A practical synthetic method for the synthesis of vinyl sulfonyl fluorides through copper-promoted direct fluorosulfonylation has been developed. The reaction of the vinylboronic acids with DABSO and then NFSI is performed under mild reaction conditions. This transformation efficiently affords aryl or alkyl vinyl sulfonyl fluorides with good reaction yields, exclusive -configuration, broad substrate scope, excellent compatibility, and operational simplicity.
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http://dx.doi.org/10.1021/acs.orglett.4c00711 | DOI Listing |
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