2'-isobutyl-4-methyl-2'-(D-phenylalanyl)valerohydrazide 、
对甲苯磺酸一水合物 在
(E)-2(R)-[1(S)-(tetrahydro-2(RS)-pyranyloxy)-carbamoyl]-4-phenyl-3-butenyl 、
乙醚 、
正己烷 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以to give 0.232 g of (E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2′-isobutyl-4-methyl-2′-(D-phenylalanyl)valerohydrazide p-toluenesulphonate in the form of a pale yellow solid的产率得到(E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2'-isobutyl-4-methyl-2'-(D-phenylalanyl)valerohydrazide p-toluenesulphonate