L-leucinyl-D-isoglutamine benzyl ester 在
钯 氢气 、
溶剂黄146 作用下,
以
甲醇 、
乙腈 为溶剂,
反应 18.0h,
生成 (R)-4-Carbamoyl-4-((S)-2-{(R)-2-[(3R,4R,5S,6R)-2,5-dihydroxy-3-(2-hydroxy-acetylamino)-6-hydroxymethyl-tetrahydro-pyran-4-yloxy]-propionylamino}-4-methyl-pentanoylamino)-butyric acid