Synthesis of 4,5-dihydro-1H,3H-thieno[3,4-c]thiophene and 4,5-dihydro-1H,3H-thieno[3,4-c]furan
✍ Scribed by Jean-Louis Ripoll; Yannick Vallée; Mohamed Khalid; Abdelhak Hakiki
- Book ID
- 112130532
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1992
- Tongue
- English
- Weight
- 163 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0022-152X
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract Die in 3,3′‐Stellung substituierten Di‐2‐propinyläther 1 reagieren in Anwesenheit von Tris(tri‐ phenylphosphin)rhodium(I)‐chlorid oder Bis(triphenylphosphin)nickel(O)‐dicarbonyl mit Acetylenen zu den 1,3‐Dihydroisobenzofuranen (3a‐ e). Die Umsetzung des Bis(3‐phenyl‐ 2‐propinyl)athei‐s
## Abstract The ring closure reaction of methyl 2,3‐bis(chloromethyl)thiophene‐5‐carboxylate with several primary amines gives a series of 5,6‐dihydro‐4__H__‐thieno‐[2,3‐__c__]pyrroles. Oxidation of some of these dihydro compounds, using aqueous hydrogen peroxide in methanol, furnishes the correspo