Download PDF
Synlett 1993; 1993(10): 777-780
DOI: 10.1055/s-1993-22606
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

Studies on Lewis Acid-Catalysed Generation and Intermolecular Trapping of Chiral Stabilised Azomethine Ylids

Laurence M. Harwood* , Ajith C. Manage, Sylvie Robin, Simon F. G. Hopes, David J. Watkin, C. Eleri Williams
  • *Dyson Perrins Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QY, England
Further Information

Publication History

Publication Date:
19 March 2002 (online)

 PDF Download  Permissions and Reprints All articles of this category

Preparation of the ylid (2) derived from 5(R)-phenylmorpholinone (1) in the presence of freshly prepared MgBr2·Et2O and dipolarophiles can lead to improved cycloaddition yields, with inverse diastereo- and regioselection compared to the corresponding uncatalysed reactions.