PHOTOCHEMICAL RING CONTRACTION OF DIHYDRO-1,4-BENZOTHIAZINES

Authors
COSTANTINI C TESTA G CRESCENZI O DISCHIA M
Citation
C. Costantini et al., PHOTOCHEMICAL RING CONTRACTION OF DIHYDRO-1,4-BENZOTHIAZINES, Tetrahedron letters, 35(20), 1994, pp. 3365-3366
Citations number
6
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
35
Issue
20
Year of publication
1994
Pages
3365 - 3366
Database
ISI
SICI code
0040-4039(1994)35:20<3365:PRCOD>2.0.ZU;2-C
Abstract
The pheomelanin precursor 1a and the related dihydro-1,4-benzothiazine s 1b-f undergo ring contraction upon irradiation with pyrex-filtered U V light to give 2-methylbenzothiazoles 2a-f in good yields.