Approach to synthesis of β-enamino ketones and pyrroles catalyzed by gallium (III) triflate under solvent-free conditions

J Chen, X Yang, M Liu, H Wu, J Ding…

Index: Chen, Jiuxi; Yang, Xiaoliang; Liu, Miaochang; Wu, Huayue; Ding, Jinchang; Su, Weike Synthetic Communications, 2009 , vol. 39, # 23 p. 4180 - 4198

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Citation Number: 20

Abstract

Abstract Metal triflates have been used to catalyze synthesis of β-enamino ketones or pyrroles from amines and 1, 3-dicarbonyl or 1, 4-dicarbonyl compounds under solvent-free conditions, respectively. Among different metal triflates screened, 0.5 mol% Ga (OTf) 3 efficiently promoted the reactions to give excellent yields. In addition, the catalyst could be recovered easily after the reactions and reused without evident loss in activity.