British Abstracts: Pure chemistry and physiology. ser. A1929 |
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... gives 3 - bromoalizarin . 2 : 2 ' - Dihydroxy - 1 : 1 ' - dianthraquinonyl by reduc- tion with boiling aqueous ammonia and zinc dust gives , after acetylation , 3 : 9 - diacetoxyanthracene , m . p . 157-158 ° , and tetra - acetyl - 2 ...
... gives 3 - bromoalizarin . 2 : 2 ' - Dihydroxy - 1 : 1 ' - dianthraquinonyl by reduc- tion with boiling aqueous ammonia and zinc dust gives , after acetylation , 3 : 9 - diacetoxyanthracene , m . p . 157-158 ° , and tetra - acetyl - 2 ...
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... gives dibenzylcarbinol ( 90 % yield ) , whilst acetophenone gives phenylmethylcarbinol ( 45 % yield ) , acetophenone pinacol ( 11 % ) and tarry by - products . p - Methoxy- acetophenone gives 47 % of carbinol and some pinacol . Phenacyl ...
... gives dibenzylcarbinol ( 90 % yield ) , whilst acetophenone gives phenylmethylcarbinol ( 45 % yield ) , acetophenone pinacol ( 11 % ) and tarry by - products . p - Methoxy- acetophenone gives 47 % of carbinol and some pinacol . Phenacyl ...
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... gives 8 - phenyl - a- benzyl - n - valeric acid , b . p . 243-245 ° / 13 mm . ( yield 80 % ) . Thionyl chloride gives the acid chloride ( not isolated ) , which is converted by carbon disulphide and aluminium chloride into 2 - y ...
... gives 8 - phenyl - a- benzyl - n - valeric acid , b . p . 243-245 ° / 13 mm . ( yield 80 % ) . Thionyl chloride gives the acid chloride ( not isolated ) , which is converted by carbon disulphide and aluminium chloride into 2 - y ...
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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