British Abstracts: Pure chemistry and physiology. ser. A1936 |
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Kết quả 1-3 trong 76
Trang 1261
... ester of acetate , m.p. 245-246 ° ; Me ester of benzoate , m.p. 215-216 ° ) . ( I ) gives a Me ester , m.p. 230 ° , with Me , SO , or , after treatment with alkali , with CH2N2 ; with CH , N2 ( I ) yields another Me ester , m.p. 170 CH ...
... ester of acetate , m.p. 245-246 ° ; Me ester of benzoate , m.p. 215-216 ° ) . ( I ) gives a Me ester , m.p. 230 ° , with Me , SO , or , after treatment with alkali , with CH2N2 ; with CH , N2 ( I ) yields another Me ester , m.p. 170 CH ...
Trang 1271
... ester , CH31O3N4 ( OMe ) , m.p. 214 ° , of which gives no oxime ; the Fe salt of rhodin - g Me , ester gives similarly a substance , esterified to rhodin - gg Me ester . Phæophorbide - b and NaOMe - C , HN at 140-150 ° give ...
... ester , CH31O3N4 ( OMe ) , m.p. 214 ° , of which gives no oxime ; the Fe salt of rhodin - g Me , ester gives similarly a substance , esterified to rhodin - gg Me ester . Phæophorbide - b and NaOMe - C , HN at 140-150 ° give ...
Trang 1272
... ester of ( III ) is oxidised by Cro , in AcOH to phaoporphyrin - a Me , ester , m.p. 281 ° . ( I ) is converted by Br in AcOH into 6 - bromoisochloroporphyrin - e Me , ester , m.p. 249 ° , which passes at 252 ° into phylloerythrin ...
... ester of ( III ) is oxidised by Cro , in AcOH to phaoporphyrin - a Me , ester , m.p. 281 ° . ( I ) is converted by Br in AcOH into 6 - bromoisochloroporphyrin - e Me , ester , m.p. 249 ° , which passes at 252 ° into phylloerythrin ...
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absorption Acad acetate acid AcOH Acta action activity adsorbed adsorption affords alcohol alkali Amer approx ascorbic acid atoms Biochem Biol blood Bull calc catalyst CHCl3 Chem Chim chloride CHMe CO₂ CO₂H coeff compounds Compt conc concn const containing converted crystals curves cystine decomp decreases dehydrogenation derivatives determined discussed effect electrolytes electrons energy enzyme ester EtOH extract formation formed gives glucose H₂ H₂O heat hydrochloride hydrogen hydrolysis increases ions ketone lattice liquid liver MeOH metabolism metals method mixture NaOH neutrons nitrate normal obtained oxidation oxidised oxime phenols PhOH Physical Rev Physiol picrate polymerisation pptd pptn prep presence pressure Proc protein rabbits Raman reaction reduced rend room temp Russ salts semicarbazone solutions spectra spectrum sperim structure substances surface urine vals vapour velocity viscosity vitamin-D whilst X-ray yields Zentr