(3S,6S)-3,6-diisobutyl-4-(4-phenoxybenzoyl)piperazin-2-one 、
(3S,6S)-3-isopropyl-6-phenylpiperazin-2-one 、
(1R,2R)-trans-2-phenyl-1-cyclopropanecarboxylic acid 以to give the product 402 (82.9 mg, 50% yield) as colorless oil的产率得到(3S,6S)-3-isopropyl-6-phenyl-4-((1R,2R)-2-phenylcyclopropanecarbonyl)piperazin-2-one