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. 2014 Nov 24;53(48):13234-8.
doi: 10.1002/anie.201408555. Epub 2014 Sep 29.

Rhodium(III)-catalyzed transannulation of cyclopropenes with N-phenoxyacetamides through C-H activation

Hang Zhang  1 , Kang Wang, Bo Wang, Heng Yi, Fangdong Hu, Changkun Li, Yan Zhang, Jianbo Wang
Affiliations

Rhodium(III)-catalyzed transannulation of cyclopropenes with N-phenoxyacetamides through C-H activation

Hang Zhang et al. Angew Chem Int Ed Engl. .

Abstract

An efficient rhodium(III)-catalyzed synthesis of 2H-chromene from N-phenoxyacetamides and cyclopropenes has been developed. The reaction represents the first example of using cyclopropenes as a three-carbon unit in rhodium(III)-catalyzed C(sp(2))-H activations.

Keywords: CH activation; carbenes; heterocycles; rhodium; small ring compounds.

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