PROCESS FOR THE PREPARATION OF ONIUM SALTS WITH DIALKYLPHOSPHATE, DIALKYLPHOSPHINATE OR (O-ALKYL)ALKYL- OR ALKYLPHOSPHONATE ANIONS HAVING A LOW HALIDE CONTENT
申请人:Ignatyev Nikolai (Mykola)
公开号:US20090253914A1
公开(公告)日:2009-10-08
The invention relates to a process for the preparation of onium salts with dialkylphosphate, dialkylphosphinate or (O-alkyl)alkyl- or alkylphosphonate anions by reaction of an onium halide with a triallyl phosphate, alkyl dialkylphosphinate, dialkyl alkylphosphonate or trialkylsilyl ester or mixed alkyl trialkylsilyl ester of phosphoric, dialkylphosphinic or alkylphosphonic acid.
Process for the preparation of phosphinic acid esters
申请人:Merck Patent GmbH
公开号:US09056881B2
公开(公告)日:2015-06-16
The invention relates to a process for the preparation of alkyl phosphinates, alkenyl phosphinates, alkynyl phosphinates or phenyl phosphinates by reaction of a corresponding phosphine oxide with an alcohol or phenol in the presence of alkali-metal fluoride or tetraalkylammonium fluoride.
VERFAHREN ZUR HERSTELLUNG VON ONIUM-SALZEN MIT DIALKYLPHOSPHAT-, DIALKYLPHOSPHINAT- ODER (O-ALKYL)-ALKYL- ODER ALKYL-PHOSPHONAT-ANIONEN MIT GERINGEM HALOGENID-GEHALT
申请人:Merck Patent GmbH
公开号:EP1824866A1
公开(公告)日:2007-08-29
Verfahren zur Herstellung von Onium-Salzen mit Diakylphosphinat Anionen mit geringem Halogenid-Gehalt