37552-68-4Relevant articles and documents
Ytterbium(III) triflate-catalyzed stereoselective synthesis of β-lactams via [2 + 2] cyclocondensation in ionic liquid
Chen, Rener,Yang, Bingjian,Su, Weike
, p. 3167 - 3174 (2006)
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 tradi