Process for preparing solid betaines

Details Process for preparing solid betaines Process for preparing solid betaines

C - Chemistry, Metallurgy

07

C

C07C 229/12 (2006.01) C07C 227/08 (2006.01) C07C 227/18 (2006.01)

Patent

CA 2096533

2096533 9213825 PCTABS00014 Solid betaines are produced by the reaction of (1) a haloalkanoate salt with a tert-amine or (2) a base with the quaternary ammonium ester resulting from the quaternization of a tert-amine with an alkyl haloalkanoate when the reaction is conducted in a liquefied gas solvent or in a polar aprotic solvent in which the betaine is substantially insoluble.

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