substituted benzyl alkynones. Essential for the achievement of high enantioselectivity during the key assembly of the naphto-3-ol unit is the use of TADDOL-derived α-cationic phosphonites as ancillary ligands. Preliminary results demonstrate that the transformation of the obtained binaphthyls into axially chiral monodentate phosphines is possible without degradation of enantiopurity.
据报道,从一系列取代的苄基
炔烃开始,具有高度的对映选择性(高达97%ee)的Au催化的Au催化
1,1'-联萘-2,3'
-二醇的合成。在
萘-3-醇单元的关键组装过程中实现高对映选择性的关键是使用TADDOL衍生的α-阳离子
亚膦酸酯作为辅助
配体。初步结果表明,所获得的联
萘可以转化为轴向手性单齿膦,而不会降低对映体纯度。