Recyclable Iridium Catalyst Supported on Porous Organic Polymer for Acceptorless Dehydrogenative Silylation: Synthesis of Ring‐Fused Oxasilacycles

The direct conversion of specific C−H bonds to C−Si bonds in alkanes or aromatics via catalytic methods has attracted growing research interest. Herein, we report the preparation of a new iridium catalyst supported on a naphthyridine‐based porous organic polymer and its successful application in the...

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Bibliographic Details
Published in:Advanced synthesis & catalysis 2024-04, Vol.366 (8), p.1763-1769
Main Authors: Xian, Jiayi, Sheng, Xing, Lin, Yi, Sun, Zhenning, Chen, Chaohan, Zhou, Kun, Peng, Chao, Li, Bin, Chen, Xiuwen, Xie, Feng
Format: Article
Language:English
Subjects:
Addition polymerization
Alkanes
Catalysts
Chemical synthesis
Dehydrogenation
dehydrogenative silylation
Direct conversion
Functional groups
heterogeneous catalysis
Iridium
iridium catalyst
oxasilacycles
Polymers
Porous organic polymer
Silicon
Substrates
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Summary:The direct conversion of specific C−H bonds to C−Si bonds in alkanes or aromatics via catalytic methods has attracted growing research interest. Herein, we report the preparation of a new iridium catalyst supported on a naphthyridine‐based porous organic polymer and its successful application in the dehydrogenative silylation of 2‐arylphenols or alcohol and hydrosilanes to access ring‐fused oxasilacycles. The synthetic method exhibits broad substrate scope and good functional group compatibility while avoiding the use of hydrogen acceptors. In addition, this organic polymer supported iridium catalyst could be easily recovered from the reaction system and reused for at least seven times without apparent deactivation. This research provides new insights for the further design of heterogeneous nanocatalysts and contributes to the synthesis of silicon‐substituted functional molecules.
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.202400028