Fig. 1: Functional groups effect in hydrosilylations of internal alkynes.
From: Harnessing the β-boron effect for regioselective Ru-catalyzed hydrosilylation of internal alkynes

A metal-catalyzed hydrosilylation of internal alkynes. B traditional strategies for solving regioselectivity problems. C β-boron effect-enabled regioselective functionalizations of alkynes.