申请人:ETHYL CORPORATION
公开号:EP0312790A2
公开(公告)日:1989-04-26
Phosphorus compounds having at least one chlorine, bromine or iodine bonded directly to phosphorus are transhalogenated with fluorine by reaction with a fluoride salt, e.g., KF or ammonium fluoride, in the presence of a hydrogen halide salt of a pyridine-type nitrogen base, e.g., pyridine hydrochloride.
在
吡啶型氮基(如
盐酸吡啶)的卤化氢盐存在下,与
氟化盐(如 KF 或
氟化铵)反应,使至少有一个
氯、
溴或
碘直接与
磷键合的
磷化合物与
氟反卤化。