(3S,6S)-3,6-diisobutyl-4-(4-phenoxybenzoyl)piperazin-2-one 、
(3S,6S)-3,6-diisobutylpiperazin-2-one 、
1-(4-氟-苯基)-1H-咪唑-4-羧酸 以to give the product 103 (28.4 mg, 15.1% yield) as a white solid的产率得到(3S,6S)-4-(1-(4-fluorophenyl)-1H-imidazole-4-carbonyl)-3,6-diisobutylpiperazin-2-one