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13C NMR Analysis of some 4-hydroxy-2H-1,2-benzothiazine 1,1-dioxides

โœ Scribed by Celia B. Schapira; Isabel A. Perillo

Book ID
112130720
Publisher
Journal of Heterocyclic Chemistry
Year
1993
Tongue
English
Weight
306 KB
Volume
30
Category
Article
ISSN
0022-152X

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## Abstract Neue 4โ€Hydroxyโ€2__H__โ€1,2โ€benzothiazinโ€3โ€carboxamidโ€1,1โ€dioxide **1** stellte man durch Aminolyse des entsprechenden Carbonsรคureesters **2** her. Die analogen Naphtho[2,1โ€e]โ€1,2โ€thiazinโ€1,1โ€dioxide **3** wurden in einer 5โ€Stufenโ€synthese aufgebaut.