Journal of the Chemical Society, Part 1Chemical Society., 1946 |
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Results 1-3 of 81
Page 378
... dried , the dihydrochloride ( 4787 ) was crystallised from alcohol ; colourless needles , m . p . 259–261 ° ( yield , 11.2 g . ) ( Found in material dried at 100 ° : C , 47 · 4 ; H , 6 · 5 ; N , 13 · 0 ; Cl ′ , 13 · 3 . C2H2N , Bг ...
... dried , the dihydrochloride ( 4787 ) was crystallised from alcohol ; colourless needles , m . p . 259–261 ° ( yield , 11.2 g . ) ( Found in material dried at 100 ° : C , 47 · 4 ; H , 6 · 5 ; N , 13 · 0 ; Cl ′ , 13 · 3 . C2H2N , Bг ...
Page 453
... dried ( Na2SO , ) , and the toluene was removed under reduced pressure . There was thus obtained a heavy brown oil ( ca. 18 g . ) . On attempted distillation at < 1 mm . a few drops of distillate came over at about 80 ° ; the ...
... dried ( Na2SO , ) , and the toluene was removed under reduced pressure . There was thus obtained a heavy brown oil ( ca. 18 g . ) . On attempted distillation at < 1 mm . a few drops of distillate came over at about 80 ° ; the ...
Page 497
... dried in a vacuum . Recrystallisation from alcohol gave successive crops of colourless prisms m . p . ( i ) 283 ° , ( ii ) 285 ° , ( iii ) 285 ° , ( iv ) 280–283 ° all decomp . ( yield , 555 mg . ) ( Found ( after drying at 80 ° / 0.01 ...
... dried in a vacuum . Recrystallisation from alcohol gave successive crops of colourless prisms m . p . ( i ) 283 ° , ( ii ) 285 ° , ( iii ) 285 ° , ( iv ) 280–283 ° all decomp . ( yield , 555 mg . ) ( Found ( after drying at 80 ° / 0.01 ...
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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