Sanofi
NOVEL PEPTIDIC LINKERS AND CRYPTOPHYCIN CONJUGATES, THEIR PREPARATION AND THEIR THERAPEUTIC USE

Abstract:

The present disclosure relates to compounds of formula (I): RCG1-L-P (I) wherein RCG1 represents a reactive chemical group being reactive towards a chemical group present on a polypeptide such as an antibody; P represents H, OH or an activated O; and L represents a specific linker. The disclosure also relates to cryptophycin payloads, as well as to cryptophycin conjugates, to compositions containing them and to their therapeutic use, especially as anticancer agents. The disclosure also relates to the process for preparing these conjugates.