Novel and efficient synthesis of symmetrical functionalized biaryls using zinc and triethylammonium formate

Abiraj, K. and Srinivasa, G. R. and Gowda, D. C. (2004) Novel and efficient synthesis of symmetrical functionalized biaryls using zinc and triethylammonium formate. Synlett (5). pp. 877-879. ISSN 0936-5214

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Official URL: DOI: 10.1055/s-2004-817783

Abstract

Reductive homocoupling of aryl halides in the presence of commercial zinc dust and triethylammonium formate in methanol produces biaryls in good to excellent yields. Aryl halides having either electron-donating or electron -withdrawing groups underwent smooth coupling to afford the corresponding symmetrical biaryls. The reductive coupling did not occur without triethylammonium formate. Addition of one equivalent of sodium hydroxide enhanced the coupling reaction rate. The commercial zinc dust is inexpensive, widely available and can be used without any auxiliary catalysts such as Pd(0) and/or Ni(0).

Item Type: Article
Uncontrolled Keywords: aryl halides; homocoupling; zinc; triethylammonium formate; biaryls
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: lpa venkatesh user
Date Deposited: 30 Aug 2019 07:15
Last Modified: 30 Aug 2019 07:15
URI: http://eprints.uni-mysore.ac.in/id/eprint/6597

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