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A new mesoporous silica supported palladium imino-pyridine complex was successfully prepared by attaching palladium acetates to a novel imino-pyridine ligand functionalized MCM-41. The as-prepared catalyst was characterized by ICP-AES, XRD, FTIR, SEM, and TEM. It was found to be an efficient catalyst for Suzuki–Miyaura coupling reactions in aqueous medium. The reactions of various aryl bromides with...
A full study of the synthesis of chiral, bridged resorcinarenes (3a–3l, 13a, 13b) is presented using Mannich condensation of C 2v -tetraprotected resorcinarenes with chiral 1,n-diamines bearing homochiral α-methylbenzyl auxiliaries at each terminal nitrogen. The study has revealed the methodology to be applicable to preparing a broad range of bridged structures with varying lengths of bridge,...
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