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ChemInform Abstract: Expected and Unexpected Reactions of 1,3-Benzothiazine Derivatives. Part 1. Ring Transformation of β-Lactam-Condensed 1,3-Benzothiazines into 4,5-Dihydro-1,4-benzothiazepines and Indolo-1,4-benzothiazepines.

✍ Scribed by Lajos Fodor; Peter Csomos; Tamas Holczbauer; Alajos Kalman; Antal Csampai; Pal Sohar

Publisher
John Wiley and Sons
Year
2011
Weight
39 KB
Volume
42
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Synthesis of Several New 5-Nitro-1,4-benzothiazine and 6-Nitro-1,5-benzothiazepine Derivatives.
✍ G. GRANDOLINI; L. PERIOLI; V. AMBROGI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 2 views

Synthesis of Several New 5-Nitro-1,4-benzothiazine and 6-Nitro-1,5benzothiazepine Derivatives. -Starting from o-nitro-p-methoxyaniline (I), a number of new 2-substituted 5-nitro-1,4-benzothiazines (VII) and 6nitro-1,5-benzothiazepine (X) are prepared via Herz reaction and successive cyclocondensati