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Synthesis of a molecularly defined single-active site heterogeneous catalyst for selective oxidation of N-heterocycles.

Abstract：

:Generally, a homogeneous catalyst exhibits good activity and defined active sites but it is difficult to recycle. Meanwhile, a heterogeneous catalyst can easily be reused but its active site is difficult to reveal. It is interesting to bridge the gap between homogeneous and heterogeneous catalysis via controllable construction of a heterogeneous catalyst containing defined active sites. Here, we report that a molecularly defined, single-active site heterogeneous catalyst has been designed and prepared via the oxidative polymerization of maleimide derivatives. These polymaleimide derivatives can be active catalysts for the selective oxidation of heterocyclic compounds to quinoline and indole via the recycling of -C=O and -C-OH groups, which was confirmed by tracing the reaction with GC-MS using maleimide as the catalyst and by FT-IR analysis with polymaleimide as the catalyst. These results might promote the development of heterogeneous catalysts with molecularly defined single active sites exhibiting a comparable activity to homogeneous catalysts.

journal_name

Nat Commun

journal_title

Nature communications

authors

Zhang Y,Pang S,Wei Z,Jiao H,Dai X,Wang H,Shi F

doi

10.1038/s41467-018-03834-4

subject

Has Abstract

pub_date

2018-04-13 00:00:00

pages

1465

issue

1

issn

2041-1723

pii

10.1038/s41467-018-03834-4

journal_volume

9

pub_type

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