oorganiska salter av trimetylammoniumderivat av polyenmakrolider saerskilt oorganiska salter av metylestrar av system derivat och foerfarande foer framstaellning av dem

摘要

Inorganic salts of trimethylammonium derivatives of polyene macrolides, particularly the inorganic salts of methyl esters of these derivatives having the general formula: IMAGE wherein R is the residue of a polyene macrolide and X is an anion of a salt selected from the group consisting of methylsulphate, sulphate, chloride, phosphate and acetate. The preparation of salts of formula (I) or formula (II) is also disclosed.