METHOD FOR THE SEPARATION OF ACIDS FROM CHEMICAL REACTION MIXTURES BY MEANS OF IONIC FLUIDS

Title:

METHOD FOR THE SEPARATION OF ACIDS FROM CHEMICAL REACTION MIXTURES BY MEANS OF IONIC FLUIDS

Document Type and Number:

WIPO Patent Application WO2003062171

Kind Code:

A3

Abstract:

Disclosed is a method for separating acids from chemical reaction mixtures by means of an auxiliary base. Said auxiliary base b) forms a salt with the acid, which is liquid at temperatures at which the valuable product is not significantly decomposed during separation, and c) the salt of the auxiliary base and the valuable product or the solution of the valuable product form two immiscible fluid phases in a suitable solvent.

Inventors:

MAASE MATTHIAS (DE)
MASSONNE KLEMENS (DE)
HALBRITTER KLAUS (DE)
NOE RALF (DE)
BARTSCH MICHAEL (DE)
SIEGEL WOLFGANG (DE)
STEGMANN VEIT (DE)
FLORES MIGUEL (DE)
HUTTENLOCH OLIVER (DE)
BECKER MICHAEL (DE)

Application Number:

PCT/EP2003/000545

Publication Date:

October 16, 2003

Filing Date:

January 21, 2003

Export Citation:

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Assignee:

BASF AG (DE)
MAASE MATTHIAS (DE)
MASSONNE KLEMENS (DE)
HALBRITTER KLAUS (DE)
NOE RALF (DE)
BARTSCH MICHAEL (DE)
SIEGEL WOLFGANG (DE)
STEGMANN VEIT (DE)
FLORES MIGUEL (DE)
HUTTENLOCH OLIVER (DE)
BECKER MICHAEL (DE)

International Classes:

C07D233/58; B01J31/24; C07B61/00; C07B63/00; C07B63/02; C07C1/30; C07C7/10; C07C13/23; C07C45/50; C07C67/14; C07C67/58; C07C69/14; C07C69/78; C07C403/12; C07D233/60; C07D403/12; C07F7/18; C07F9/02; C07F9/12; C07F9/142; C07F9/145; C07F9/22; C07F9/46; C07F9/48; C07F9/50; C07F9/52; C07F9/572; C07F9/6503; C07F9/6574; C07F9/6584; (IPC1-7): C07B63/00; C07F9/02

Foreign References:

DE19724884A1	1998-12-17
DE19826936A1	1999-12-23
EP1142898A1	2001-10-10
FR2810666A1	2001-12-28

Other References: