[EN] DEGRADATION OF BRUTON'S TYROSINE KINASE (BTK) BY CONJUGATION OF BTK INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE [FR] DÉGRADATION DE LA TYROSINE KINASE DE BRUTON (BTK) PAR CONJUGAISON D'INHIBITEURS DE BTK AVEC UN LIGAND DE LIGASE E3 ET PROCÉDÉS D'UTILISATION
[EN] DEGRADATION OF BRUTON'S TYROSINE KINASE (BTK) BY CONJUGATION OF BTK INHIBITORS WITH E3 LIGASE LIGAND AND METHODS OF USE [FR] DÉGRADATION DE LA TYROSINE KINASE DE BRUTON (BTK) PAR CONJUGAISON D'INHIBITEURS DE BTK AVEC UN LIGAND DE LIGASE E3 ET PROCÉDÉS D'UTILISATION
We have identified a novel series of ring-fused pyrazole derivatives as lymphocyte-specific kinase (Lck) inhibitors. The most potent analogs exhibited good enzyme inhibitory activity (IC(50)s <1 nM) as well as excellent cellular activity against mixed lymphocyte reaction (MLR) (IC(50)s <1 nM). (C) 2009 Elsevier Ltd. All rights reserved.