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2,1-Benzothiazine 2,2-Dioxides. 5*. Hydrolysis of Alkyl 1-R-4-Hydroxy-2,2-Dioxo-1Н-2λ6,1-Benzo-Thiazine-3-Carboxylates**

✍ Scribed by Ukrainets, I. V.; Petrushova, L. A.; Dzyubenko, S. P.; Yangyang, Liu

Book ID
127341349
Publisher
Springer US
Year
2014
Tongue
English
Weight
253 KB
Volume
50
Category
Article
ISSN
0009-3122

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N-alkyl-4-chloro-1H-benzo[c][1,2]thiazin
N-alkyl-4-chloro-1H-benzo[c][1,2]thiazine-3-carbaldehyde-2,2-dioxides—New functional benzothiazine derivatives
✍ Yulian Volovenko; Tatyana Volovnenko; Kirill Popov 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 436 KB

## Abstract magnified image A synthesis of __N__‐alkyl‐4‐chloro‐1__H__‐benzo[__c__][1,2]thiazine‐3‐carbaldehyde‐2,2‐dioxides is described. Reactivity of new β‐chloroaldehydes is investigated, a number of novel benzo[__c__][1,2]thiazine derivatives are synthesized and characterized using ^1^H, ^13^

Synthesen von 2H-1,2-Benzothiazin-1,1-di
Synthesen von 2H-1,2-Benzothiazin-1,1-dioxiden, I. Neue 4-Hydroxy-2H-1,2-benzothiazin- und 4-Hydroxy-2H-naphtho[2,1-e]-1,2-thiazin-3-carboxamid-1,1-dioxide
✍ Steiner, Gerd 📂 Article 📅 1978 🏛 Wiley (John Wiley & Sons) ⚖ 421 KB 👁 1 views

## 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.