Issue 65, 2017
From the journal:

Chemical Communications

Intramolecular ipso-arylative cyclization of aryl-alkynoates and N-arylpropiolamides with aryldiazonium salts through merged gold/visible light photoredox catalysis†

Avinash H. Bansode,ab   Samir R. Shaikh,c   Rajesh G. Gonnade ORCID logo c  and  Nitin T. Patil ORCID logo *d  

* Corresponding authors

a Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune – 411008, India
E-mail: n.patil@ncl.res.in

b Academy of Scientific and Innovative Research (AcSIR), New Delhi 110025, India

c Center for Materials Characterization, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune – 411008, India

d Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal Bypass Road, Bhauri, Bhopal – 462 066, India
E-mail: npatil@iiserb.ac.in

Abstract

A visible-light-promoted merged gold/photoredox catalyzed ipso-arylative cyclization has been reported. For instance, the reaction of aryl-alkynoates and N-arylpropiolamides with aryldiazonium salts in the presence of catalytic amounts of [(4-OCH3)C6H4]3PAuCl and Ru(bpy)3(PF6)2 under irradiation using a 32 W CFL bulb gave arylated spirocarbocycles in moderate to good yields.

Graphical abstract: Intramolecular ipso-arylative cyclization of aryl-alkynoates and N-arylpropiolamides with aryldiazonium salts through merged gold/visible light photoredox catalysis

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Article information

DOI
https://doi.org/10.1039/C7CC04010E
Article type
Communication
Submitted
24 May 2017
Accepted
24 Jul 2017
First published
28 Jul 2017

Chem. Commun., 2017,53, 9081-9084

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Intramolecular ipso-arylative cyclization of aryl-alkynoates and N-arylpropiolamides with aryldiazonium salts through merged gold/visible light photoredox catalysis

A. H. Bansode, S. R. Shaikh, R. G. Gonnade and N. T. Patil, Chem. Commun., 2017, 53, 9081 DOI: 10.1039/C7CC04010E

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