British Abstracts: Pure chemistry and physiology. ser. A1932 |
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... AcOH is crit . and with 0.005N - cyclo- hexanol at 25 ° oxidation is 1000 times as fast in 100 % as in 50 % AcOH . For the 27 cyclanols studied the velocity of oxidation at 39 ° is 7 to 13 times as great in 75 % as in 50 % AcOH and ...
... AcOH is crit . and with 0.005N - cyclo- hexanol at 25 ° oxidation is 1000 times as fast in 100 % as in 50 % AcOH . For the 27 cyclanols studied the velocity of oxidation at 39 ° is 7 to 13 times as great in 75 % as in 50 % AcOH and ...
Trang 518
... AcOH and a drop of HBr at 70-80 ° gives ( V ) . ( VII ) and ( VIII ) are interconvertible by EtOH or MeOH and AcOH or NaOH . With AcOH both give ( V ) , and with 80 % AcOH and KOAc at 70-90 ° 2 - hydroxy - 2 : 3 : 5 : 5- tetraphenyl - 2 ...
... AcOH and a drop of HBr at 70-80 ° gives ( V ) . ( VII ) and ( VIII ) are interconvertible by EtOH or MeOH and AcOH or NaOH . With AcOH both give ( V ) , and with 80 % AcOH and KOAc at 70-90 ° 2 - hydroxy - 2 : 3 : 5 : 5- tetraphenyl - 2 ...
Trang 1264
... AcOH at 55 ° or HBr - AcOH at 150 ° to rhodoporphyrin ( III ) , by HBr - AcOH at 50 ° to rhodoporphyrin - y - carboxylic acid anhydride ( IV ) , and by hot AcOH to ( IV ) . ( II ) and HBr - AcOH at 50 ° give ( III ) ( mainly ) and ( IV ) ...
... AcOH at 55 ° or HBr - AcOH at 150 ° to rhodoporphyrin ( III ) , by HBr - AcOH at 50 ° to rhodoporphyrin - y - carboxylic acid anhydride ( IV ) , and by hot AcOH to ( IV ) . ( II ) and HBr - AcOH at 50 ° give ( III ) ( mainly ) and ( IV ) ...
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Kinetic Theory Thermodynamics | 9 |
Electrochemistry | 23 |
Reactions | 336 |
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A. A. ELDRIDGE A. B. D. CASSIE absorption Ac derivative Ac₂O acetate acid AcOH action activity adsorption affords alcohol aldehyde alkali Amer approx atoms Biochem Biol C. A. SILBERRAD C. J. WEST calc catalytic CHCl3 Chem CHEMICAL ABSTRACTS Chim chloride CO₂ coeff colloidal compounds Compt conc concn const containing converted cryst crystals CUTHILL decomp decreases determined diazotised E. S. HEDGES effect electrolytes electrons enzyme ergosterol ester ether EtOH F. O. HowITT formation formed gives glucose glycerol H. F. GILLBE H₂ H₂O H₂SO heated hydrochloride hydrogen hydrolysis increase ions isomerisation ketone L. S. THEOBALD liquid MeOH method mixture N. M. BLIGH NaOH nitrate obtained oxidation oxidised oxime phenols Physical Rev Physik picrate piperidine prep prepared presence protein pyridine reaction reduced rend salts semicarbazone solution substance velocity viscosity whilst yield Zentr