CATALYTIC METHOD FOR PRODUCING FLUOROAROMATIC COMPOUNDS USING N-SEC-ALKYL PYRIDINIUM SALTS
申请人:MALLINCKRODT SPECIALTY CHEMICALS COMPANY
公开号:EP0253838B1
公开(公告)日:1991-08-21
US4973771A
申请人:——
公开号:US4973771A
公开(公告)日:1990-11-27
[EN] PHASE TRANSFER CATALYSTS
申请人:MALLINCKRODT, INC.
公开号:WO1987004149A1
公开(公告)日:1987-07-16
(EN) N-secondary-alkyldiorganoaminopyridinium salts which are useful as phase transfer catalysts for facilitating preparation of fluoroaromatic compounds (such as fluoronitrobenzene compounds) from the corresponding chloroaromatic compounds (such as chloronitrobenzene compounds).(FR) Des sels N-secondaires sont utiles comme catalyseurs de transfert de phase pour faciliter la préparation de composés fluoroaromatiques (tels que des composés de fluoronitrobenzène) à partir des composés chloroaromatiques correspondants (tels que des composés de chloronitrobenzène).