(E)-2(R)-[1(S)-[(tetrahydro-2(RS)-pyranyloxy)carbamoyl]-4-phenyl-3-butenyl]-2'-isobutyl-4-methyl-2'-(3-phthalimidopropionyl)valerohydrazide 、
对甲苯磺酸一水合物 在
乙醚 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以to give 0.009 g of (E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2′-isobutyl-4-methyl-2′-(3-phthalimidopropionyl)valerohydrazide in the form of an off-white solid的产率得到(E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2'-isobutyl-4-methyl-2'-(3-phthalimidopropionyl)valerohydrazide