Journal of the Chemical SocietyThe Society., 1952 |
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Page 1274
... added . Potassium dichromate was run in from a burette , rapidly at first , then more slowly as the end - point was approached . The solution was vigorously shaken and dichromate added drop - wise until a permanent colour change to red ...
... added . Potassium dichromate was run in from a burette , rapidly at first , then more slowly as the end - point was approached . The solution was vigorously shaken and dichromate added drop - wise until a permanent colour change to red ...
Page 1332
... added . The solvent was removed in vacuo , giving ethyl sodio- phthalimido [ 14C ] malonate . 4 - Iodobutylphthalimide ( 2.57 g . ) was added and the mixture heated at 150-155 ° for 3 hours . After addition of dry toluene ( 5 c.c. ) ...
... added . The solvent was removed in vacuo , giving ethyl sodio- phthalimido [ 14C ] malonate . 4 - Iodobutylphthalimide ( 2.57 g . ) was added and the mixture heated at 150-155 ° for 3 hours . After addition of dry toluene ( 5 c.c. ) ...
Page 2107
... added . The resulting solution was added dropwise to stirred concentrated hydrochloric acid ( 650 c.c. ) maintained at 0 ° . Stirring was continued for a few minutes after removal of the freezing bath , and the diazonium solution was then ...
... added . The resulting solution was added dropwise to stirred concentrated hydrochloric acid ( 650 c.c. ) maintained at 0 ° . Stirring was continued for a few minutes after removal of the freezing bath , and the diazonium solution was then ...
Contents
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 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