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Synthesis 2014; 46(03): 343-347
DOI: 10.1055/s-0033-1338568
DOI: 10.1055/s-0033-1338568
paper
NIS-Mediated Oxidative Lactonization of 2-Arylbenzoic Acids for the Synthesis of Dibenzopyranones under Metal-Free Conditions
Further Information
Publication History
Received: 10 October 2013
Accepted after revision: 11 November 2013
Publication Date:
02 December 2013 (online)
Abstract
A series of dibenzopyranones were synthesized from 2-arylbenzoic acids by a radical oxidative cyclization procedure mediated by N-iodosuccinimide (NIS). The methodology is distinguished by its practicality in terms of its wide substrate scope, good functional group tolerance, and mild reaction conditions without the use of transition metals.
Supporting Information
- for this article is available online at http://www.thieme-connect.com/ejournals/toc/synthesis.
- Supporting Information
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