Highly diastereoselective synthesis of borylcyclopropanes by copper-catalyzed borylcyclopropanation of alkenes with enynones

Key Points

• To develop a selective method for synthesizing borylcyclopropanes using copper catalysts.
• Utilized copper-catalyzed borylcyclopropanation
• Employed α-furyl boryl copper carbenes generated from BMIDA-terminated enynones
• Explored various alkene substrates
• Achieved moderate to excellent yields of borylcyclopropanes
• Demonstrated high diastereoselectivity in the synthesis
• Expanded the range of accessible borylcyclopropanes