Quarterly Journal of the Chemical Society of London |
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Page 4707
... m.p. 375-376 ° ( decomp . ) ( Found : N , 9-55 . C32H2O , N , Cl , requires ... mixed with a small second crop obtained by diluting the filtrate with light ... mixed m . p . determination to consist mainly of the unchanged dibenzoyl ...
... m.p. 375-376 ° ( decomp . ) ( Found : N , 9-55 . C32H2O , N , Cl , requires ... mixed with a small second crop obtained by diluting the filtrate with light ... mixed m . p . determination to consist mainly of the unchanged dibenzoyl ...
Page 4896
... mixed m p . 186-192 ° , [ a ] ь + 13 ° ( c , 1-15 ) , after recrystallization from methanol . Elution with ether- methanol ( 3 : 1 ) gave a pasty solid , which after further chromatography on deactivated alumina gave almost pure 9 : 11 ...
... mixed m p . 186-192 ° , [ a ] ь + 13 ° ( c , 1-15 ) , after recrystallization from methanol . Elution with ether- methanol ( 3 : 1 ) gave a pasty solid , which after further chromatography on deactivated alumina gave almost pure 9 : 11 ...
Page 5040
... mixed with authentic oleanolic acid acetate , [ a ] + 77 ° ( Found : C , 77 ... ( mixed m . p . ) with the acid obtained above . Methyl oleanolate acetate . Oleanolic acid acetate ( 300 mg . ) ( both samples ) on ... M. P. Quinone 5040 Notes .
... mixed with authentic oleanolic acid acetate , [ a ] + 77 ° ( Found : C , 77 ... ( mixed m . p . ) with the acid obtained above . Methyl oleanolate acetate . Oleanolic acid acetate ( 300 mg . ) ( both samples ) on ... M. P. Quinone 5040 Notes .
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