6-benzyloxy-3-chloromethyl-1-[5-(benzofuran-2-carboxamido)indole-2-carbonyl]indoline 在
palladium on activated charcoal
氢气 、 ammonium formate 作用下,
以
四氢呋喃 为溶剂,
以86.9%的产率得到3-chloromethyl-6-hydroxy-1-[5-(benzofuran-2-carboxamido)indole-2-carbonyl]indoline