Asymmetric 1,3-Dipolar Cycloaddition of Cyclic Nitrones to Crotonic  Acid Derivatives Bearing Chiral Auxiliaries. Synthesis of Optically Active β-Amino Acids,  (+)-Sedridine, and (+)-Hygroline

Shun-Ichi Murahashi; Yasushi Imada; Masahiko Kohno; Toru Kawakami

doi:10.1055/s-1993-22467

Synlett 1993; 1993(6): 395-396
DOI: 10.1055/s-1993-22467

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.

Asymmetric 1,3-Dipolar Cycloaddition of Cyclic Nitrones to Crotonic Acid Derivatives Bearing Chiral Auxiliaries. Synthesis of Optically Active ß-Amino Acids, (+)-Sedridine, and (+)-Hygroline

Shun-Ichi Murahashi^* , Yasushi Imada, Masahiko Kohno, Toru Kawakami

^*Department of Chemistry, Faculty of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka 560, Japan