The reaction of dilithiated 1,1-diphenylallene with aryl ketones provides a convenient access to novel 1,1-bis(hydroxymethyl)allenes, which undergo Friedel–Crafts-type domino reactions upon treatment with TsOH.
二
锂化的 1,1-二苯甲烯与芳基酮的反应为获得新型 1,1-双(羟甲基)烯烃提供了便利,这种烯烃在与 TsOH 反应后会发生 Friedel-Crafts 型多米诺反应。