Direct synthesis of N-protected β-amino dimethylhydroxamates: Application to the solid-phase synthesis of a peptide incorporating a new amide bond surrogate Ψ[CH2CH2NH]
摘要:
A rapid and efficient one-step synthesis of N-protected beta-amino dimethylhydroxamates starting from diazo ketones is reported A Fmoc-protected beta-amino aldehyde obtained by reduction of its corresponding dimethylhydroxamate was incorporated during solid phase assembly of an antigenic peptide. The resulting pseudopeptide containing an ethylene amino bond Psi[CH2CH2NH] was efficiently recovered. (C) 1998 Elsevier Science Ltd. All rights reserved.
The Development and Scale-Up of an Antibody Drug Conjugate Tubulysin Payload
作者:Jeremy S. Parker、Marc McCormick、David W. Anderson、Beatrice A. Maltman、Lakshmaiah Gingipalli、Dorin Toader
DOI:10.1021/acs.oprd.7b00232
日期:2017.10.20
Significant development and scale-up work was completed on the synthesis of an antibody drug conjugate payload based on the tubulysin naturalproducts. This work included the development of new routes to the tubuvaline and tubuphenylaniline portions of the molecules, as well as extensive optimization of the solid phase peptide synthesis used to assemble the molecule. The initial route (21 steps longest
[EN] TUBULYSIN DERIVATIVES<br/>[FR] DÉRIVÉS DE TUBULYSINE
申请人:MEDIMMUNE LLC
公开号:WO2015157594A1
公开(公告)日:2015-10-15
Novel tubulysin derivatives which may be useful as cytotoxic agents to provide therapeutic benefits in the treatment of various types of cancers, alone or as drug conjugates with antibodies are provided. The tubulysin derivatives consist of a tetrapeptide scaffold comprising methyl and ethyl substituted piperidines. The tubulysin conjugates further comprise monoclonal antibody via succinimide linkers.
The present invention relates to anti-HER2 binding molecules (e.g., antibodies and antigen binding fragments thereof), derived HER2-binding molecules (e.g., bispecific anti-HER2 antibodies), and antibody-drug conjugates (ADC) that bind the extracellular domain of the HER2 receptor. Also provided are pharmaceutical formulation comprising the disclosed compositions and method for the treating diseases associated with HER2-mediated signal transduction.
[EN] ANTIBODIES AND ANTIBODY-DRUG CONJUGATES<br/>[FR] ANTICORPS ET CONJUGUÉS ANTICORPS-MÉDICAMENT
申请人:MEDIMMUNE LTD
公开号:WO2015155345A1
公开(公告)日:2015-10-15
This application provides antibodies and antigen binding fragments thereof which are capable of specifically binding the 5T4 cell surface antigen, antibody-drug conjugates, and antibody-imaging agent conjugates, as well as means and methods for producing and using them.
作者:Bhooma Raghavan、Ranganathan Balasubramanian、Jaeson C. Steele、Dan L. Sackett、Robert A. Fecik
DOI:10.1021/jm701321p
日期:2008.3.1
An efficient route for the synthesis of the tubulysin family of antimitotic peptides was developed. Simplified tubulysin analogues were synthesized to define the minimum pharmacophore required for cytotoxicity. Simplified tubulysin analogues retain significant cytotoxicity and reveal important preliminary structure-activity relationships.