Journal of the Chemical Society, Part 1Chemical Society., 1949 |
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Results 1-3 of 84
Page 653
... crystallised from water in rectangular tablets , m . p . 198-199 ° ( decomp . ) ( Found : N , 44. CH23ON requires N , 4.7 % ) . Its hydrochloride crystallised from water in minute leaflets , m . p . 213–216 ° ( Found : N , 4-3 ; ĆI , 10 ...
... crystallised from water in rectangular tablets , m . p . 198-199 ° ( decomp . ) ( Found : N , 44. CH23ON requires N , 4.7 % ) . Its hydrochloride crystallised from water in minute leaflets , m . p . 213–216 ° ( Found : N , 4-3 ; ĆI , 10 ...
Page 655
... crystallised from alcohol - ether in parallelepipeds , m . p . 191-193 ° , sparingly soluble in cold water ( Found : N , 3 · 1 ; Br , 17.3 . C ,, H ,, ON , HBr requires N , 3.0 ; Br , 17.2 % ) . The base boiled at 248-253 ° / 5 mm . y ...
... crystallised from alcohol - ether in parallelepipeds , m . p . 191-193 ° , sparingly soluble in cold water ( Found : N , 3 · 1 ; Br , 17.3 . C ,, H ,, ON , HBr requires N , 3.0 ; Br , 17.2 % ) . The base boiled at 248-253 ° / 5 mm . y ...
Page 673
... crystallised from alcohol in colourless prismatic needles ( 14 g . ) , m . p . 61-62 ° ( Found : N , 5-4 . C18H17N requires N , 5-6 % ) . The substance containing alcohol of crystallisation had m . p . 55 ° . 6 - Methyl - 3 4 ...
... crystallised from alcohol in colourless prismatic needles ( 14 g . ) , m . p . 61-62 ° ( Found : N , 5-4 . C18H17N requires N , 5-6 % ) . The substance containing alcohol of crystallisation had m . p . 55 ° . 6 - Methyl - 3 4 ...
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Common terms and phrases
absorption acetic anhydride acetone added addition alkaline aluminium aluminium chloride Amer ammonia anhydride atom benzene boiling bond bromide Calc carbon catalyst CH₂ Chem chloroform colourless needles compound concentration condensation cooled crystallised crystals curve cyanide decomp decomposition derivatives dilute dissolved distilled disulphide dried ester ethyl acetate ethyl alcohol ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone kojic acid light petroleum b. p. m. p. and mixed methanol method mixed m. p. mixture molecule obtained oxide phenyl picrate potassium hydroxide precipitated prepared prisms pyridine reaction reagent reduced pressure refluxed removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure sulphate sulphide sulphone sulphuric acid thionyl chloride washed yellow yield