Dirhodium(II) Tetrakis[alkyl 2-oxaazetidine-4(S)-carboxylates]. A New Set of Effective Chiral Catalysts for Asymmetric Intermolecular Cyclopropanation Reactions with Diazoacetates
- 1 July 1996
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1996 (07) , 697-698
- https://doi.org/10.1055/s-1996-5573
Abstract
Chiral dirhodium(II) azetidinone-carboxylate catalysts provide high enantiocontrol in intermolecular cyclopropanation reactions of diazoacetates (up to 95% ee), and carbene addition occurs with modest cis diastereoselectivity.Keywords
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