Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 19, Issue 2, Pages 375-378Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ob02210a
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Funding
- National Natural Science Foundation of China [21801007]
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A general copper-catalyzed radical cascade carbocyclization reaction was successfully used to obtain structurally diverse CF3-containing tetracyclic core benzimidazo[2,1-a]isoquinoline-6(5H)-ones. The method demonstrates good substrate scope, functional group tolerance, and ease of scale-up, making it potentially valuable for applications in pharmacy and biotechnology.
Here, a general copper-catalyzed radical cascade carbocyclization reaction with 2-arylbenzoimidazoles and a Togni reagent was realized. Structurally diverse CF3-containing tetracyclic core benzimidazo[2,1-a]isoquinoline-6(5H)-ones were obtained in moderate to good yields. The wide substrate scope, good functional group tolerance, and ease of scale-up of this method are expected to promote its potential applications in pharmacy and biotechnology.
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