(S)-tert-butyl 1-(1-((1R,1'R,3r,3'R,5S,5'S,7R)-7-methyl-[3,9'-bi(9′-azabicyclo[3.3.1]nonan)]-3'-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidine-2-carboxylate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以27.9%的产率得到(S)-1-(1-((1R,1'R,3r,3'R,5S,5'S,7R)-7-methyl-[3,9'-bi(9'-azabicyclo[3.3.1]nonan)]-3'-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidine-2-carboxylic acid