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Application filed by Pulitzer Italiana S.R.L.filedCriticalPulitzer Italiana S.R.L.
Publication of GR910100519ApublicationCriticalpatent/GR910100519A/en
Publication of GR1002400BpublicationCriticalpatent/GR1002400B/en
Acyclic And Carbocyclic Compounds In Medicinal Compositions
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process fro the preparation of cetyltrimethylammonium d-2- (6'-methoxy-2'-naphthyl)propionate of formula (chemical formula) CH3(CH2)15N(CH3)3 consisting of the following steps: a) treating an aqueous solution of cetyltrimethylammonium halide with an ion-exchange resin in hydroxy form; b) reacting the resulting cetyltrimethylammonium hydroxide with d-2-(6'-methoxy-2'-naphthyl)propionic acid; c) evaporating off water; d) optionally purifying the obtained product.
GR910100519A1991-12-301991-12-30A method for the preparation of cetyltrimethylammonium naproxenate
GR1002400B
(en)
Cetyl tri:methyl ammonium propionate prepn. - by treating cetyl tri:methyl ammonium halide with hydroxyl ion exchange resin and propionic acid, evaporating water and purifying