(3S)-2-(1,2-dioxo-3,3-dimethylpentyl)-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid 在
三乙胺 、
肼 作用下,
以41%的产率得到(3S)-2-(3,3-dimethyl-2-oxopentanoyl)-N'-[(3S)-2-(3,3-dimethyl-2-oxopentanoyl)-3,4-dihydro-1H-isoquinoline-3-carbonyl]-3,4-dihydro-1H-isoquinoline-3-carbohydrazide