SYNTHESIS OF<i>N</i>-FORMYLINDOLINE DERIVATIVES BY LEWIS ACID CATALYZED CYCLIZATIONS OF<i>o</i>-(2-HYDROXYALKYL)PHENYL ISOCYANIDES
作者:Yoshihiko Ito、Kazuhiro Kobayashi、Takeo Saegusa
DOI:10.1246/cl.1980.1563
日期:1980.12.5
o-(2-Hydroxyalkyl)phenyl isocyanides (2), which are prepared by the reaction of o-lithiomethylphenyl isocyanides (1) with ketone and aldehyde are cyclized by Lewisacid catalyst to N-formylindoline derivatives (3).