(3S,7S)-3,7-Diisobutyl-[1,4]diazepan-5-one 、
5-(4-氟苯基)异噁唑-3-羧酸 、
(3S,6S)-4-cinnamoyl-3,6-diisobutylpiperazin-2-one 以to furnish 411 (30 mg, 71.1% yield) as a white solid的产率得到(3S,7S)-4-(5-(4-fluorophenyl)isoxazole-3-carbonyl)-3,7-diisobutyl-1,4-diazepan-2-one