𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Ring-closure reaction of N-arylthiomethylaroylamides to 1,3-benzothiazines

✍ Scribed by János Szabó; Ernest Bani-Akoto; György Dombi; Gábor Günther; Gábor Bernáth; Lajos Fodor

Book ID
112130438
Publisher
Journal of Heterocyclic Chemistry
Year
1992
Tongue
English
Weight
300 KB
Volume
29
Category
Article
ISSN
0022-152X

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Cycloaddition reactions of 1.3-benzothia
Cycloaddition reactions of 1.3-benzothiazines v synthesis of new tetracyclic ring systems
✍ Lajos Fodor; János Szabó; Gábor Bernáth; Pál Sohár 📂 Article 📅 1984 🏛 Elsevier Science 🌐 French ⚖ 266 KB

New tetracyclic derivatives (a;k, 5, 8) similar to protoberberinee, but containing a lactam structural element and other hetero atoms besides the bridgehead nitrogen in rings B and C, were prepared by cycloaddttion of 6,7-dimethoxy--2&1,3-benzothiazine (la) with q-substituted aromatic carboxylic aci

Synthesis of 2,4-difuryl-4H-3,1-benzothi
Synthesis of 2,4-difuryl-4H-3,1-benzothiazines via a furan ring migration reaction
✍ Vladimir T. Abaev; Fatima A. Tsiunchik; Alexander V. Butin; Andrey V. Gutnov 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 521 KB

## Abstract magnified image A new simple synthetic approach to 2,4‐difuryl‐4__H__‐3,1‐benzothiazines from 2‐isothiocyanoaryldifuryl‐methanes in the presence of acidic catalyst is described. This rearrangement is a new example of furan ring migration reaction resulting from intramolecular attack wi

Thermolytic ring closure reactions of 4-
Thermolytic ring closure reactions of 4-azido-3-phenylsulfanyl-and 4-azido-3-phenylsulfonyl-2-quinolones to 12H-quinolino-[3,4-b][1,4]benzothiazin-6(5H)-ones
✍ Anna E. Täubl; Klaus Langhans; Thomas Kappe; Wolfgang Stadlbauer 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 61 KB

## Abstract 4‐Hydroxy‐3‐phenylsulfanyl‐2‐quinolones 2 and 4‐hydroxy‐3‐sulfonyl‐2‐quinolones **7**, which are readily accessible from 4‐hydroxy‐2‐quinolones 1 and diphenyldisulfide or thiophenol, can be converted to 4‐azido‐3‐phenylsulfanyl‐2‐quinolones 10 or 4‐azido‐3‐phenylsulfonyl‐2‐quinolones **