(3S,6S)-3,6-diisobutyl-4-(4-phenoxybenzoyl)piperazin-2-one 、
(3S,6S)-3,6-diisobutylpiperazin-2-one 、
(2E)-3-(1,1'-biphenyl-4-yl)acrylic acid 以to give the product 94 (95.3 mg, yield: 48.4%) as a white solid的产率得到(3S,6S)-4-((E)-3-([1,1'-biphenyl]-4-yl)acryloyl)-3,6-diisobutylpiperazin-2-one