## Abstract 2,3‐Dihydrothiophene 1,1‐dioxide (‘2‐sulfolene’) reacted with tosylmethyl isocyanide (TsMIC) in the presence of a base to give the hitherto unknown 3,5‐dihydro‐2__H__‐thieno[2,3‐__c__]pyrrole 1,1‐dioxide (‘__β′__‐sulfolenopyrrole’) from the expected cyclocondensation. A serendipitous fo
Synthesis of 2,2-Dimethyl-1,2-Dihydro-3H-pyrrol-3-one Preliminary Communication
✍ Scribed by Jan Patjens; Ramin Ghaffari-Tabrizi; Paul Margaretha
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- German
- Weight
- 160 KB
- Volume
- 69
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract On irradiation (λ = 366 nm), the 4‐thia‐2‐cyclopentenone **3a** behaves in complete analogy to the oxa‐enone **3c** undergoing regio‐ and stereospecific cyclodimerization, regiospecific cycloaddition with 2‐methylpropene and cycloaddition with 2,3‐dimethyl‐2‐butene to afford cyclobutane
## Abstract Acylation of 2,5‐dihydro‐2,2‐dimethyl‐1,3‐thiazoles leads to 3‐acyl‐2,3‐dihydro‐2,2‐dimethyl‐1,3‐thiazoles as potential starting materials for the total synthesis of racemic cephalosporins.
## Abstract On acetone‐sensitized irradiation the title compounds **3a–c** are converted to 2‐allyl‐3‐hydroxy‐1__H__‐pyrrole‐2‐carboxylates **4** in reasonable yields.