method for preparation of quaternary ammonium salts of chondroitinezwavelzuurvormen a and c with pharmacological action.

摘要

1305807 Chondroitin sulphuric acid salts SOC D'ETUDES DE PRODUITS CHIMIQUES 31 Aug 1971 [30 Sept 1970] 46411/70 Heading C3U [Also in Division A5] Pyridoxine salts or salts of (carboxymethyl) trimethylammonium hydroxide inner salt with chondroitin sulphuric acid are obtained by reacting chondroitin sulphuric acid, preferably the A or C form with the organic base in aqueous solution at room temperature.