Synlett 2012; 23(11): 1662-1666
DOI: 10.1055/s-0031-1290369
letter
© Georg Thieme Verlag Stuttgart · New York

A Synthesis of Functionalized Dihydro-1H-pyrroles from Nef-Isocyanide Adducts and Enamines

Issa Yavari*
Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran, Fax: +98(21)82883455   eMail: yavarisa@modares.ac.ir
,
Reza Hosseinpour
Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran, Fax: +98(21)82883455   eMail: yavarisa@modares.ac.ir
,
Ramin Pashazadeh
Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran, Fax: +98(21)82883455   eMail: yavarisa@modares.ac.ir
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Publikationsverlauf

Received: 14. März 2012

Accepted after revision: 23. April 2012

Publikationsdatum:
14. Juni 2012 (online)


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Abstract

α-Ketoimidoyl chlorides, obtained from α-addition of acyl chlorides onto alkyl isocyanides, are treated with enamines to afford 5-(alkylimino)-4-hydroxy-4,5-dihydro-1H-pyrrole-2,3,4-tricarboxylates and 2-(alkylimino)-3-hydroxy-2,3-dihydro-1H-pyrrole-3,4-dicarboxylates in good to excellent yields.