An enantioselective approach to (−)-platencin via catalytic asymmetric intramolecular cyclopropanation
作者:Sho Hirai、Masahisa Nakada
DOI:10.1016/j.tetlet.2010.07.088
日期:2010.9
This Letter describes an enantioselective approach to (−)-platencin. A uniquely functionalized chiral intermediate, which was prepared via the highly enantioselective catalytic asymmetric intramolecular cyclopropanation (CAIMCP) that we have developed, was successfully transformed to Nicolaou’s intermediate in his totalsynthesis of (−)-platencin.
Enantiospecific synthesis of 3-pyrrolines: A route to novel polyhydroxylated pyrrolidines
作者:Ian Burley、Alan T. Hewson
DOI:10.1016/0040-4039(94)88236-3
日期:1994.9
Enantiopure acetamido ketones are converted by an intramolecular Wittig reaction into enantiopure 3-pyrrolines; the product from (S)-serine provides access to novelpolyhydroxylatedpyrrolidines.