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Catalytic asymmetric Simmons–Smith cyclopropanation of unfunctionalized olefins

2005; Elsevier BV; Volume: 46; Issue: 16 Linguagem: Inglês

10.1016/j.tetlet.2005.02.161

1873-3581

Jiang Long, Haifeng Du, Kai Li, Yian Shi,

Asymmetric Synthesis and Catalysis

This paper describes a catalytic asymmetric cyclopropanation system for unfunctionalized olefins using readily available dipeptide N-Boc-l-Val-l-Pro-OMe (1) as ligand.