Palladium-catalyzed divergent reactions of 1,6-enyne carbonates: synthesis of vinylidenepyridines and vinylidenepyrrolidines.

Zhao, Shu-Chun; Ji, Ke-Gong; Lu, Lei; He, Ting; Zhou, An-Xi; Yan, Ru-Long; Ali, Shaukat; Liu, Xue-Yuan; Liang, Yong-Min

Zhao, Shu-Chun; Ji, Ke-Gong; Lu, Lei; He, Ting; Zhou, An-Xi; Yan, Ru-Long; Ali, Shaukat; Liu, Xue-Yuan; Liang, Yong-Min.

Afiliación

Zhao SC; State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P.R. China.

J Org Chem ; 77(6): 2763-72, 2012 Mar 16.

Article en En | MEDLINE | ID: mdl-22364228

RESUMEN

A method for preparing five- or six-membered heterocyclic compounds from enyne carbonates via palladium catalysis was developed. Enyne carbonates were transformed into 3-vinylidene-1-tosylpyridines 2 in the presence of PdI(2) as the catalyst. Using Pd(dba)(2) as the catalyst, 3-vinylidene-1-tosylpyrrolidines 3 were obtained. Further functionalizations of compounds 3 were carried out in a one-pot manner.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Org Chem Año: 2012 Tipo del documento: Article Pais de publicación: Estados Unidos

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