CARBOXY-REDUCED DERIVATIVES OF HYALURONIC ACID, METHOD OF PREPARING SAID DERIVATIVES, APPLICATION THEREOF AS A MEDICAMENT AND PHARMACEUTICAL COMPOSITIONS CONTAINING SAME

摘要

The invention relates to: carboxy-reduced derivatives of hyaluronic acid having formula (I), wherein R or R1 represent H or SO3M, n is an integer of between 0 and 25000 and M is an alkali metal, said derivatives being isolated or in mixtures; the diastereoisomers of said derivatives; the preparation method thereof; the applications thereof as a medicament; and pharmaceutical compositions containing same.