3-(2,3-diphenyl-2-cyclopropenylidene)-2,4-pentanedione 、
thiazolium N-dicyanomethylide 以
四氢呋喃 为溶剂,
反应 96.0h,
以94%的产率得到rac-(1R,2a1S,3S,4aS,7aR,8S)-7-acetyl-6-methyl-1,8-diphenyl-2a1,4a-dihydro-3H-5-oxa-4-thia-2a-aza-1,3,7a-(epimethanetriyl)cyclopenta[cd]indene-2,2(1H)-dicarbonitrile