federico butelman

摘要

Complexes of iron or other metals with sulphonated derivatives of chitosan, having the following general formula (I): CHEM in which: R is H or a C1- C5 alkyl group, or an arylalkyl group; A is H or an alkaline metal or an alkaline earth metal; X is a pharmacologically acceptable anion; m is a whole number from 50 to 1000; n is zero or a whole number from 1 to 10; M is FeII, FeIII, Mg, Ca or Bi