A series of chiral bifunctional phosphinothioureas derived from l-amino acids have been developed to promote the enantioselective intramolecular Morita–Baylis–Hillman reaction. The process afforded the cyclic hydroxyl enones with up to 84% ee and good yields under mild conditions.
已经开发了一系列衍生自l-
氨基酸的手性双功能膦
硫脲,以促进对映选择性分子内Morita-Baylis-Hillman反应。该方法在温和条件下提供了高达84%ee的环状羟基烯酮和良好的收率。