methyl 3-(3-(4-((1R,1'R,3r,3'R,5S,5'S)-[3,9,-bi(9'-azabicyclo[3.3.1]nonan)]-3'-yl)-3-oxo-3,4-dihydroquinoxalin-2-yl)-2-oxopyridin-1(2H)-yl)-2,2-dimethylpropanoate 在
水 、 sodium hydroxide 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以79%的产率得到3-(3-(4-((1R,1'R,3r,3'R,5S,5'S)-[3,9
,-bi(9'-azabicyclo[3.3.1]nonan)]-3'-yl)-3-oxo-3,4-dihydroquinoxalin-2-yl)-2-oxopyridin-1(2H)-yl)-2,2-dimethylpropanoic acid