PROCESS FOR PREPARING QUINOLYLACRYLONITRILE AND INTERMEDIATES THEREFOR
申请人:——
公开号:US20030013885A1
公开(公告)日:2003-01-16
3-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolyl]prop-2-enenitrite is prepared by reacting 2-cyclopropyl-4-(4-fluorophenyl)quinoline-3-carbaldehyde with acetonitrile in the presence of a base and then adding a dehydrating to the reaction mixture to conduct dehydration. Under ordinary conditions, novel 3-[2-cyclopropyl-4-(4-fluorophenyl)-quinolin-3-yl]-3-hydroxypropionitrile is formed as an intermediate in the above reaction. Incidentally, when the above reaction is conducted in an organic solvent, 3-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolyl]-prop-2-enenitrite is directly formed.