Beiträge zur Chemie schwefelhaltiger Heterocyclen, 4. Mitt.: 6H-Benz[b]indeno[1,2-d]thiophen und 10H-Benz[b]indeno-[2,1-d]thiophen
✍ Scribed by F. Sauter; A. Dzerovicz
- Publisher
- Springer Vienna
- Year
- 1969
- Tongue
- English
- Weight
- 130 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0026-9247
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## Abstract Several syntheses of 4,5‐dihydro‐10 __H__‐benzo[5,6]‐cyclohepta[1, 2‐__b__]thiophen‐10‐one (I b) are described. The pharmacological properties of the compounds XIII, which derive from IB through basic substitution on position 10, are briefly mentioned.
The title compound, C 28 H 26 N 4 O 7 , (I) crystallizes with two molecules in the asymmetric unit. It is a glycoluril derivative with five fused rings. A phenylethynyl-substituted benzene ring is fused to a seven-membered ring, which binds two of the N atoms from separate rings of the glycoluril sy