6-甲基-2-吡啶甲醛 、 (R)-N-[(1S,2R)-2-hydroxyindan-1-yl]-3-[(2S,3S)-3-((4-amino-2,6-dimethylphenoxyacetyl)amino)-2-hydroxy-4-phenylbutanoyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide hydrochloride 在
sodium cyanoborohydride 、
溶剂黄146 作用下,
以
甲醇 为溶剂,
反应 1.0h,
生成
(4R)-3-[(2S,3S)-3-[[2-[2,6-dimethyl-4-[(6-methylpyridin-2-yl)methylamino]phenoxy]acetyl]amino]-2-hydroxy-4-phenylbutanoyl]-N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide