Ding Hanfeng, Ma Cheng, Yang Yewei, Wang Yanguang
Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
Org Lett. 2005 May 26;7(11):2125-7. doi: 10.1021/ol050492q.
[reaction: see text]. An unexpected 1-methylimidazole-catalyzed reaction of dimethyl acetylenedicarboxylate (DMAD) with in situ generated arylketenes leading to the synthesis of dimethyl 2-arylidenesuccinates under mild conditions is described. A plausible mechanism has been proposed.
[反应:见正文]。描述了一种意外的1-甲基咪唑催化的乙炔二甲酸二甲酯(DMAD)与原位生成的芳基烯酮的反应,该反应在温和条件下可合成2-芳基亚甲基琥珀酸二甲酯。已提出了一种合理的反应机理。