2-(O-TOLYL)-4,4-DIMETHYL-2-OXAZOLINES - A NEW VEHICLE FOR FACILE CONVERGENT SYNTHESIS OF PROTOBERBERINE ALKALOIDS

Authors
Citation
Kn. Singh, 2-(O-TOLYL)-4,4-DIMETHYL-2-OXAZOLINES - A NEW VEHICLE FOR FACILE CONVERGENT SYNTHESIS OF PROTOBERBERINE ALKALOIDS, Tetrahedron letters, 39(24), 1998, pp. 4391-4392
Citations number
6
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
39
Issue
24
Year of publication
1998
Pages
4391 - 4392
Database
ISI
SICI code
0040-4039(1998)39:24<4391:2-ANVF>2.0.ZU;2-Z
Abstract
A single step synthesis of 8-oxotetrahydroprotoberberines (57-82%) by the addition of lithiated 2-(o-tolyl)-4,4-dimethyl-2-oxazolines on 3,4 -dihydroisoquinolines is described. (C) 1998 Elsevier Science Ltd. All rights reserved.