(E)-2'-(N-tert.-butoxycarbonyl-beta-alanyl)-2(R)-[1(S)-[(tetrahydro-2(RS)-pyranyloxy)-carbamoyl]-4-phenyl-3-butenyl]-2'-isobutyl-4-methylvalerohydrazide 、
盐酸 在
乙醚 作用下,
以
1,4-二氧六环 、
乙醚 为溶剂,
反应 2.0h,
以to give 0.29 g of (E)-2′-(β-alanyl)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2′-isobutyl-4-methylvalerohydrazide hydrochloride in the form of a white solid的产率得到(E)-2'-(β-alanyl)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2'-isobutyl-4-methylvalerohydrazide hydrochloride