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Manganese(III)-based reaction of 1,1-diarylethenes and 2,3-pyrrolidinediones. a simple route to 4-ethenyl- and 4-ethyl-2,3-pyrrolidinedione derivatives

Nguyen Van Ha, Le Thi My Trinh


2,3-Pyrrolidinediones reacted with manganese(III) acetate dihydrate in the presence of 1,1-diarylethenes to give 4-(2,2-diaryl)ethenyl-2,3-pyrolidinediones and/or 4-(2-acetoxy-2,2-diaryl)ethyl-2,3-pyrrolidinediones in good yields.  The distribution of reaction products depended on the nature of 4-substituent on benzene ring of the 1,1-diarylethene used.  The reaction mechanism is discussed.


Manganese(III) oxidation, 2,3-Pyrrolidinediones, 1,1-Diarylethenes, new 2,3-Pyrrolidinedione derivatives

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