There is described the use of a protic ionic liquid comprising a trialkylammonium salt as a solvent.
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Page/Page column 38
(2009/04/25)
METHOD FOR THE HYDRODECOMPOSITION OF AMMONIUM FORMATES IN POLYOL-CONTAINING REACTION MIXTURES
Disclosed is a method for removing trialkylammonium formate from methylolalkanes obtained by condensing formaldehyde with a higher aldehyde. The inventive method is characterized in that trialkylammonium formate is decomposed at an increased temperature on a catalyst which is placed on a titanium dioxide support and contains ruthenium in the presence of a gas containing hydrogen. Said method makes it possible to separate the trialkylammonium formate from methylolalkanes produced according to the organic Cannizzaro method and the hydration method.
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Page/Page column 6; 7
(2008/06/13)
Production of formate salts from carbon dioxide, hydrogen and amines
Formate salts of nitrogenous bases containing tertiary nitrogen are prepared by reacting the nitrogenous base with carbon dioxide and hydrogen using a soluble transition metal catalyst. For example triethylamine is reacted with carbon dioxide and hydrogen using ruthenium trichloride as catalyst and an isopropanol/water mixture as solvent to yield triethylammonium formate which was separated from the reaction mixture by distillation.
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(2008/06/13)
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