PhI(OCOCF3)2-mediated ruthenium catalyzed highly site-selective direct ortho-C–H monoarylation of 2-phenylpyridine and 1-phenyl-1H-pyrazole and their derivatives by arylboronic acids

Ganapam Manohar Reddy; Naidu Samba Siva Rao; Ponnam Satyanarayana; H. Maheswaran

doi:10.1039/C5RA18402A

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PhI(OCOCF₃)₂-mediated ruthenium catalyzed highly site-selective direct ortho-C–H monoarylation of 2-phenylpyridine and 1-phenyl-1H-pyrazole and their derivatives by arylboronic acids†

Ganapam Manohar Reddy,^a Naidu Samba Siva Rao,^a Ponnam Satyanarayana^a and H. Maheswaran*^a

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^a Inorganic and Physical Chemistry Division, Indian Institute of Chemical Technology, Hyderabad, India
E-mail: maheswaran_dr@yahoo.com
Fax: +914027193510
Tel: +914027191532

Abstract

We report a concise, versatile, and practical method for PhI(OCOCF₃)₂ mediated direct ortho C–H monoarylation of 2-phenylpyridine and its derivatives and 1-phenyl-1H-pyrazoles via Ru catalyzed reaction. The significant advantage of this transformation is the creation of highly site selective C–C bond by using arylboronic acids as arylating agent under mild reaction conditions.

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Article information

DOI: https://doi.org/10.1039/C5RA18402A
Article type: Paper
Submitted: 09 Sep 2015
Accepted: 30 Nov 2015
First published: 14 Dec 2015

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RSC Adv., 2015,5, 105347-105352

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PhI(OCOCF₃)₂-mediated ruthenium catalyzed highly site-selective direct ortho-C–H monoarylation of 2-phenylpyridine and 1-phenyl-1H-pyrazole and their derivatives by arylboronic acids

G. M. Reddy, N. S. S. Rao, P. Satyanarayana and H. Maheswaran, RSC Adv., 2015, 5, 105347 DOI: 10.1039/C5RA18402A

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