4,4,5,5-tetramethyl-2-(4-methylsulfonylcyclohexen-1-yl)-1,3,2-dioxaborolane

2-(4-Methylsulfonylcyclohex-1-enyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane is a reactant used in the preparation of piperidine derivatives as selective estrogen receptor modulators (SERMs) for the potential treatment of uterine fibroids.