Journal
ORGANIC LETTERS
Volume 21, Issue 24, Pages 9860-9863Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b03740
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Funding
- NSFC [21871043, 21961130376]
- Department of Science and Technology of Jilin Province [20180101185JC, 20190701012GH]
- Fundamental Research Funds for the Central Universities [2412019ZD001]
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The synthesis of alkyl gem-difluoroalkenes remains a difficult task in organic synthesis. Here, we report a general and efficient approach for tackling this problem by gem-difluoroolefination of trifluoroacetaldehyde N-triftosylhydrazone with organoboronic acids. This protocol is operationally simple, free of transition metals, and suitable for a broad range of organoboronic acids. Moreover, the utility of the products was demonstrated by further conversion of the gemdifluorovinyl group.
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