Tributylphosphine or dimethylphenylphosphine (1-5 mol%) catalyzed the Morita-Baylis-Hillman reaction of 2-cyclopenten-1-one (1) with 1.2 equivalents of formalin proceeded nicely to give 2-hydroxymethyl-2-cyclopenten-1-one (2) within a short period and in an excellent yield. The efficiency of the reaction (yield and time) was strongly dependent on the solvent and the best result was obtained in the case of an aqueous MeOH-CHCl3 solvent system.
三丁基膦或二甲基
苯基膦(1-5 mol%)催化2-
环戊烯-1-酮(1)与1.2当量
福尔马林的Morita-Baylis-Hillman反应顺利进行,得到2-羟甲基-2-
环戊烯-1-酮( 2) 周期短、产量高。反应效率(产率和时间)很大程度上取决于溶剂,在含
水 MeOH-
CHCl3 溶剂系统的情况下获得最佳结果。