(S)-N-((S)-1-tert-Butoxycarbonyl-2-phenyl-ethyl)-3-[5-(4-cyano-phenyl)-4-oxo-pentanoylamino]-succinamic acid tert-butyl ester 在
sodium tetrahydroborate 作用下,
以
异丙醇 为溶剂,
反应 2.0h,
以152 mg的产率得到(S)-N-((S)-1-tert-Butoxycarbonyl-2-phenyl-ethyl)-3-[5-(4-cyano-phenyl)-4-hydroxy-pentanoylamino]-succinamic acid tert-butyl ester