## Abstract 2,3‐Dimethylenecephalosporin esters 1 undergo Diels‐Alder reaction with ethyl methacrylate and __O__‐ethyl __S__‐methyl dithiooxalate. The structure of the former reaction product 3a is in accordance with ^1^H‐NMR data as well as with theoretical considerations (FMO, MMX)
Anomalous Diels-alder reactions of 2-methyl-3-vinylbenzo[b]thiophen
✍ Scribed by W.H. Cherry; J.T. Craig; Q.N. Porter; H.G. Upstill; S. Sternhell
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- French
- Weight
- 134 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Whereas 3-rinylbento[dthiophen give6 nornal adduotm with a variety of dieno-_. philesTg4 including tetraoyanoethylene (TCNB)? the P-methyl compound (I) giros
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