1,4-Diborylated allenes

One-step stereospecific synthesis

Direct construction of allene scaffolds bearing two boronate groups via copper-catalyzed diborylation of 1,3-enynes with excellent regio- and stereoselectivity.

Jian, Wujun · Chiou, Mongfeng · Li, Yajun · Bao, Hongli · Yang, Song

Chinese Chemical Letters 2024

Advantages

good to excellent yields

base-free conditions

Bpin convertible to BF3K