196 |
219 | 1216 |
The Polymerizability of Methyl atert Butylacrylate | 1220 |
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Common terms and phrases
4-thionflavone 5-triazine absorption acetic anhydride acetone added alcohol alkaline Amer aqueous sodium atom benzene benzylamine boiling bromide Calc carbon CH₂ Chem chloride chloroform colour colourless compound concentrated sulphuric acid condensation cooled crystals D.Sc decomp decomposition derivatives dilute dioxide diphenyl dissolved distilled dried ester ethanol ether ethyl alcohol ethyl nitrate evaporated extracted filtered filtrate flavone fluorination formation formed Found fraction gave give m. p. heated under reflux hexamine hydrochloric acid hydrolysis hydroxyl insoluble iodide ionisation isolated ketone lactone light petroleum b. p. m. p. and mixed methiodide method methyl minutes mixed m. p. molecule needles niobium nitrate nitrobenzene obtained olefin oxidation picrate potassium hydroxide precipitate prepared prisms pyridine requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent solvolysis sorbitol sulphate sulphuric acid tetrabenzyl pyrophosphate values washed yellow yield