Quarterly Journal of the Chemical Society of London |
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Page 4396
... gave a fraction which on crystallisation from chloroform - methanol gave 8 - amyrin acetate ( 265 mg . ) as hexagonal plates , m . p . 206.5—207 · 5 ° , [ x ] -30 ° ( c , 1 · 3 ) ( Found : C , 81-9 ; H , 10.9 . Calc . for C32H52O2 : C ...
... gave a fraction which on crystallisation from chloroform - methanol gave 8 - amyrin acetate ( 265 mg . ) as hexagonal plates , m . p . 206.5—207 · 5 ° , [ x ] -30 ° ( c , 1 · 3 ) ( Found : C , 81-9 ; H , 10.9 . Calc . for C32H52O2 : C ...
Page 4720
... gave a crystalline residue which was distilled at 80 ° ( bath ) /0.1 mm . The product ( 1.12 g . , 92 % ) , recrystallised from light petroleum ( b.p. 40-60 ° ) , gave needles , m . p . 67 ° , of cyclohexyl - a - methoxyacetic acid ...
... gave a crystalline residue which was distilled at 80 ° ( bath ) /0.1 mm . The product ( 1.12 g . , 92 % ) , recrystallised from light petroleum ( b.p. 40-60 ° ) , gave needles , m . p . 67 ° , of cyclohexyl - a - methoxyacetic acid ...
Page 4888
... gave 5a : 8a - epidioxy - 3ß - hydroxyergost - 9 - ene , needles ( from methanol ) , m . p . 155 · 5—157 ° , [ x ] −28.5 ° ( c , 0 · 79 ) ( Found : C , 77-8 ; H , 10-7 . C8H6O3 requires C , 78.05 ; H , 10.75 % ) . Benzoyl chloride in ...
... gave 5a : 8a - epidioxy - 3ß - hydroxyergost - 9 - ene , needles ( from methanol ) , m . p . 155 · 5—157 ° , [ x ] −28.5 ° ( c , 0 · 79 ) ( Found : C , 77-8 ; H , 10-7 . C8H6O3 requires C , 78.05 ; H , 10.75 % ) . Benzoyl chloride in ...
Contents
Heat of Hydrolysis of Phosphorus Oxychloride and Phosphorus Trichloride | 4086 |
The Vapour Pressure of Aqueous Solutions of Beryllium Sulphate and of Uranyl | 4115 |
Determination of Individual Adsorption | 4123 |
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acetic acid acetone added alcohol alkaline alkoxide aluminium chloride Amer aniline aqueous sodium atom azoxymethane benzene boiling bond bromine Calc carbon catalyst CH₂ Chem chloroform colourless compound concentration cooled crystallised crystals cyclohexyl decomp decomposition derivative dilute dimethylberyllium dioxide dissolved distilled dried ester ethanol ether evaporated experimental extracted filtered filtrate fluoride formation formed Found fraction frequencies gave give glycol heated under reflux hydrazine hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine isolated isomerisation ketone Light absorption light petroleum b. p. liquid m. p. and mixed method methyl mixed m. p. mixture mole molecular molecule needles nitrate nitric acid nitrogen obtained oxide potassium precipitated prepared prisms pteridine reaction requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphate sulphide sulphuric acid Table uroporphyrin vapour vibration washed yellow yield zirconium