British Abstracts: Pure chemistry and physiology. ser. A1936 |
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... MeOH and HCI vapours occurs readily at 450 ° , mainly on the surface of the reaction vessel . MeOH and AcOH do not react with appreciable velocity below the temp . at which decomp . of the MeOH becomes rapid . Reaction between MeOH ...
... MeOH and HCI vapours occurs readily at 450 ° , mainly on the surface of the reaction vessel . MeOH and AcOH do not react with appreciable velocity below the temp . at which decomp . of the MeOH becomes rapid . Reaction between MeOH ...
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... MeOH , and the B - Ac , compound , b.p. 128- 132 ° / 0-8 mm . , [ a ] 24 -13.6 ° in dry MeOH . ( IV ) with MeOH - HCl gives amongst other substances methyl - a- 5 - methyl - 1 - rhamnofuranoside ( VI ) , m.p. 59-60 ° , [ x ] 33 -89.2 in ...
... MeOH , and the B - Ac , compound , b.p. 128- 132 ° / 0-8 mm . , [ a ] 24 -13.6 ° in dry MeOH . ( IV ) with MeOH - HCl gives amongst other substances methyl - a- 5 - methyl - 1 - rhamnofuranoside ( VI ) , m.p. 59-60 ° , [ x ] 33 -89.2 in ...
Trang 1273
... MeOH - C¿H ̧N at 185 ° and 125 ° , respectively . H. W. Chlorophyll . LXXIII . New ring fission of phæophorbide - a and phæoporphyrin - a5 . FISCHER and S. GOEBEL ( Annalen , 1936 , 524 , 269- 284 ; cf. A. , 1935 , 362 ) .— Treatment of ...
... MeOH - C¿H ̧N at 185 ° and 125 ° , respectively . H. W. Chlorophyll . LXXIII . New ring fission of phæophorbide - a and phæoporphyrin - a5 . FISCHER and S. GOEBEL ( Annalen , 1936 , 524 , 269- 284 ; cf. A. , 1935 , 362 ) .— Treatment of ...
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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