REACTION OF TRIFLUOROACETIC-ANHYDRIDE WITH N-(2-HYDROXYBENZYL)-ALPHA-AMINO ACIDS - AN ENTRY IN THE NEW [1,3]OXAZOLO[2,3-B][1,3]BENZOXAZINE RING-SYSTEM

Authors
CHANTEGREL B DESHAYES C FAURE R
Citation
B. Chantegrel et al., REACTION OF TRIFLUOROACETIC-ANHYDRIDE WITH N-(2-HYDROXYBENZYL)-ALPHA-AMINO ACIDS - AN ENTRY IN THE NEW [1,3]OXAZOLO[2,3-B][1,3]BENZOXAZINE RING-SYSTEM, Heterocycles, 36(12), 1993, pp. 2811-2818
Citations number
5
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Heterocycles → ACNP
ISSN journal
03855414
Volume
36
Issue
12
Year of publication
1993
Pages
2811 - 2818
Database
ISI
SICI code
0385-5414(1993)36:12<2811:ROTWN>2.0.ZU;2-H
Abstract
The diastereospecific double ring closure of N-(2-hydroxybenzyl)-alpha -amino acids with trifluoroacetic anhydride leads to the formation of dro-[1,3]oxazolo[2,3-b][1,3]benzoxazin-2(5H)-ones. The chemical struct ures are supported by ir, H-1-nmr and C-13-nmr spectra and X-ray analy sis.