A general copper-catalyzed synthesis of diaryl ethers
JF Marcoux, S Doye, SL Buchwald
Index: Marcoux; Doye; Buchwald Journal of the American Chemical Society, 1997 , vol. 119, # 43 p. 10539 - 10540
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Citation Number: 387
Abstract
Diaryl ethers are useful intermediates in organic synthesis1 and are found in a large number of biologically active compounds. 2 The Ullmann ether synthesis3 has been extensively used for the formation of diaryl ethers. 4, 5 However, the harsh reaction conditions (125-220 C in neat phenol or solvents such as pyridine, collidine, or DMF), the usual requirement for stoichiometric (or greater) quantities of the copper complex, and the fact that unactivated ...
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