Journal of the Chemical SocietyThe Society., 1952 |
From inside the book
Results 1-3 of 49
Page 1355
... lactone ( III ) which was satisfactorily oxidised by chromium trioxide in acetic acid solution to the desired keto - lactone ( IV ) . All yields are fairly good except for the final oxidation . The product was an oil , purified by ...
... lactone ( III ) which was satisfactorily oxidised by chromium trioxide in acetic acid solution to the desired keto - lactone ( IV ) . All yields are fairly good except for the final oxidation . The product was an oil , purified by ...
Page 1448
Chemical Society (Great Britain). Clearly the resonance energy requirements of the lactone grouping control the stereo- chemistry of the molecule . The synthesis of the lactone ( III ) was carried out as follows . Reaction of either homo ...
Chemical Society (Great Britain). Clearly the resonance energy requirements of the lactone grouping control the stereo- chemistry of the molecule . The synthesis of the lactone ( III ) was carried out as follows . Reaction of either homo ...
Page 1454
... lactone of 2 - carboxy - 2 ' - hydroxydiphenylcarbinol ( 3-0 - hydr- oxyphenylphthalide ) ( IX ) . Attempted ... Lactone CO O - Acetyl derivative Lactone ( CF , CO ) , O Lactone Lactide SOCI , -NPhEt , Lactone Lactide P010 Lactone POCI ...
... lactone of 2 - carboxy - 2 ' - hydroxydiphenylcarbinol ( 3-0 - hydr- oxyphenylphthalide ) ( IX ) . Attempted ... Lactone CO O - Acetyl derivative Lactone ( CF , CO ) , O Lactone Lactide SOCI , -NPhEt , Lactone Lactide P010 Lactone POCI ...
Contents
244 | 1196 |
219 | 1216 |
The Polymerizability of Methyl atert Butylacrylate | 1220 |
100 other sections not shown
Other editions - View all
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