(2R,5S)-4-[2-(6-butyryl-3,3-dimethyl-2,3-dihydro-pyrrolo[3,2-b]pyridin-1-yl)-2-oxo-ethyl]-5-((3R,5R)-3,5-dimethyl-morpholin-4-ylmethyl)-2-methyl-piperazine-1-carboxylic acid tert-butyl ester 在
sodium tetrahydroborate 、
二乙胺 作用下,
以
甲醇 、
乙醇 、
正庚烷 为溶剂,
反应 1.0h,
生成
(2R,5S)-5-((3R,5R)-3,5-dimethyl-morpholin-4-ylmethyl)-4-{2-[6-(1R-hydroxy-butyl)-3,3-dimethyl-2,3-dihydro-pyrrolo[3,2-b]pyridin-1-yl]-2-oxo-ethyl}-2-methyl-piperazine-1-carboxylic acid tert-butyl ester 、 (2R,5S)-5-((3R,5R)-3,5-dimethyl-morpholin-4-ylmethyl)-4-{2-[6-(1S-hydroxy-butyl)-3,3-dimethyl-2,3-dihydro-pyrrolo[3,2-b]pyridin-1-yl]-2-oxo-ethyl}-2-methyl-piperazine-1-carboxylic acid tert-butyl ester