Pd NPs-Loaded Homochiral Covalent Organic Framework for Heterogeneous Asymmetric Catalysis

We herein report the fabrication of a palladium nanoparticles (Pd NPs) loaded homochiral covalent organic framework using S-(+)-2-methyl­pipera­zine and cyanuric chloride (Pd@­CCOF-MPC) (2) via a very facile chemical approach. The chiral COF support of 1 (CCOF-MPC) is synthesized by the combination...

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Bibliographic Details
Published in:Chemistry of materials 2017-08, Vol.29 (15), p.6518-6524
Main Authors: Ma, Hui-Chao, Kan, Jing-Lan, Chen, Gong-Jun, Chen, Cheng-Xia, Dong, Yu-Bin
Format: Article
Language:English
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Summary:We herein report the fabrication of a palladium nanoparticles (Pd NPs) loaded homochiral covalent organic framework using S-(+)-2-methyl­pipera­zine and cyanuric chloride (Pd@­CCOF-MPC) (2) via a very facile chemical approach. The chiral COF support of 1 (CCOF-MPC) is synthesized by the combination of cyanuric chloride and S-(+)-2-methyl­pipera­zine at 90 °C for 36 h, and the Pd NPs-loaded Pd@­CCOF-MPC (2) is prepared via sequential solution impregnation and NaBH4 reduction at room temperature. 2, as a highly active reusable asymmetric heterogeneous composite catalyst, is able to effectively promote the Henry reaction and reductive Heck reaction in high yield with excellent stereoselectivity.
ISSN:0897-4756
1520-5002
DOI:10.1021/acs.chemmater.7b02131