反应详情

Using a procedure analogous to that used to prepare 2A, 9C (600 mg, 1.34 mmol) was reacted with 5,5′,5′-tetramethyl-[2,2′]bi[[1,3,2]dioxaborinanyl] to give 9D (625 mg, 97%) as a brown foam. MS (ESI) m/z 413.1 (M−H)− for free boronic acid.