Journal of the Chemical SocietyThe Society., 1952 |
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Page 1236
... diphenyl chlorophosphonate were mixed , precipitation of pyridine hydrochloride soon started . After three hours this was removed by filtration and the filtrate evaporated at a low temperature . An opalescent gum remained , which was ...
... diphenyl chlorophosphonate were mixed , precipitation of pyridine hydrochloride soon started . After three hours this was removed by filtration and the filtrate evaporated at a low temperature . An opalescent gum remained , which was ...
Page 1239
... diphenyl chlorophosphonate ( 0-22 c.c. , 1 mol . ) in dry benzene ( 5 c.c. ) . Pyridine hydrochloride began to separate after a few minutes and after 3 hours ' stirring at room temperature the mixture was filtered and solvent removed by ...
... diphenyl chlorophosphonate ( 0-22 c.c. , 1 mol . ) in dry benzene ( 5 c.c. ) . Pyridine hydrochloride began to separate after a few minutes and after 3 hours ' stirring at room temperature the mixture was filtered and solvent removed by ...
Page 1705
... Diphenyl hydrogen phos- phate , anhydr . , solid Diphenyl hydrogen phos- phate , anhydr . , soln . in Diphenyl hydrogen phos- 2597 P - OH ( stretch- cm . - 1 ( deform- ing ) 2597 broad region 1667 & 2000-2275 P = 0 1250 ation ) 1026 P ...
... Diphenyl hydrogen phos- phate , anhydr . , solid Diphenyl hydrogen phos- phate , anhydr . , soln . in Diphenyl hydrogen phos- 2597 P - OH ( stretch- cm . - 1 ( deform- ing ) 2597 broad region 1667 & 2000-2275 P = 0 1250 ation ) 1026 P ...
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 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