British Abstracts: Pure chemistry and physiology. ser. A1933 |
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Trang 379
... acetate as initial material has little or no influence . The conditions of condensation , in particular the nature ... acetate , m.p. 114— 115 ° ( corr . ) , [ x ] + 168 ° in CHCl3 , from B - d - glucose- penta - acetate ( I ) , PhOH ...
... acetate as initial material has little or no influence . The conditions of condensation , in particular the nature ... acetate , m.p. 114— 115 ° ( corr . ) , [ x ] + 168 ° in CHCl3 , from B - d - glucose- penta - acetate ( I ) , PhOH ...
Trang 434
... ( acetate , m.p. 145-146 ° , [ x ] + 30.2 ° ) . Catalytic hydrogen- ation ( spongy Pt in Et2O - EtOH ) of the acetate of ( III ) and hydrolysis gives hexahydroisopyrovitamin , sinters 68-80 ° , [ a -6.9 ° ( 26 - dinitro - p - toluate ...
... ( acetate , m.p. 145-146 ° , [ x ] + 30.2 ° ) . Catalytic hydrogen- ation ( spongy Pt in Et2O - EtOH ) of the acetate of ( III ) and hydrolysis gives hexahydroisopyrovitamin , sinters 68-80 ° , [ a -6.9 ° ( 26 - dinitro - p - toluate ...
Trang 1038
... acetate is a mixture . Galact- oseoxime ( I ) , C , H , N , and Ac2O at 23-25 ° give al - galactoseoxime hexa - acetate ( II ) , [ a ] + 23-6 ° in CHCl3 , an isomeride ( III ) , m.p. 106 ° , [ a ] -27.5 ° in CHCl3 , and galactonitrile ...
... acetate is a mixture . Galact- oseoxime ( I ) , C , H , N , and Ac2O at 23-25 ° give al - galactoseoxime hexa - acetate ( II ) , [ a ] + 23-6 ° in CHCl3 , an isomeride ( III ) , m.p. 106 ° , [ a ] -27.5 ° in CHCl3 , and galactonitrile ...
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Kinetic Theory Thermodynamics | 4 |
Reactions | 30 |
New Methods of Preparing Substances arranged according | 442 |
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absorption acetate acid AcOH action activity adsorption affords alcohol aldehydes alkali Amer approx atoms autoxidation Biochem Biol blood calc carbon catalyst cell CH₂ CHCl3 Chem Chim chloride CO₂ CO₂H coeff colour compounds Compt conc concn const containing corr cryst crystals curve cystine decomp decreases derivative determined diazotised effect electrolytes electrons enzyme ergosterol ester ether EtOH extract formation formed gelatin gives glucose H₂ H₂O H₂SO heated hydrochloride hydrogen hydrolysis increase insulin ions ketone lactic lactic acid liquid MeOH metabolism metals method mixture NaOH nitrate normal obtained oxidation oxidised Pharm phenols PhOH Physical Rev Physik physiol picrate pptd pptn prep presence pressure Proc protein reaction reduced rend room temp salts semicarbazone solubility solution spectra spectrum structure substances vals vapour velocity viscosity whilst X-ray yield Zentr