(3S,6S)-3,6-diisobutylpiperazin-2-one 、 5-(4-(tert-Butyl)phenyl)isoxazole-3-carboxylic acid 、
(3S,6S)-4-cinnamoyl-3,6-diisobutylpiperazin-2-one 以to furnish 132 (89 mg, 86% yield) as a white solid的产率得到(3S,6S)-4-(5-(4-(tert-butyl)phenyl)isoxazole-3-carbonyl)-3,6-diisobutylpiperazin-2-one