Journal
SYNOPEN
Volume 4, Issue 2, Pages 17-22Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0040-1707517
Keywords
iron-catalyzed; thiolation; imidazo[1,2-a]pyridine; thiols; anticancer activity
Categories
Funding
- Natural Science Foundation of Guangdong Province [2017A030310021]
- Science and Technology Program of Guangdong Province [2017A050506027, 2017B090912005]
- Science and Technology Program of Guangzhou [201807010053]
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A novel and efficient iron(III)-catalyzed regioselective C-3 sulfenylation of imidazo[1,2-a]pyridines with thiols under oxygen atmosphere has been developed. The reaction proceeds in moderate to good yields with a broad range of substrates, providing a novel, efficient and green route for accessing synthetically useful C3-sulfenated imidazo[1,2-a]pyridines. Moreover, the fluoride-containing C3-sulfenated imidazo[1,2-a]pyridine 3ai exhibited superior anticancer activity and good safety profiles.
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