RESUMEN
The discovery and synthesis of 3-(1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one inhibitors of insulin-like growth factor 1-receptor (IGF-1R) are presented. Installing amine containing side chains at the 4-position of pyridone ring significantly improved the enzyme potency. SAR and biological activity of these compounds is presented.
Asunto(s)
Piridinas/síntesis química , Piridinas/farmacología , Receptor IGF Tipo 1/antagonistas & inhibidores , Bencimidazoles , Línea Celular , Humanos , Concentración 50 Inhibidora , Piridonas , Relación Estructura-ActividadRESUMEN
A novel class of 1H-(benzimidazol-2-yl)-1H-pyridin-2-one inhibitors of insulin-like growth factor I (IGF-1R) kinase is described. This report discusses the SAR of 4-(2-hydroxy-2-phenylethylamino)-substituted pyridones with improved IGF-1R potency.
Asunto(s)
Bencimidazoles/síntesis química , Bencimidazoles/farmacología , Factor I del Crecimiento Similar a la Insulina/antagonistas & inhibidores , Fosfotransferasas/antagonistas & inhibidores , Animales , Baculoviridae/enzimología , Línea Celular , Proliferación Celular/efectos de los fármacos , Indicadores y Reactivos , Ratones , Modelos Moleculares , Piridonas/farmacología , Relación Estructura-Actividad , Timidina/metabolismoRESUMEN
Compound 3 (BMS-536924), a novel small-molecule inhibitor of the insulin-like growth factor receptor kinase with equal potency against the insulin receptor is described. The in vitro and in vivo biological activity of this interesting compound is also reported.
Asunto(s)
Antineoplásicos/síntesis química , Bencimidazoles/síntesis química , Piridinas/síntesis química , Piridonas/síntesis química , Receptor IGF Tipo 1/antagonistas & inhibidores , Animales , Antineoplásicos/química , Antineoplásicos/farmacología , Bencimidazoles/química , Bencimidazoles/farmacología , Disponibilidad Biológica , Línea Celular Tumoral , Cristalografía por Rayos X , Ensayos de Selección de Medicamentos Antitumorales , Haplorrinos , Humanos , Ratones , Ratones Desnudos , Modelos Moleculares , Estructura Molecular , Trasplante de Neoplasias , Piridinas/química , Piridinas/farmacología , Piridonas/química , Piridonas/farmacología , Ratas , Receptor de Insulina/efectos de los fármacos , Relación Estructura-ActividadRESUMEN
A series of fluoroglycosylated fluoroindolocarbazoles was examined with respect to their topoisomerase I activity, cytotoxicity, and selectivity. The lead clinical candidate from this series, BMS-250749, displays broad spectrum antitumor activity superior to CPT-11 against some preclinical xenograft models, including curative antitumor activity against Lewis lung carcinoma.
Asunto(s)
Antineoplásicos/síntesis química , Camptotecina/análogos & derivados , Camptotecina/farmacología , Carbazoles/síntesis química , Glucósidos/síntesis química , Indoles/síntesis química , Animales , Antineoplásicos/química , Antineoplásicos/farmacología , Carbazoles/química , Carbazoles/farmacología , Línea Celular Tumoral , Evaluación Preclínica de Medicamentos , Resistencia a Antineoplásicos , Ensayos de Selección de Medicamentos Antitumorales , Glucósidos/química , Glucósidos/farmacología , Humanos , Técnicas In Vitro , Indoles/química , Indoles/farmacología , Irinotecán , Ratones , Microsomas Hepáticos/metabolismo , Inhibidores de Topoisomerasa I , Trasplante HeterólogoRESUMEN
A series of fluoroindolocarbazoles were studied with respect to their topoisomerase I activity, cytotoxicity, selectivity, and in vivo antitumor activity. Emerging from this series was BMS-251873, a potential clinical candidate possessing a robust pharmacological profile including curative antitumor activity against prostate carcinoma.