methyl acrylate utilizing a chiral Zn(II)/Mg(II) bimetallic template with low catalyst loading was successfully achieved. The bimetallic Lewis acid template derived from (R)-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-bi-2-naphthol catalyzed the Diels–Alder reaction in the presence of molecular sieves 4 Å to afford various functionalized bicyclic γ-lactones with high enantiomeric purities.
利用手性低负载量的Zn(II)/ Mg(II)手性双
金属模板成功实现了2,4-二烯醇和
丙烯酸甲酯的不对称Diels-Alder反应。衍生自(R)-5,5',6,6',7,7',8,8'-八氢-1,1'-bi-
2-萘酚的双
金属
路易斯酸模板催化Diels-Alder反应
分子筛4Å的存在可提供具有高对映体纯度的各种功能化双环γ-内酯。