(2S)-2-[2-(trifluoromethyl)phenyl]pyrrolidine 、 N-{3-nitro-4-[(oxan-4-ylmethyl)amino]benzenesulfonyl}-4-{2-oxo-7-azaspiro[3.5]nonan-7-yl}-2-[(11R,15S)-4-{[2-(trimethylsilyl)ethoxy]methyl}-13,16-dioxa-2,4,10-triazatetracyclo[7.7.0.0
^{3,7}.0
^{11,15}]hexadeca-1(9),2,5,7-tetraen-10-yl]benzamide 在
三乙酰氧基硼氢化钠 作用下,
以
二氯甲烷 为溶剂,
以81.9%的产率得到N-{3-nitro-4-[(oxan-4-ylmethyl)amino]benzenesulfonyl}-4-{2-[(2S)-2-[2-(trifluoromethyl)phenyl]pyrrolidin-1-yl]-7-azaspiro[3.5]nonan-7-yl}-2-[(11R,15S)-4-{[2-(trimethylsilyl)ethoxy]methyl}-13,16-dioxa-2,4,10-triazatetracyclo[7.7.0.0
^{3,7}.0
^{11,15}]hexadeca-1(9),2,5,7-tetraen-10-yl]benzamide