(3S,6S)-3,6-diisobutyl-4-(4-phenoxybenzoyl)piperazin-2-one 、
(3S,6S)-3-isopropyl-6-phenylpiperazin-2-one 、
5-(4-氟苯基)异噁唑-3-羧酸 以to give the product 400 (122.3 mg, 65% yield) as colorless oil的产率得到(3S,6S)-4-(5-(4-fluorophenyl)isoxazole-3-carbonyl)-3-isopropyl-6-phenylpiperazin-2-one