## Abstract Neue 4‐Hydroxy‐2__H__‐1,2‐benzothiazin‐3‐carboxamid‐1,1‐dioxide **1** stellte man durch Aminolyse des entsprechenden Carbonsäureesters **2** her. Die analogen Naphtho[2,1‐e]‐1,2‐thiazin‐1,1‐dioxide **3** wurden in einer 5‐Stufen‐synthese aufgebaut.
✦ LIBER ✦
Reaktion von Bisvinamidiniumsalzen der 1,1-Dioxo-1,2-thiazin-6-aldehyde mit Hydroxylamin zu substituierten Pyrido[4,3-e]-1,2-thiazin-1,1-dioxiden
✍ Scribed by Prof. Dr. E. Fanghänel; A. Hucke; U. Baumeister; H. Hartung
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 358 KB
- Volume
- 338
- Category
- Article
- ISSN
- 1615-4150
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The structure of the title compound, C 13 H 15 N 3 O 3 S, is the first report of a structure comprising a novel pyrido [3,2]thiazine ring system. The partially saturated thiazine and pyrazine rings adopt screw-boat and sofa conformations, respectively. The crystal structure contains intermolecular N