Abstract
AbstractTwo novel [ONS]‐type tridentate Schiff base ligands were prepared and employed in the acylphosphonylation of aldehyde. Ligand L1 was derived from 2‐amino‐3‐methylbutane‐1‐thiol and 3,5‐di‐tert‐butyl salicylaldehyde, and L1/Ti(Oi‐Pr)4 exhibited moderate to good activities to produce α‐acyloxyphosphonate. Furthermore, the performance difference of L1 and the traditional [ONO]‐type tridentate Schiff base L3 coordinating with TiIV or AlIII was also investigated.
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