Journal of the Chemical Society, Part 1Chemical Society., 1949 |
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Results 1-3 of 80
Page 78
... derivatives , but the yields are not good . METHODS of preparation of indoles , apart from the Fischer synthesis , generally involve the ring closure of suitably substituted ortho - derivatives of benzene . We have investigated ( cf ...
... derivatives , but the yields are not good . METHODS of preparation of indoles , apart from the Fischer synthesis , generally involve the ring closure of suitably substituted ortho - derivatives of benzene . We have investigated ( cf ...
Page 322
... derivatives ( V ) , cis- , m . p . 94 ° ; trans- , m . p . 112 ° ; were obtained . Benzoylation of the latter compounds gave the benzoyl- toluene - p - sulphonyl derivatives ( VI ; R = Ph ) , in which the usual order of m . p . was ...
... derivatives ( V ) , cis- , m . p . 94 ° ; trans- , m . p . 112 ° ; were obtained . Benzoylation of the latter compounds gave the benzoyl- toluene - p - sulphonyl derivatives ( VI ; R = Ph ) , in which the usual order of m . p . was ...
Page 461
... derivatives of phenanthrene . Indeed , certain alkyl derivatives of all the benzphenanthrenes ( viz . , chrysene , 3 : 4 - benzphenanthrene , and 1 : 2 - benzanthracene ) , except triphenylene , are carcinogenic , although the position ...
... derivatives of phenanthrene . Indeed , certain alkyl derivatives of all the benzphenanthrenes ( viz . , chrysene , 3 : 4 - benzphenanthrene , and 1 : 2 - benzanthracene ) , except triphenylene , are carcinogenic , although the position ...
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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