Journal of the Chemical SocietyThe Society., 1952 |
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Page 1303
Chemical Society (Great Britain). 235 . Some Properties of 4 - Thionflavone and its Methiodide , and of 4 - Thionchromones . By WILSON BAKER , J. B. HARBORNE , and W. D. OLLIS 4 - Thionflavone , prepared from flavone and phosphorus ...
Chemical Society (Great Britain). 235 . Some Properties of 4 - Thionflavone and its Methiodide , and of 4 - Thionchromones . By WILSON BAKER , J. B. HARBORNE , and W. D. OLLIS 4 - Thionflavone , prepared from flavone and phosphorus ...
Page 1304
... 4 - thionflavone methiodide ( II ) and benzoylhydrazine , an N - acetyl derivative ( III ; R = NHAc ) , and a benz- ylidenehydrazine derivative ( III ; R = N : CHPh ) . None of the above compounds contain- ing -N - N ... 4 - Thionflavone.
... 4 - thionflavone methiodide ( II ) and benzoylhydrazine , an N - acetyl derivative ( III ; R = NHAc ) , and a benz- ylidenehydrazine derivative ( III ; R = N : CHPh ) . None of the above compounds contain- ing -N - N ... 4 - Thionflavone.
Page 1306
... ( 100 mg . ) and benzaldehyde ( 1 c.c. ) in methanol ( 3 c.c. ) were kept at room temperature overnight . The pre- 16 cipitate ( 113 mg . , 83 % ) 1306 Baker , Harborne , and Ollis : Some Properties of 4 - Thionflavone.
... ( 100 mg . ) and benzaldehyde ( 1 c.c. ) in methanol ( 3 c.c. ) were kept at room temperature overnight . The pre- 16 cipitate ( 113 mg . , 83 % ) 1306 Baker , Harborne , and Ollis : Some Properties of 4 - Thionflavone.
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244 | 1196 |
219 | 1216 |
The Polymerizability of Methyl atert Butylacrylate | 1220 |
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4-thionflavone 5-triazine absorption acetic anhydride acetone added alcohol alkaline Amer aqueous sodium atom benzene benzylamine boiling bromide Calc carbon CHâ‚‚ 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