申请人:THE DOW CHEMICAL COMPANY
公开号:EP0183228A2
公开(公告)日:1986-06-04
A method of exchanging a chlorine atom for a fluorine atom at the 2-position of a 2-fluoro-pyridine compound which comprises contacting a 2-fluoro-pyridine compound with a substituted or unsubstituted trichloromethyl or dichlorofluoromethyl alpha, beta or gamma picoline compound at a temperature of 50-250°C and at atmospheric or superatmospheric pressure.
一种在 2-氟吡啶化合物的 2 位用氯原子交换氟原子的方法,该方法包括在 50-250°C 的温度和大气压或超大气压下,将 2-氟吡啶化合物与取代或未取代的三氯甲基或二氯氟甲基α、β或γ吡啶化合物接触。