Ring-closing metathesis of diolefinic oxazolidinones: a new access to tropanes and aminocyclitols
作者:Claude Agami、François Couty、Nicolas Rabasso
DOI:10.1016/s0040-4039(01)00830-9
日期:2001.7
Ring-closing metathesis of diolefinic oxazolidinones prepared through N-Boc-2-acyl or alpha,beta -epoxy oxazolidine methodology give stereodefined bicyclic oxazolidinones. The 5,6-membered bicyclic oxazolidinones are then converted into new aminocyclitols by diastereoselective dihydroxylation whereas their 5,7-membered bicyclic homologues are transformed into tropanic alkaloids through an aminocyclization step. (C) 2001 Elsevier Science Ltd. All rights reserved.