Synthesis and characterization of dimers, trimers, and tetramers of 3,6-Dimethylthieno[3,2-b]thiophene and 3,6-Dimethylselenolo[3,2-b]selenophene
โ Scribed by Juzo Nakayama; Haibiao Dong; Kanji Sawada; Akihiko Ishii; Shigekazu Kumakura
- Book ID
- 103401550
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 906 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0040-4020
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A series of the title compounds were prepared for evaluation as inhibitors of carbonic anhydrase II. Oxidation of 5-substituted thieno[2,3-b]thiophene-2-sulfonamides provided the first examples of thiophene[2,3-b]thiophene-2-sulfonamide 6,6-dioxides. These cyclic vinyl sulfones readily underwent add