British Abstracts: Pure chemistry and physiology. ser. A1936 |
Từ bên trong sách
Kết quả 1-3 trong 70
Trang 708
... conc . HNO3 , boiling alkali , and conc . aq . NH , at 110 ° . Distillation of ( I ) under atm . pressure affords glycol BBB - trichloroethylidene ether [ 2 - trichloromethyl- 13 - dioxolan ] , b.p. 200 ° , m.p. 42 ° , reduced ( Zn dust ...
... conc . HNO3 , boiling alkali , and conc . aq . NH , at 110 ° . Distillation of ( I ) under atm . pressure affords glycol BBB - trichloroethylidene ether [ 2 - trichloromethyl- 13 - dioxolan ] , b.p. 200 ° , m.p. 42 ° , reduced ( Zn dust ...
Trang 1119
... conc . H2SO4 into ( VI ) ( below ) ] , or hydrolapachol ( the 2 - isoamyl derivative ) , m.p. 93-5-94 ° , probably owing to variations in the catalyst . isoLomatiol ( II ) ( the 2-3 - hydroxy - y - methyl - A - butenyl derivative ) and ...
... conc . H2SO4 into ( VI ) ( below ) ] , or hydrolapachol ( the 2 - isoamyl derivative ) , m.p. 93-5-94 ° , probably owing to variations in the catalyst . isoLomatiol ( II ) ( the 2-3 - hydroxy - y - methyl - A - butenyl derivative ) and ...
Trang 1377
... conc . solution of tetraiodo - o - sulphobenzoic acid in aq . NH , with H2S gives ( NH4 ) 2 3 : 5 : 6 - tri - iodo- [ con- verted by conc . H2SO4 at 160 ° into ( VI ) ] and di - iodo - o- sulphobenzoate [ which with conc . H2SO4 at 150 ...
... conc . solution of tetraiodo - o - sulphobenzoic acid in aq . NH , with H2S gives ( NH4 ) 2 3 : 5 : 6 - tri - iodo- [ con- verted by conc . H2SO4 at 160 ° into ( VI ) ] and di - iodo - o- sulphobenzoate [ which with conc . H2SO4 at 150 ...
Ấn bản in khác - Xem tất cả
Thuật ngữ và cụm từ thông dụng
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