A highly diastereoselective synthesis of 3-substituted isoindolin-1-one dericatives
作者:Steven M. Allin、Christopher J. Northfield、Michael I. Page、Alexandra M.Z. Slawin
DOI:10.1016/s0040-4039(98)80042-7
日期:1999.1
A highly diastereoselective method for the synthesis of 3-substituted isoindolin-1-ones has been developed through application of a tricyclic lactam substrate as an N-acyliminium ion precursor. Ring-opening of the tricyclic lactam with triethylsilane as hydride source generates the targets with up to exclusive levels of diastereoselectivity. This approach compliments that reported in the preceding paper. (C) 1998 Elsevier Science Ltd. All rights reserved.
Approaches to the synthesis of non-racemic 3-substituted isoindolinone derivatives
作者:Steven M. Allin、Christopher J. Northfield、Michael I. Page、Alexandra M. Z. Slawin
DOI:10.1039/b001569p
日期:——
New methodology for the synthesis of non-racemic isoindolinone targets has been developed through application of tricyclic γ-lactam substrates as N-acyliminium ion precursors in reactions with carbon and hydride nucleophiles. Removal of the phenylglycinol derived chiral auxiliary can be achieved without loss of stereochemical integrity at the newly created asymmetric centre, and we report a novel method for this key step using conc. sulfuric acid.