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A facile synthesis of some pyrazolo[1,5-b] -1,2,4-benzothiadiazepin 5(4H)ones 10,10-dioxides. A new ring system

✍ Scribed by S. Plescia; P. Agozzino; I. Fabra


Book ID
112125190
Publisher
Journal of Heterocyclic Chemistry
Year
1977
Tongue
English
Weight
87 KB
Volume
14
Category
Article
ISSN
0022-152X

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4,10a-(Epidithio)-4,4a,10,10a-tetrahydro
✍ Sandra Kolly; Hansrudolf Meier; Grety Rihs; Tammo Winkler πŸ“‚ Article πŸ“… 1988 πŸ› John Wiley and Sons 🌐 German βš– 388 KB

The 4,4',6,6'-tetrasubstituted 2,2'-alkylidene-bisphenols 1 reacted with sulfur monochloride to give 4, IOa-(epi-dithi0)-4,4a,lO, 1Oa-tetrahydro-lH-5-oxaanthracen-I-ones (3 and 4). The structures of the products were elucidated by a combination of X-ray crystal-structure analysis and 'Hand "C-NMR sp