Convenient synthesis of arylazo derivatives of quinoxaline, 1,4-benzothiazine, and 1,4-benzoxazine
✍ Scribed by Cyril Párkányi; Abdou O. Abdelhamid; Ahmad S. Shawali
- Book ID
- 112127430
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1984
- Tongue
- English
- Weight
- 240 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0022-152X
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📜 SIMILAR VOLUMES
The first solid-phase synthesis of 1,4-benzothiazin-3(4H)-ones and 1,4-benzoxazin-3(4H)-ones is reported. Alkylation of the immobilized 4-hydroxy-3-nitrobenzamide 2a and 3-nitro-4-sulfanylbenzamide 2b, followed by reduction and cyclization gave 4. Further alkylation and acylation was performed on th
## Abstract A series of 2‐(1__H__‐1,2,4‐triazol‐1‐yl)‐2__H__‐1,4‐benzothiazines were designed and synthesized by condensation of 1,2,4‐triazole‐substituted ω‐bromoacetophenones and __o__‐aminothiophenols with the aid of K~2~CO~3~ under mild conditions with moderate to high yields. © 2008 Wiley Peri