Preparative and mechanistic aspects of copper-catalyzed hydrocyanation of unsaturated hydrocarbons. Part II

Autor:	Roger Warin, Philippe Teyssie, D. Y. Waddan, Alfred Noels, E. Puentes, André J. Hubert
Rok vydání:	1985
Předmět:	chemistry.chemical_compound Diene Nitrile Chemistry Yield (chemistry) General Engineering Hydrocyanation Cationic polymerization Regioselectivity Organic chemistry Conjugated system Catalysis
Zdroj:	Journal of Molecular Catalysis. 31:183-190
ISSN:	0304-5102
DOI:	10.1016/0304-5102(85)85059-8
Popis:	The CuBr-catalyzed hydrocyanation of conjugated dienes and of vinyl ethers has been investigated. The substitution of the diene system affects considerably the yield of the reaction, butadiene affording the best yield of nitrile whereas substituted diene systems react more sluggishly than butadiene and/or lead to extensive polymer formation. The reaction appears to be very regioselective as one nitrile isomer is very selectively formed in all the investigated cases. The hydrocyanation reaction appears to proceed through the formation of copper-allyl species whereas polymers would be formed by a cationic process.
Databáze:	OpenAIRE
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