N-allyl-4-methyl-N-(3-(phenylsulfonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pent-4-en-1-yl)benzenesulfonamide 在
Hoveyda-Grubbs catalyst second generation 、
对苯醌 作用下,
以
甲苯 为溶剂,
反应 24.0h,
以93%的产率得到4-(phenylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-2,3,4,7-tetrahydro-1H-azepine