13432-42-3Relevant articles and documents
Cycloaddition of Diphenylcyclopropenone with Carboximidate, Carboximidamide, and Carboximidothioate
Yoshida, Hiroshi,Sogame, Shingo,Bando, Shoichi,Nakajima, Shosuke,Ogata, Tsuyoshi,Matsumoto, Kiyoshi
, p. 3849 - 3850 (1983)
The reaction of diphenylcyclopropenone with R1N=C(R2)X (2) (R1, R2=alkyl, aryl, X=MeO, EtO, MeS, or Me2N) gave 2-pyrrolin-4-one (3) in good yield.The less reactive carboximidothioate (2, R1=4-MeC6H4, R2=Ph, X=MeS) yielded isomeric 3-pyrrolin-2-one together with 3.