(3S,6S)-6-(2-fluorophenyl)-3-isobutyl-piperazin-2-one 、
3-(4-氟苯基)-1,2-恶唑-5-羧酸 、
(3S,6S)-4-cinnamoyl-3,6-diisobutylpiperazin-2-one 以to furnish compound 372 (41 mg, 47% yield) as a colorless solid的产率得到(3S,6S)-6-(2-fluorophenyl)-4-(3-(4-fluorophenyl)isoxazole-5-carbonyl)-3-isobutylpiperazin-2-one