HETEROCYCLES

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact: purchase@heterocycles.com

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

■ Intramolecular Addition of a Hydroxyl to an N-Acyliminium System. Application to the Synthesis of Isoindolo[2,1-a][3,1]benzoxazine and Isoindolo[1,2-c][2,4]benzoxazepine Derivatives

Pascal Pigeon, Jana Sikoraiova, Stefan Marchalin, and Bernard Decroix*

*Laboratoire de Chimie, Faculté des Sciences et Techniques, Université du Havre, 25, rue Philippe Lebon, BP 540, 76058 Le Havre Cedex, France

Abstract

The titled compounds were prepared by the reaction of hydroxylated lactam (3a-c) or (10) with p-toluenesulfonic acid in dichloromethane. The ratio of diastereomeric mixtures (4b/5b (2/1) or 4c/5c (2/1) or 11/12 (5/1) is discussed.