methyl (1R,3S,1'S)-1-[5'-(tert-butoxycarbonylamino)-1'-(9-fluorenylmethoxycarbonylamino)pentyl]-1,2,3,4-tetrahydro-β-carboline-3-carboxylate 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以95%的产率得到methyl (1R,3S,1'S)-1-[5'-(tert-butoxycarbonylamino)-1'-aminopentyl]-1,2,3,4-tetrahydro-β-carboline-3-carboxylate