Phosphine-catalyzed 1,2-cis-diboration of 1,3-butadiynes.
Weipeng LiRobert RickerKa Lok ChanPak Fung LauNicklas W BuchbinderJohannes KrebsAlexandra FriedrichZhenyang LinWebster L SantosUdo RadiusTodd B MarderPublished in: Chemistry (Weinheim an der Bergstrasse, Germany) (2024)
Trialkyl phosphines PMe 3 and PEt 3 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.