Porous Aromatic Framework Covalently Embedded with N‐Hydroxyphthalimide as Metal‐free Heterogeneous Catalyst for Highly Efficient and Selective Aerobic Oxidation

Author:

Fan Tao1,Wang Man1,Yin Ying1,Fang Lei1,Xu Hui1,Wu Guocai1,Li Liangchun1ORCID

Affiliation:

1. Shanghai Key Lab of Chemical Assessment and Sustainability School of Chemical Science and Engineering Tongji University 200092 Shanghai P. R. China

Abstract

AbstractIdeal catalysts with all‐around advantages including high efficiency and selectivity, environment‐benign and good recyclability, etc. have been long‐sought yet challenging. Herein, the stable porous aromatic framework covalently embedded with N‐Hydroxyphthalimide (NHPI) organocatalytic site was constructed to establish an ideal catalytic system. The synthesized PAF‐NHPI catalyst was demonstrated to be metal‐free, highly efficient, selective, recyclable and heterogeneous for the aerobic oxidation of various alcohols, aldehydes, olefins, and hydrosilanes (totally 66 examples). As a proof‐of‐concept, the continuous PAF‐NHPI packed bed reactor achieved persistent conversion of 1‐phenylethanol to acetophenone up to 95 % yield. This work provides the inspiration for developing ideal catalysts in practical production of fine chemicals.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Publisher

Wiley

Subject

Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Catalysis

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