Cu-catalyzed regioselective borylative cyclization of silicon-bridged allenyl bromides: toward 4-silacyclohexenyl boronates

Key Points

• The borylative cyclization yields 4-silacyclohexenyl boronates efficiently, expanding reaction scope.
• Yielding 78% of the desired product, the process demonstrates a significant advantage in regioselectivity.
• This study employs a catalytic method using copper to facilitate the reaction of silicon-bridged compounds effectively.
• Implications highlight potential for improved synthetic strategies in boronate chemistry and materials science.