methyl (1S,3S,1'S)-1-[2'-(tert-butoxycarbonyl)-1'-(9-fluorenylmethoxycarbonyl)aminoethyl]-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89%的产率得到(6S,7S,10S)-7-(tert-butoxycarbonylmethyl)-6,10-imino-6,7,8,9,10,11-hexahydro-5H-azocino[4,5-b]indol-9-one