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Phosphorus-containing enamines. IV. Reactions of alkyl- and phenyl-substituted 1-vinylpyrroles with phosphorus pentachloride

Journal Article · · J. Gen. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:5416697
1-Vinylpyrroles, alkyl- and phenyl-substituted in the ring, are phosphorylated by phosphorus pentachloride in the ..cap alpha.. position of the pyrrole ring with the subsequent addition of the chlorophosphorane at the N-vinyl group with the formation of pyrrolo(1,2-a)-1,1,3-trichloro-4,1-azaphospholanium hexachlorophosphates. By treating the phosphorylation products with sulfur dioxide and triethylamine the authors synthesized pyrrolo(1,2-a)-1-oxo-1-chloro-4,1-azaphosphol-2-enes. The introduction of phenyl substituents into the nucleus of 1-vinylpyrroles or of alkyl substituents in the C/sup 2/ and C/sup 5/ positions is conducive to substitutive phosphorylation in the vinyl group and the formation of phosphorus-containing enamines. 1-Vinylindole and 9-vinylcarbazole are phosphorylated exclusively at the vinyl group. Hydrogen 1, phosphorus 32, and carbon 13 NMR spectra are analyzed in detail.
Research Organization:
A. A. Zhdanov Irkut-sk State Univ. (USSR)
OSTI ID:
5416697
Journal Information:
J. Gen. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Gen. Chem. USSR (Engl. Transl.); (United States) Vol. 56:4; ISSN JGCHA
Country of Publication:
United States
Language:
English

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