British Abstracts: Pure chemistry and physiology. ser. A1929 |
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... converted into the above isooxazole , m . p . 156 ° . The α - acetaloxime is readily converted into a - 3 - methylbenzil - 7 ' - monoxime ( the -monoxime ) , m . p . 113 ° ( benzoyl derivative , m . p . 91 ° , hydrolysed to benzonitrile ...
... converted into the above isooxazole , m . p . 156 ° . The α - acetaloxime is readily converted into a - 3 - methylbenzil - 7 ' - monoxime ( the -monoxime ) , m . p . 113 ° ( benzoyl derivative , m . p . 91 ° , hydrolysed to benzonitrile ...
Trang 575
... converted by alcoholic hydrogen peroxide into 3:43 ' 4 ' - tetramethoxydiphenyl disulphide , m . p . 89 ° . When the thiophenol is treated with sulphuric acid and then with stannous chloride , there again results tetramethoxythianthrene ...
... converted by alcoholic hydrogen peroxide into 3:43 ' 4 ' - tetramethoxydiphenyl disulphide , m . p . 89 ° . When the thiophenol is treated with sulphuric acid and then with stannous chloride , there again results tetramethoxythianthrene ...
Trang 576
... converted by alcoholic sodium sulphide into 2 : 2 ′ - dinitro - 4 : 5 : 4 ' : 5 ' - tetra- methoxydiphenyl sulphide , m . p . 209 ° ( 60 % yield ) , reduced by stannous chloride in hydrochloric and acetic acids to 2 : 2 ' - diamino - 4 ...
... converted by alcoholic sodium sulphide into 2 : 2 ′ - dinitro - 4 : 5 : 4 ' : 5 ' - tetra- methoxydiphenyl sulphide , m . p . 209 ° ( 60 % yield ) , reduced by stannous chloride in hydrochloric and acetic acids to 2 : 2 ' - diamino - 4 ...
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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