NUCLEAR-MAGNETIC-RESONANCE AND X-RAY STUDY OF A [1,4]BENZOTHIAZINO[3,2-B][1,4]BENZOTHIAZINE AND A BI(BENZOTHIAZOLYL), ISOMERIC N,S-HETEROCYCLES DERIVED FROM THE REACTIONS OF O-AMINOBENZENETHIOL WITH SOME 1,2-DIONES

Authors
FARFAN N SANTILLAN R CASTILLO B CARRETERO P ROSALES MD GARCIABAEZ E FLORESVELA A DARAN JC HALUT S
Citation
N. Farfan et al., NUCLEAR-MAGNETIC-RESONANCE AND X-RAY STUDY OF A [1,4]BENZOTHIAZINO[3,2-B][1,4]BENZOTHIAZINE AND A BI(BENZOTHIAZOLYL), ISOMERIC N,S-HETEROCYCLES DERIVED FROM THE REACTIONS OF O-AMINOBENZENETHIOL WITH SOME 1,2-DIONES, Journal of chemical research. Synopses, (12), 1994, pp. 458-459
Citations number
37
Categorie Soggetti
Chemistry
Journal title
Journal of chemical research. Synopses → ACNP
ISSN journal
03082342
Issue
12
Year of publication
1994
Pages
458 - 459
Database
ISI
SICI code
0308-2342(1994):12<458:NAXSOA>2.0.ZU;2-U
Abstract
A bi(benzothiazolyl) (2) and a benzothiazino-benzothiazine (1), isomer s obtained by condensation of glyoxal, butane-2,3-dione and benzil wit h o-aminobenzenethiol, were subjected to an NMR analysis based on meas urement of the C-13 satellites of the ring-fusion protons in the H-1 N MR spectra; the structures of 1 and 2 were established by X-ray diffra ction analyses.