Synthesis and Potent Antitumor Activities of Novel 1,3,5-cis,cis-Triaminocyclohexane N-Pyridyl Derivatives
摘要:
The iron chelator N,N',N"-tris(2-pyridylmethyl)-cis,cis-1,3,5-triaminocyclohexane (tachpyr) was recently reported to display potent antitumor activity. The present study was focused on identifying an adequate bifunctional version of tachpyr as a lead compound for use in antibody-targeted iron depletion tumor therapy. Preparation of tachpyr derivatives having a side chain is reported, and their cytotoxic activity is evaluated in the HeLa cell line. The observed cytotoxity appears dependent on the functionalization site of the tachpyr employed for introducing the protein conjugation. Tachpyr derivatives 14 and 15 having a side chain introduced into the 5-position of the pyridyl ring display more potent cytotoxicity than tachpyr derivatives 7 and 8 having a side chain introduced onto one of the secondary amines. BOC-protected tachpyr derivative 14 exhibited the most potent cytotoxicity against this cancer cell line, which was reasonably comparable to the parent tachpyr. Tachpyr derivative 14 was further converted into bifunctional tachpyr 17 possessing a maleimide linker for conjugation with thiolated monoclonal antibodies (mAbs).
[EN] MULTIFUNCTIONAL CHELATORS, COMPLEXES, AND COMPOSITIONS THEREOF, AND METHODS OF USING SAME<br/>[FR] CHÉLATEURS MULTIFONCTIONNELS, COMPLEXES, ET COMPOSITIONS DE CEUX-CI, ET LEURS PROCÉDÉS D'UTILISATION
申请人:ILLINOIS TECHNOLOGY INST
公开号:WO2015051362A1
公开(公告)日:2015-04-09
Multifunctional chelators, metal complexes thereof, compositions thereof, and methods of making and use in diagnostic imaging and treatment of cellular disorders.
MULTIFUNCTIONAL CHELATORS, COMPLEXES, AND COMPOSITIONS THEREOF, AND METHODS OF USING SAME
申请人:ILLINOIS INSTITUTE OF TECHNOLOGY
公开号:US20160235870A1
公开(公告)日:2016-08-18
Multifunctional chelators, metal complexes thereof, compositions thereof, and methods of making and use in diagnostic imaging and treatment of cellular disorders.
Multifunctional chelators, complexes, and compositions thereof, and methods of using same
申请人:ILLINOIS INSTITUTE OF TECHNOLOGY
公开号:US10441669B2
公开(公告)日:2019-10-15
Multifunctional chelators, metal complexes thereof, compositions thereof, and methods of making and use in diagnostic imaging and treatment of cellular disorders.