(3S,6S)-3,6-diisobutyl-4-(4-phenoxybenzoyl)piperazin-2-one 、
(3S,6S)-3,6-diisobutylpiperazin-2-one 、
3,4-methylenedioxy-trans-cinnamic acid 以to give the product 90 (75.1 mg, yield: 41.3%) as white solids的产率得到(3S,6S)-4-((E)-3-(benzo[d][1,3]dioxol-5-yl)acryloyl)-3,6-diisobutylpiperazin-2-one