Synthesis of silyliminophenolate zirconium compounds and their catalytic activity over lactide/epoxide
Silyliminophenolate precursors (1-4) were prepared by reactions between 3-aminopropyldiethoxymethysilane (3-APS) and salicylaldehyde, 3-methoxysalicylaldehyde, 4-hydroxysalicylaldehyde, and 5-bromosalicylaldehyde in 1:1 mole ratio in ethanol at room tempe