Gosselin F, Roy A, O'Shea PD, Chen CY, Volante RP. Oxazolidine Ring Opening and Isomerization to (E)-Imines. Asymmetric Synthesis of Aryl-α-fluoroalkyl Amino Alcohols.
Org Lett 2004;
6:641-4. [PMID:
14961643 DOI:
10.1021/ol036486g]
[Citation(s) in RCA: 52] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[reaction: see text] A base-induced ring opening/imine isomerization/diastereoselective organometallic addition sequence on 4-substituted 2-perfluoroalkyl-1,3-oxazolidines has been developed for the asymmetric synthesis of aryl alpha-perfluoroalkylamine derivatives. This practical method provides chiral amino alcohols in 60-95% yield with uniformely high diastereoselectivities ranging from 35:1 to >100:1.
Collapse