Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 77, Issue 17, Pages 7526-7537Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jo301332s
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Funding
- National Institutes of Health (NIH) [GM58160]
- Croucher Foundation (Hong Kong)
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A copper(11)-catalyzed oxidative cyclization of enamides to oxazoles via vinylic C-H bond functionalization at room temperature is described. Various 2,5-disubstituted oxazoles bearing aryl, vinyl, alkyl, and heteroaryl substituents could be synthesized in moderate to high yields. This reaction protocol is complementary to our previously reported iodine-mediated cyclization of enamides to afford 2,4,5-trisubstituted oxazoles.
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