Journal of the Chemical Society, Pages 1-1026The Society., 1950 |
From inside the book
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Page 110
... obtained from method A. In order to examine the validity of the ammonium thiocyanate method in this case , interaction of di - p - cyanophenyl disulphide with this reagent was investigated ( method E ) and found to give the expected ...
... obtained from method A. In order to examine the validity of the ammonium thiocyanate method in this case , interaction of di - p - cyanophenyl disulphide with this reagent was investigated ( method E ) and found to give the expected ...
Page 179
... obtained pure and shown to be identical with materials obtained from natural sources , by mixed melting points of the parent acids , their p - bromophenacyl esters , and the derived dihydroxy - acids obtained by the action of peracetic ...
... obtained pure and shown to be identical with materials obtained from natural sources , by mixed melting points of the parent acids , their p - bromophenacyl esters , and the derived dihydroxy - acids obtained by the action of peracetic ...
Page 232
... obtained by the hydrochloric acid method . They could be kept at room temperature for several weeks , or indefinitely when quinol was added . It is noteworthy that ( V ; R = H ; " x - methylene butyrolactone " ) was obtained by ...
... obtained by the hydrochloric acid method . They could be kept at room temperature for several weeks , or indefinitely when quinol was added . It is noteworthy that ( V ; R = H ; " x - methylene butyrolactone " ) was obtained by ...
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Common terms and phrases
4-dione absorption acetic acid acetic anhydride acetone acetyl activity added alcohol alkaline Amer amine ammonia amylose anhydride atom benzene boiling bromide bromine trifluoride Calc carbon dioxide carbon tetrachloride catalyst CH₂ Chem chloride chloroform CO₂ colour colourless complex compound containing cooling copper corresponding crystallised crystals cyclisation decomp derivatives diazomethane dilute dioxan dissolved distilled disulphide dried electron ester ethanol ethyl acetate ethylamine evaporated filtered filtrate formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone light petroleum b. p. liquid m. p. and mixed metals method methyl minutes mixed m. p. mixture molecule needles nitrate obtained oxidation peroxide potassium precipitate prepared prisms pyridine Q-enzyme reaction reagent reduced requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphide sulphuric acid washed yellow yield