[EN] NOVEL CRYPTOPHYCIN COMPOUNDS AND CONJUGATES, THEIR PREPARATION AND THEIR THERAPEUTIC USE<br/>[FR] NOUVEAUX COMPOSÉS ET CONJUGUÉS DE CRYPTOPHYCINE, LEUR PRÉPARATION ET LEUR UTILISATION THÉRAPEUTIQUE
申请人:SANOFI SA
公开号:WO2017076998A1
公开(公告)日:2017-05-11
The present invention relates to cryptophycin compounds of formula (I). The invention also relates to cryptophycin payloads, to cryptophycin conjugates, to compositions containing them and to their therapeutic use, especially as anticancer agents. The invention also relates to the process for preparing these conjugates.
2,2,3,3-Tetramethyl-β-alanine was prepared from methyl hydrogen tetramethylsuccinate by a modified Curtius procedure. Conventional procedures were not suitable for making derivatives of this amino-acid.