High initial molecular turnover frequencies (up to 14 800 h−1) for coupling of CO2 with epoxides in conjunction with nBu4NI, and excellent yields under mild conditions (1 bar pCO2, 45 °C) have been achieved for rigidly-linked bimetallic catalysts featuring cofacial Zn–salphen units.
在刚性连接的双
金属催化剂中,利用
nBu
4NI与
环氧化物偶联反应的初始分子转化频率高达14,800 h
−1,在温和条件下(1大气压
pCO2,45°C)取得了优异的产率,具有共面Zn-salphen单元。