Synthesis of 3-methoxyquinolines via cyclization of 1-isocyano-2-(2-lithio-2-methoxyethenyl)benzenes
作者:Kazuhiro Kobayashi、Keiichi Yoneda、Tatsuya Mizumoto、Hironobu Umakoshi、Osamu Morikawa、Hisatoshi Konishi
DOI:10.1016/s0040-4039(03)01040-2
日期:2003.6
2-(2-Isocyanophenyl)acetaldehyde dimethyl acetals were treated with excess LDA to generate 1-isocyano-2-(2-lithio-2-methoxyethenyl)benzenes, which cyclized intramolecularly to afford 3-methoxyquinolines in good to excellent yields. (C) 2003 Elsevier Science Ltd. All rights reserved.