Journal of the Chemical Society, Part 1Chemical Society., 1946 |
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Page 101
... evaporation under reduced pressure , the methylated product was extracted with chloroform and the solvent evaporated , yielding 5 · 2 g . of syrup , [ a ] 16 + 6 ° ( in chloroform , c 0-72 ) ( Found : OMe , 9.0 . C45H42O5 requires OMe ...
... evaporation under reduced pressure , the methylated product was extracted with chloroform and the solvent evaporated , yielding 5 · 2 g . of syrup , [ a ] 16 + 6 ° ( in chloroform , c 0-72 ) ( Found : OMe , 9.0 . C45H42O5 requires OMe ...
Page 390
... evaporated to dryness and extracted with chloroform , and the extract was washed with sodium thiosulphate solution and with water , dried ( MgSO1 ) , and evaporated to a syrup . This contained iodine but could not be induced to ...
... evaporated to dryness and extracted with chloroform , and the extract was washed with sodium thiosulphate solution and with water , dried ( MgSO1 ) , and evaporated to a syrup . This contained iodine but could not be induced to ...
Page 392
... evaporated to a syrup which was dissolved in water and again evaporated to a syrup . This was distilled at 160-165 ° / 10 mm . Yield , 290 g . The light yellow distillate rapidly crystallised and was re- crystallised from ethyl acetate ...
... evaporated to a syrup which was dissolved in water and again evaporated to a syrup . This was distilled at 160-165 ° / 10 mm . Yield , 290 g . The light yellow distillate rapidly crystallised and was re- crystallised from ethyl acetate ...
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Common terms and phrases
4-dideuterobenzene absorption acetic acid acetic anhydride acetone activity added alkaline alkyl Amer ammonia antimalarial atoms band benzene bimolecular boiling bromide Calc carbinol CH₂ Chem chloride chloroform colourless needles combination tones compound condensation cooled corresponding crude crystallised from alcohol decomp derivatives deuterated benzenes deuterium dilute dissolved distilled dried effect ester ether ethyl alcohol evaporated extracted filtered formed Found fraction fundamental frequencies gave give b. p. halides heated hexadeuterobenzene hydrochloric acid hydrogen hydrolysis infra-red spectrum iodide isolated ketone ligroin mannitol methanol method mixture molecule monodeuterobenzene neopentyl normal co-ordinates obtained oxide phosphoryl chloride potassium praseodymium precipitate prepared prisms pyridine Raman spectrum reaction reagent rearrangement reduced pressure refluxed requires residue salt semicarbazone separated sodium carbonate sodium hydroxide solid soluble solution solvent sorbitol spectra steric stirred structure substitution sulphuric acid symmetry class Table temperature washed yellow needles yield