Fast, efficient, and highly stereoselectiveepoxidation with H2O2 is reached by manganese coordination complexes with e-rich aminopyridine tetradentate ligands. It is shown that the electronic properties of these catalysts vary systematically with the stereoselectivity of the O-atom transfer event and exert fine control over the activation of hydrogenperoxide, reducing the amount of carboxylic acid
锰配位配合物与富含e的氨基吡啶四齿配体可实现H 2 O 2的快速,高效和高度立体选择性环氧化。结果表明,这些催化剂的电子性能随O原子转移事件的立体选择性而系统地变化,并且对过氧化氢的活化进行了精细控制,从而减少了有效操作所需的羧酸助催化剂的量。