Quarterly Journal of the Chemical Society of London |
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Page 3139
... ethanol and blue - green crystals ( 4 · 9 g . ) , m . p . 179–181 ° , filtered off . isation from ethanol gave yellow needles ( 3.3 g . ) , m . p . 182-183 ° . Infrared spectra confirmed the identity of the compound with that prepared ...
... ethanol and blue - green crystals ( 4 · 9 g . ) , m . p . 179–181 ° , filtered off . isation from ethanol gave yellow needles ( 3.3 g . ) , m . p . 182-183 ° . Infrared spectra confirmed the identity of the compound with that prepared ...
Page 3278
... ethanol - water , and the evolved gas ( 4.00 c.c. at 20 ° and 750 mm . ) was collected . The molar ratio hydrogen : complex was 1.06 : 1. The solid residue was filtered off , washed with ethanol , and dried , and was identified as di ...
... ethanol - water , and the evolved gas ( 4.00 c.c. at 20 ° and 750 mm . ) was collected . The molar ratio hydrogen : complex was 1.06 : 1. The solid residue was filtered off , washed with ethanol , and dried , and was identified as di ...
Page 3465
... ethanol giving again the mono- picrate quantitatively . A solution of the diguanide ( 0.25 g . , 0 · 001 mole ) in boiling ethanol ( 4 ml . ) , treated with toluene - p - sulphonic acid monohydrate ( 0.19 g . , 0 · 001 mole ) in water ...
... ethanol giving again the mono- picrate quantitatively . A solution of the diguanide ( 0.25 g . , 0 · 001 mole ) in boiling ethanol ( 4 ml . ) , treated with toluene - p - sulphonic acid monohydrate ( 0.19 g . , 0 · 001 mole ) in water ...
Contents
NO PAGE | 2842 |
Mechanism of benzidine and semidine rearrangements Part XV A collective | 2864 |
By DAVID PETERS | 2901 |
Copyright | |
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absorption acetic acid acetone added adduct alcohol alkyl Amax Amer anhydride aqueous aromatic atom atomic orbitals band benzene bond bromine Calc carbon carbonyl cation CH₂ Chem chloroform chromatography cm.¹ complex compound concentration constant crystallised cyclohexane decomp decomposition derivatives dilute dimethyl distilled dried effect electron ester ethanol ether evaporated extracted filtered filtrate formation formed Found fraction gave give heated hydride hydrogen hydrolysis hydroxide infrared infrared spectrum iodide ionisation energies isomer kinetic light petroleum b. p. lithium lithium aluminium hydride mechanism methyl mixed m. p. mixture mole molecular molecule nitric oxide nitrogen Nujol observed obtained oxidation perchlorate phenyl potassium prepared proton pyridine reaction rearrangement reduced refluxed requires residue room temperature salt sodium sodium hydroxide solid solution solvent spectra steric steric effect structure substitution sulphate Table thionyl chloride transition ultraviolet values Vmax yield