[EN] SYNTHESIS METHOD AND INTERMEDIATES USEFUL IN THE PREPARATION OF PYRROLOBENZODIAZEPINES [FR] PROCÉDÉ DE SYNTHÈSE ET INTERMÉDIAIRES POUVANT SERVIR À PRÉPARER DES PYRROLOBENZODIAZÉPINES
[EN] CROSS-LINKED PYRROLOBENZODIAZEPINE DIMER (PBD) DERIVATIVE AND ITS CONJUGATES<br/>[FR] DÉRIVÉ DE DIMÈRE DE PYRROLOBENZODIAZÉPINE RÉTICULÉ (PBD) ET SES CONJUGUÉS
申请人:HANGZHOU DAC BIOTECH CO LTD
公开号:WO2020006722A1
公开(公告)日:2020-01-09
A novel cross-linked cytotoxic agents, pyrrolobenzo-diazepine dimer (PBD) derivatives, and their conjugates to a cell-binding molecule, a method for preparation of the conjugates and the therapeutic use of the conjugates.
[EN] CONJUGATION LINKERS CONTAINING 2,3-DIAMINOSUCCINYL GROUP<br/>[FR] LIEURS DE CONJUGAISON CONTENANT UN GROUPE 2,3-DIAMINOSUCCINYLE
申请人:HANGZHOU DAC BIOTECH CO LTD
公开号:WO2020073345A1
公开(公告)日:2020-04-16
Provided is a conjugate of a cytotoxic drug/molecule to a cell-binding molecule with a bis-linker (adual-linker) containing a 2, 3-diaminosuccinyl group. It also relates to preparation of the conjugate of a cytotoxic drug/molecule to a cell-binding molecule with the bis-linker, particularly when the drug having functional groups of amino, hydroxyl, diamino, amino-hydroxyl, dihydroxyl, carboxyl, hydrazine, aldehyde and thiol for conjugation with the bis-linker in a specific manner, as well as the therapeutic use of the conjugates.
[EN] PYRROLOBENZODIAZEPINE CONJUGATES<br/>[FR] CONJUGUÉS DE PYRROLOBENZODIAZÉPINE
申请人:MEDIMMUME LTD
公开号:WO2017137553A1
公开(公告)日:2017-08-17
A conjugate of formula (I), wherein L is a Ligand unit, D is a Drug Linker unit of formula (II), wherein either: (a) R10 and R11 form a nitrogen-carbon double bond between the nitrogen and carbon atoms to which they are bound; or (b) R10 is OH, and R11 is formula (A): p is an integer of from 1 to 20.
A conjugate of formula (I) L - (DL)p (I) wherein L is an antibody (Ab) which binds HER2, D is a Drug Linker unit of formula (A) wherein p is an integer of from 1 to 20.
Synthesis and in vitro evaluation of SG3227, a pyrrolobenzodiazepine dimer antibody-drug conjugate payload based on sibiromycin
作者:Gary C. Kemp、Arnaud C. Tiberghien、Neki V. Patel、Francois D'Hooge、Sanjay M. Nilapwar、Lauren R. Adams、Simon Corbett、David G. Williams、John A. Hartley、Philip W. Howard
DOI:10.1016/j.bmcl.2017.01.074
日期:2017.3
pyrrolobenzodiazepine dimer payload, SG3227, was rationally designed based on the naturally occurring antitumour compound sibiromycin. SG3227 was synthesized from a dimeric core in an efficient fashion. An unexpected room temperature Diels-Alder reaction occurred during the final step of the synthesis and was circumvented by use of an iodoacetamide conjugation moiety in place of a maleimide. The payload was successfully