Direct functionalization at the boron center of antiaromatic chloroborole

Abstract

The presence of a reactive B–Cl bond allowed for the direct functionalization of the boron center in antiaromatic chloroborole ClBC₄Ph₄, thus allowing for a selective fine tuning of the optical properties of borole derivatives and facilitating a potential new approach toward the introduction of borole moieties into the backbone of organic π-conjugated frameworks.