Preparation of Chiral Multifunctional Thiourea-Phosphanes and Synthesis of Chiral Allylic Phosphites and Phosphane Oxides through Asymmetric Allylic Substitution Reactions of Morita-Baylis-Hillman Carbonates

We developed a synthetic method to prepare chiral multifunctional thiourea-phosphane catalysts for the asymmetric allylic substitution reaction of Morita-Baylis-Hillman carbonates with diphenyl phosphite or diphenylphosphane oxide to give allylic phosphites and allylic phosphane oxides in high yields with excellent enantioselectivity.