Aziridination of styrene derivatives with 3-acetoxyaminoquinazolinones: probing transition state geometry from changes in diastereoselectivity
作者:Robert S. Atkinson、Thomas A. Claxton、Ian S.T. Lochrie、Sabri Ulukanli
DOI:10.1016/s0040-4039(98)00939-3
日期:1998.7
In aziridinations of beta-substituted styrenes (4), (5) and (6) with the enantiopure 3-acetoxyaminoquinazolinone (1), diastereoselectivity (dr) increases from 5:1 for 6) to 10:1 (for (10) to similar to 20:1 (for (11)): changes in transition state geometry which account for this increase are rationalised using Frontier;Orbital Theory. (C) 1998 Elsevier Science Ltd. All rights reserved.