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Microwave-Assisted Synthesis of Diaryl Ethers without Catalyst

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journal contribution
posted on 14.05.2003, 00:00 by Feng Li, Quanrui Wang, Zongbiao Ding, Fenggang Tao
Diaryl ethers have been prepared by direct coupling of phenols including those that bear a strong electron-attracting substituent to electron-deficient aryl halides through SNAr-based addition reactions with assistance of microwave irradiation in high to excellent yields within 5−10 min. No catalysts were required under our conditions.