HUT45488A - Process for producing betaines
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Process for producing betaines
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Publication number
HUT45488A
HUT45488AHU553386AHU553386AHUT45488AHU T45488 AHUT45488 AHU T45488AHU 553386 AHU553386 AHU 553386AHU 553386 AHU553386 AHU 553386AHU T45488 AHUT45488 AHU T45488A
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Application filed by Caola KozmetikaifiledCriticalCaola Kozmetikai
Priority to HU553386ApriorityCriticalpatent/HU198174B/en
Publication of HUT45488ApublicationCriticalpatent/HUT45488A/en
Publication of HU198174BpublicationCriticalpatent/HU198174B/en
HUT045488 Betaine of formula (I) N-(fatty acid acyl- amino-propyl)-N,N-dimethyl-N- carboxy-methyl-ammonium -betaine, is prepd. in aq. medium at 80-100 deg.C from a cpd. of general formula (II), a N-(fatty acid -acylamino- propyl)-N,N-dimethyl -amine and 0-5 mol.% excess of chloroacetic acid in the presence of 1-5 mol.% of a weak organic, pref. acetic acid (mol.% - are based on cpd. (II)). Following the combination of cpd. (II), chloro-acetic acid and acetic acid, sodium hydroxide is added stepwise to neutralise the chloroacetic acid.
HU553386A1986-12-301986-12-30Process for producing betaines
HU198174B
(en)