COMPLEX OF GADOLINIUM AND A LIGAND CHELATOR DERIVED FROM PCTA DIASTEREOISOMERICALLY ENRICHED AND PROCESS FOR SYNTHESIS

摘要

The present invention relates to a complex of formula (II) consisting of at least 80% of a diastereoisomeric excess comprising a mixture of II-RRR and II-SSS isomers of formulas: (II-SSS) (II-RRR ) The present invention also relates to a process for preparing said complex of formula (II), as well as two synthetic intermediates.