Cost Efficient Synthesis of Diaryl Ethers Catalysed by CuI, Imidazolium Chloride and Cs 2 CO 3 | Zendy

Paul Sudeep | Zendy; Joy Bony P. | Zendy; Rajendran Rajarajan | Zendy; Gudimetla Vittal B. | Zendy

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Cost Efficient Synthesis of Diaryl Ethers Catalysed by CuI, Imidazolium Chloride and Cs 2 CO 3

Author(s) -

Paul Sudeep,

Joy Bony P.,

Rajendran Rajarajan,

Gudimetla Vittal B.

Publication year - 2019

Publication title -

chemistryselect

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 34

ISSN - 2365-6549

DOI - 10.1002/slct.201900473

Subject(s) - catalysis , chemistry , aryl , chloride , carbonate , iodide , ligand (biochemistry) , copper , phenols , caesium , polymer chemistry , organic chemistry , alkyl , biochemistry , receptor

Synthetically versatile imidazolium chlorides, especially 1,3‐bis‐(2,6‐diisopropylphenyl)‐imidazolium chloride (IPrHCl) along with copper (I) iodide and cesium carbonate, were found to be useful to form C−O bonds via coupling of phenols and aryl/heteroaryl bromides. In this catalysis, the metal:ligand (Cu:IPr) loading was optimised to 1.0 mol%, making it an inexpensive and a simple one pot catalytic route for synthesising a variety of diaryl ethers. The catalytic cycle was probed by UV‐Vis, FT‐IR and HRMS techniques confirming involvement of a copper‐imidazolium‐carbonate complex.

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