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New Ambidentate Ligands—Derivatives of 1,2-Benzothiazine-1,1-Dioxide

✍ Scribed by O. Yu. Korshunov; A. V. Bicherov; A. D. Garnovskii


Book ID
111567416
Publisher
SP MAIK Nauka/Interperiodica
Year
2000
Tongue
English
Weight
16 KB
Volume
26
Category
Article
ISSN
1070-3284

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A novel photoisomerzation of 1,2-benzoth
✍ Ibrahim Elghamry; Dietrich Döpp; Gerald Henkel 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 399 KB

## Abstract A novel facile photoconversion of 4‐hydroxy‐1,2‐bezothiazine 1,1‐dioxides (**3a‐e**) into 4‐__oxo__‐1,3‐2__H__‐benzothiazine 1,1‐dioxides (**4a‐e**) and 4‐hydroxy‐2‐methyl‐__N__‐(pyridin‐2‐yl)‐2__H__‐1,2‐benzothiazine‐3‐carboxamide 1,1‐dioxide (PRX) into N‐methyl saccharin (**2**) upon