Development of Potent and Selective Inhibitors of Aldo–Keto Reductase 1C3 (Type 5 17β-Hydroxysteroid Dehydrogenase) Based on N-Phenyl-Aminobenzoates and Their Structure–Activity Relationships
摘要:
Aldo-keto reductase 1C3 (AKR1C3; type 5 17 beta-hydroxysteroid dehydrogenase) is overexpressed in castration resistant prostate cancer (CRPC) and is implicated in the intratumoral biosynthesis of testosterone and 5 alpha-dihydrotestosterone. Selective AKR1C3 inhibitors are required because compounds should not inhibit the highly related AKR1C1 and AKR1C2 isoforms which are involved in the inactivation of Sa-dihydrotestosterone. NSAIDs, N-phenylanthranilates in particular, are potent but nonselective AKR1C3 inhibitors. Using flufenamic acid, 2-{[3-(trifluoromethyl)phenyl]amino}benzoic acid, as lead compound, five classes of structural analogues were synthesized and evaluated for AKR1C3 inhibitory potency and selectivity. Structure-activity relationship (SAR) studies revealed that a meta-carboxylic acid group relative to the amine conferred pronounced AKR1C3 selectivity without loss of potency, while electron withdrawing groups on the phenylamino B-ring were optimal for AKR1C3 inhibition. Lead compounds did not inhibit COX-1 or COX-2 but blocked the AKR1C3 mediated production of testosterone in LNCaP-AKR1C3 cells. These compounds offer promising leads toward new therapeutics for CRPC.
The present application relates to a compound of a formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).
The cycliccompounds have wide applications in the design and synthesis of drugs and materials; thus, their efficient construction attracts much attention from the synthetic community. In this letter, we report an efficient method for preparing cycliccompounds starting from the readily available carboxylic acids. This reaction takes place through intramolecular decarbonylative sp2 C–H arylation, enabling
The present application relates to a compound of a formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).
[DE] VERBINDUNGEN FÜR ELEKTRONISCHE VORRICHTUNGEN<br/>[EN] COMPOUNDS FOR ELECTRONIC DEVICES<br/>[FR] COMPOSÉS POUR DISPOSITIFS ÉLECTRONIQUES
申请人:MERCK PATENT GMBH
公开号:WO2012149999A1
公开(公告)日:2012-11-08
Die vorliegende Anmeldung betrifft eine Verbindung einer Formel (I), die Verwendung dieser Verbindung in einer elektronischen Vorrichtung, sowie eine elektronische Vorrichtung, enthaltend eine oder mehrere Verbindungen der Formel (I). Weiterhin betrifft die Erfindung die Herstellung der Verbindung der Formel (I) sowie eine Formulierung enthaltend eine oder mehrere Verbindungen der Formel (I).