PROCESS FOR PREPARING ANTIGEN K5 SULFATE AND ANTIGEN FRAGMENTS K5 SULFATATED, K5 ANTIGEN ISOLATION AND PREPARATION OF PHARMACEUTICAL COMPOSITIONS

摘要

The invention relates to sulphated K5 antigen and sulphated K5 antigen fragments containing at least 3 monosaccharide units and salts thereof, having interesting antiangiogenic and antitumour activities and a favourable ratio of the activities with respect to anticoagulant properties. In addition, the compounds can be used for the treatment of diseases caused by envelope viruses.