Affiliation:
1. School of Pharmacy, Sungkyunkwan University
2. Yonsung Fine Chemicals Co., Ltd.
Abstract
AbstractThe stereoselective total synthesis of (+)-casuarine has been achieved via a functionalized pyrrolidine obtained from a chiral 1,3-oxazine. The synthetic strategy includes a stereoselective dihydroxylation reaction using osmium tetroxide and stereoselective Grignard-type vinyl addition reaction as the key steps to generate the two new stereocenters. The dihydroxylation catalyzed by osmium tetroxide formed anti-amino alcohol, and the vinyl addition formed syn-alcohol. (+)-Casuarine was prepared from the functionalized pyrrolidine over 11 steps in an overall yield of 16%.
Subject
Organic Chemistry,Catalysis
Cited by
1 articles.
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