Tetrahedron Letters

Rh-catalyzed intramolecular debenzylative cyclization of amines. Butyrolactams from benzylamines having a chloroacetylene moiety

YT Oh, K Senda, T Hata, H Urabe

Index: Oh, Yun Taek; Senda, Kousuke; Hata, Takeshi; Urabe, Hirokazu Tetrahedron Letters, 2011 , vol. 52, # 19 p. 2458 - 2461

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Citation Number: 6

Abstract

Abstract When benzylamines having a chloroacetylene moiety were heated in wet toluene with a catalytic amount of rhodium trifluoroacetate dimer, intramolecular debenzylative cyclization took place to give butyrolactams. This method is a new entry to selective debenzylation of amines.