[EN] MULTICYCLIC PEPTIDES AND METHODS FOR THEIR PREPARATION<br/>[FR] PEPTIDES MULTICYCLIQUES ET LEURS PROCÉDÉS DE PRÉPARATION
申请人:STICHTING TECHNISCHE WETENSCHAPPEN
公开号:WO2018106112A1
公开(公告)日:2018-06-14
The invention relates to methods for preparing a compound comprising a peptide attached to a molecular scaffold whereby multiple peptide loops are formed, to compounds that can be obtained with such methods and uses thereof.
A Fluorescent 18-Crown-6 Based Luminescence Sensor for Lanthanide Ions
作者:Wen-Sheng Xia、Russell H. Schmehl、Chao-Jun Li
DOI:10.1016/s0040-4020(00)00528-7
日期:2000.9
The synthesis and photophysical behavior of a luminescent chemosensor for the early lanthanide elements is described. The sensor is a 1,4-diphenylethynyl-benzene chromophore having 18-crown-6 moieties bound to the outer phenyl rings. The chromophore is luminescent and the emission is quenched by lanthanide (Ln(3+)) ions with larger ionic radii and existing f-f transitions (Ce3+, Pr3+ and Nd3+). Alkali, alkaline earth ions and lanthanides with smaller radii (Ge3+, Tb3+, Dy3+, and Yb3+) do not affect the emission. (C) 2000 Elsevier Science Ltd. All rights reserved.
General and Facile Route to Isomerically Pure Tricyclic Peptides Based on Templated Tandem CLIPS/CuAAC Cyclizations
作者:Gaston J. J. Richelle、Sumeet Ori、Henk Hiemstra、Jan H. van Maarseveen、Peter Timmerman
DOI:10.1002/anie.201709127
日期:2018.1.8
These react via CLIPS/CuAAC reactions with cysteines and azides in the peptide. Flexibility in the scaffolds is key to the formation of isomerically pure products as the flexible scaffolds T41 and T42 mostly promote the formation of single isomeric tricycles while the rigid scaffolds T43 and T44 do not yield clean products. There seems to be no limitation to the number and types of aminoacids present