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Chemistry. 2013 May 10;19(20):6239-44. doi: 10.1002/chem.201300155. Epub 2013 Mar 28.

A general method to diverse cinnolines and cinnolinium salts.

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  • 1Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, West China Medical School, Sichuan University, 29 Wangjiang Road, Chengdu 610064, PR China.

Abstract

Rhodium catalysis: A highly efficient and general method has been established to prepare cinnolines, cinnolinium salts, and polycyclic cinnolinium salts through the rhodium(III)-catalyzed oxidative C-H activation/cyclization of azo compounds with alkynes (see scheme). Key features of this methodology include the unprecedented capacity to create both cinnoline and cinnolinium frameworks.

Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

PMID:
23553746
[PubMed - indexed for MEDLINE]
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