Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 321
... formed well - crystallised hydrochlorides . The latter were prepared by shaking the mercaptoamines with 10 % aqueous alkali and benzoyl chloride , extracting the oily benzoyl derivatives with ether , and passing dry hydrogen chloride ...
... formed well - crystallised hydrochlorides . The latter were prepared by shaking the mercaptoamines with 10 % aqueous alkali and benzoyl chloride , extracting the oily benzoyl derivatives with ether , and passing dry hydrogen chloride ...
Page 323
... formed , whereas by reaction without a solvent at ca. 220 ° the product is 2 : 2 ' - diamino - 4 : 4 ' - spirothiazoline dihydrochloride ( II ) . At intermediate temperatures , mixtures of these products are obtained . Treatment of ( I ) ...
... formed , whereas by reaction without a solvent at ca. 220 ° the product is 2 : 2 ' - diamino - 4 : 4 ' - spirothiazoline dihydrochloride ( II ) . At intermediate temperatures , mixtures of these products are obtained . Treatment of ( I ) ...
Page 657
... formed yellow needles : owing to their low solubility they were further purified by sublimation at 0.1 mm . ( jacket temperature , 260 ° ) ; m . p . 350-352 ° ( decomp . ) ( Found : C , 62.5 ; H , 2.9 ; N , 10.7 . C1H , O , N2S requires ...
... formed yellow needles : owing to their low solubility they were further purified by sublimation at 0.1 mm . ( jacket temperature , 260 ° ) ; m . p . 350-352 ° ( decomp . ) ( Found : C , 62.5 ; H , 2.9 ; N , 10.7 . C1H , O , N2S requires ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid cooled crystallised crystallised from alcohol crystals cyanide D.Sc decomp derivative diazotised dilute dissolved distilled dried ester experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide sodium nitrite solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield