Diels-Alder reactions of 2,3-dimethylenecephalosporins

✍ Scribed by Gunda, Tamas E. ;Kövér, Katalin E.

• Publisher: John Wiley and Sons
• Year: 1991
• Tongue: English
• Weight: 223 KB
• Volume: 1991
• Category: Article
• ISSN: 0947-3440
• DOI: 10.1002/jlac.1991199101231

✦ Synopsis

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)