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Copper catalyzed room temperature lactonization of aromatic C-H bond: a novel and efficient approach for the synthesis of dibenzopyranones
Journal article   Peer reviewed

Copper catalyzed room temperature lactonization of aromatic C-H bond: a novel and efficient approach for the synthesis of dibenzopyranones

Raju Singha, Shubhendu Dhara, Munmun Ghosh and Jayanta K. Ray
RSC advances, Vol.5(12), pp.8801-8805
01/01/2015
DOI: https://doi.org/10.1039/c4ra13665a

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
We have developed a novel and efficient methodology for the intramolecular aryl C-H oxidative lactonization of 2-arylbenzaldehyde using a low-cost CuCl catalyst and TBHP as the oxidant at room temperature. We applied the methodology to the synthesis of a series of dibenzopyranones.

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