Enantioselective Cyanosilylation of Keto
โ
Do Hyun Ryu; E. J. Corey
๐
Article
๐
2005
๐
John Wiley and Sons
โ 25 KB
๐ 2 views
2005 Cyanation O 0273 Enantioselective Cyanosilylation of Ketones Catalyzed by a Chiral Oxazaborolidinium Ion. -Chiral oxazaborolidinium triflate (Ib) represents an efficient catalyst for the cyanosilylation of methyl ketones (II) and (V). The reaction proceeds with a reactive Ph2MePOTms(N=C:) inter