Trialkyl phosphines PMe and PEt catalyze the 1,2-cis-diboration of 1,3-butadiynes to give 1,2-diboryl enynes. The products were utilized to synthesize 1,1,2,4-tetraaryl enynes using a Suzuki-Miyaura protocol and can readily undergo proto-deborylation.
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| http://dx.doi.org/10.1002/chem.202401235 | DOI Listing |
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