n-(Nalpha-caffeoyl-ndelta-benzyloxycarbonyl-l-ornithyl)dopamine 、
TRANS-咖啡酸 在
amino 、 crude material 作用下,
以The desired product was obtained as yellow crystals (300 mg, 25%)的产率得到(2S)-N-[2-(3,4-dihydroxyphenyl)ethyl]-2,5-bis[[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]amino]pentanamide