Allyl-[1-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pent-4-enyl]-carbamic acid tert-butyl ester 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以58%的产率得到2-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3,4,7-tetrahydro-azepine-1-carboxylic acid tert-butyl ester