The atropo-enantioselective ring-opening of biaryl lactones with methanol was catalyzed by an optically active AgBF4–phosphine complex to afford axially chiral biaryl compounds. The addition of triisobutylamine provided a dramatic rate acceleration in the reaction. Various types of axially chiral biaryl compounds were obtained with high enantioselectivity.
光学活性的
AgBF4-膦络合物催化联芳基内酯与
甲醇的对映选择性开环,得到轴向手性联芳基化合物。三
异丁胺的添加显着加速了反应速率。得到了各种类型的具有高对映选择性的轴向手性联芳基化合物。