British Abstracts: Pure chemistry and physiology. ser. A1929 |
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Trang 453
... methyl quinoline - 5 - carbamate with absolute nitric acid gave small yields of methyl 8 - nitro- quinoline - 5 - carbamate , m . p . 180 ° ( decomposition with sulphuric acid gave 8 - nitro - 5 - aminoquinoline ) , accompanied by methyl ...
... methyl quinoline - 5 - carbamate with absolute nitric acid gave small yields of methyl 8 - nitro- quinoline - 5 - carbamate , m . p . 180 ° ( decomposition with sulphuric acid gave 8 - nitro - 5 - aminoquinoline ) , accompanied by methyl ...
Trang 454
... methyl - 4 : 5 : 6 : 7 requisite indazole and alkyl or aralkyl iodide at 100 ° : tetrahydroindazole - 3 ... methyl iodide and sodium methoxide yields approxim an oil ) ; 15 - dimethyl - 2 - ethyl- , m . p . 84 ° ; 2 : 5 - di- ately equal ...
... methyl - 4 : 5 : 6 : 7 requisite indazole and alkyl or aralkyl iodide at 100 ° : tetrahydroindazole - 3 ... methyl iodide and sodium methoxide yields approxim an oil ) ; 15 - dimethyl - 2 - ethyl- , m . p . 84 ° ; 2 : 5 - di- ately equal ...
Trang 1185
... methyl - 3 - ethylpyrrolenyl ) . methene hydrobromide ( VI ) , and succinic acid is heated rapidly over a free flame a small amount of the monoethyl ester , m . p . 290 ° , of rhodoporphyrin 21 ( VII ) ( cf. this vol . , 940 ) ...
... methyl - 3 - ethylpyrrolenyl ) . methene hydrobromide ( VI ) , and succinic acid is heated rapidly over a free flame a small amount of the monoethyl ester , m . p . 290 ° , of rhodoporphyrin 21 ( VII ) ( cf. this vol . , 940 ) ...
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Thuật ngữ và cụm từ thông dụng
A. A. ELDRIDGE absorption acetic acid acetic anhydride acetone acetyl action activity alkali aluminium Amer ammonia ammonium amount anhydride aqueous solution atoms bands barium benzene Biochem Biol bromide C. R. HARINGTON calcium carbon dioxide catalyst Chem CHEMICAL ABSTRACTS Chim chloroform coefficient colloidal colour compound Compt concentration constant containing converted copper corresponding crystals curves decomp decomposition decrease derivative determined dextrose dilute effect electrolytes electrons ester ether formation formed gives heated hydrate hydrochloric acid hydrogen chloride hydrolysis increase iodide iodine ionisation ions ketone liquid magnesium measured mercury metal method methyl alcohol mixture molecular molecules N. M. BLIGH nitrate nitrogen obtained oxide oxidised oxygen peroxide phenyl phosphate Physik potassium hydroxide precipitated prepared presence pressure Proc protein pyridine reaction reduced rend S. K. TWEEDY salts silver sodium hydroxide sols soluble spectra spectrum substance sulphate sulphide sulphuric acid temperature vapour velocity wave-length whilst X-ray yields Zentr zinc