Journal of the American Chemical Society · 2003 · 90 citations · 12 references
This paper describes a promising asymmetric cyclopropanation system for unfunctionalized olefins using readily available dipeptide N-Boc-l-Val-l-Pro-OMe as ligand.
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Exploring new reactive species for cyclopropanation
Zhiqiang Yang, Jon C. Lorenz, Yian Shi · Tetrahedron Letters · 1998 · 162 citations