(E)-2(R)-[1(S)-[(tetrahydro-2(RS)-pyranyloxy)carbamoyl]-4-phenyl-3-butenyl]-2'-isobutyl-4-methyl-2'-(2-ureidoacetyl)valerohydrazide 在
乙醚 作用下,
以
盐酸 、
1,4-二氧六环 、
乙醚 为溶剂,
反应 2.0h,
以to give 0.36 g of (E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2′-isobutyl-4-methyl-2′-(2-ureidoacetyl)valerohydrazide in the form of a white solid的产率得到(E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2'-isobutyl-4-methyl-2'-(2-ureidoacetyl)valerohydrazide