(7R,8S)-8-(tert-Butyl-dimethyl-silanyloxy)-4-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-7-[(S)-1-(9H-fluoren-9-ylmethoxycarbonyl)-2-methyl-propylamino]-7,8-dihydro-quinoline-2-carboxylic acid tert-butyl ester 在
B-溴代邻苯二氧硼烷 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以79%的产率得到(7R,8S)-8-(tert-Butyl-dimethyl-silanyloxy)-4-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-7-[(S)-1-(9H-fluoren-9-ylmethoxycarbonyl)-2-methyl-propylamino]-7,8-dihydro-quinoline-2-carboxylic acid