Journal of the Chemical Society, Pages 1-1026The Society., 1950 |
From inside the book
Results 1-3 of 73
Page 455
... ethanol . ( 24 ) The free base crystallised from hydrochloride . ethanol in large pale yellow plates , m . p . 78 ° ( Found : N , 14.85 . CH1 - N3S requires N , 14.85 % ) . ( 25 ) The Reineckate , crystallised from 40 % acetone , had m ...
... ethanol . ( 24 ) The free base crystallised from hydrochloride . ethanol in large pale yellow plates , m . p . 78 ° ( Found : N , 14.85 . CH1 - N3S requires N , 14.85 % ) . ( 25 ) The Reineckate , crystallised from 40 % acetone , had m ...
Page 457
... ethanol - ether and crystallised from ethanol of powdered thiosemicarbazideas triturated with ether rate acid anhydride ( 1 mol . ) at 80 ° and finally This afforded an impure product which was , however , satisfactory for the next ...
... ethanol - ether and crystallised from ethanol of powdered thiosemicarbazideas triturated with ether rate acid anhydride ( 1 mol . ) at 80 ° and finally This afforded an impure product which was , however , satisfactory for the next ...
Page 458
... ethanol ( Found : N , 12.9 . C18H21ON , S requires N , 12.85 % ) . 3 - Alkylisothiosemicarbazones . - These were prepared from the corresponding thiosemicarbazones by alkylation with sodium ethoxide and the appropriate alkyl halide in ...
... ethanol ( Found : N , 12.9 . C18H21ON , S requires N , 12.85 % ) . 3 - Alkylisothiosemicarbazones . - These were prepared from the corresponding thiosemicarbazones by alkylation with sodium ethoxide and the appropriate alkyl halide in ...
Other editions - View all
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