Efficient synthetic method for ethyl (+)-(2S,3S)-3-((S)-3-methyl-1-(3-methylbutylcarbamoyl)butylcarbamoyl)-2-oxiranecarboxylate (EST), a new inhibitor of cysteine proteinases.
Two-Step Labeling of Endogenous Enzymatic Activities by Diels-Alder Ligation
作者:Lianne I. Willems、Martijn Verdoes、Bogdan I. Florea、Gijsbert A. van der Marel、Herman S. Overkleeft
DOI:10.1002/cbic.201000280
日期:——
Double labeling: A Diels–Alder‐based ligation strategy for activity‐based profiling of endogenously expressed proteases by using a panel of diene‐derivatized probes and a dienophile‐functionalized fluorescent tag has been developed. This procedure is fully orthogonal with respect to the Staudinger–Bertozzi ligation, thus allowing both methods to be used in the same sample to independently label two different
Aza-Peptide Epoxides: A New Class of Inhibitors Selective for Clan CD Cysteine Proteases
作者:Juliana L. Asgian、Karen Ellis James、Zhao Zhao Li、Wendy Carter、Alan J. Barrett、Jowita Mikolajczyk、Guy S. Salvesen、James C. Powers
DOI:10.1021/jm025581c
日期:2002.11.1
Aza-peptide epoxides, a newclass of irreversible proteaseinhibitors, are specific for the clan CD cysteine proteases. The inhibitors have second-order rate constants up to 10(5) M(-1) s(-1), with the most potent epoxides having the S,S stereochemistry. The aza-Asn derivatives are effective legumain inhibitors, while the aza-Asp epoxides were specific for caspases. The inhibitors have little or no inhibition
Konfiguration und enantioselektive Synthese des Pilzmetaboliten WF14861
作者:Richard Detterbeck、Manfred Hesse
DOI:10.1002/hlca.200390015
日期:2003.1
A short enantioselective synthesis of the cathepsine inhibitor WF14861 (1) from the funghi Colletotrichum sp. as well as of its diasteroisomer 21 is presented. Comparison of the NMR data of the final products and, in particular, of the [α]D values of the intermediates allowed the confirmation of the formerly proposed structure 1. In addition, the so far unknown absolute configuration of all three stereogenic
Cathepsin B is a lysosomal cysteine protease involved in many diseases. The present research demonstrates that derivatives of epoxysuccinyl–peptide are effective and selective cathepsin B inhibitors. We synthesized a series of epoxysuccinyl–peptide derivatives based on the well-known cathepsin B inhibitor E64d. Specifically, we substituted the 2-methylpropane group at the R1 position of E64d with a sulfane, such as ethyl(methyl) sulfane or benzyl(methyl) sulfane. We also designed and synthesized a library of molecules with various substituents at the R2 position of E64d to replace 2-methylbutane. By studying the structure–activity relationships of these newly synthesized molecules as cathepsin B inhibitors, we demonstrated that substituting ethyl(methyl) sulfane for 2-methylbutane (R2) of E64d improves the inhibitory activity and selectivity for cathepsin B inhibition. Our new cathepsin B inhibitors were highly effective and selective.
[EN] IMIDAZO [4, 5 - B] PYRIDINE DERIVATIVES AS ALK AND JAK MODULATORS FOR THE TREATMENT OF PROLIFERATIVE DISORDERS<br/>[FR] DÉRIVÉS IMIDAZO [4,5-B] PYRIDINE COMME MODULATEURS D'ALK ET DE JAK POUR LE TRAITEMENT DE TROUBLES PROLIFÉRATIFS
申请人:CEPHALON INC
公开号:WO2013116291A1
公开(公告)日:2013-08-08
This application relates to compounds of the Formula I as defined herein, and/or salts thereof. This application further relates to compositions and methods of using these compounds and/or salts thereof. The compounds of Formula I are useful as ALK and JAK modulators for the treatment of proliferative disorders.