Synthetic communications

Ytterbium (III) Triflate–Catalyzed Stereoselective Synthesis of β??Lactams via [2+ 2] Cyclocondensation in Ionic Liquid

R Chen, B Yang, W Su

Index: Chen, Rener; Yang, Bingjian; Su, Weike Synthetic Communications, 2006 , vol. 36, # 21 p. 3167 - 3174

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Citation Number: 17

Abstract

Abstract Catalyzed by ytterbium (III) triflate [Yb (OTf) 3], β??lactams were stereoselectively synthesized from imines and acetyl chlorides in ionic liquid under mild conditions. The ionic liquid and catalyst could be recycled and reused as opposed to traditional solvent–catalyst systems.

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