Abstract
We have recently reported the discovery of pyrrolo[3,2-d]pyrimidine derivatives 1a and 1b as potent triple inhibitors of vascular endothelial growth factor receptor (VEGFR), platelet-derived growth factor receptor (PDGFR), and Tie-2 kinases. To identify compounds having strong inhibitory activity against fibroblast growth factor receptor (FGFR) kinase, further modification was conducted using the co-crystal structure analysis of VEGFR2 and 1b. Among the compounds synthesized, urea derivative 11l having a piperazine moiety on the terminal benzene ring showed strong inhibitory activity against FGFR1 kinase as well as VEGFR2 kinase. A binding model of 11l complexed with VEGFR2 suggested that the piperazine moiety forms additional interactions with Ile1025 and His1026.
Copyright © 2010 Elsevier Ltd. All rights reserved.
MeSH terms
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Binding Sites
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Bridged Bicyclo Compounds, Heterocyclic / chemical synthesis
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Bridged Bicyclo Compounds, Heterocyclic / chemistry*
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Bridged Bicyclo Compounds, Heterocyclic / pharmacology
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Cells, Cultured
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Computer Simulation
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Crystallography, X-Ray
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Drug Design
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Humans
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Phenylurea Compounds / chemical synthesis
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Phenylurea Compounds / chemistry*
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Phenylurea Compounds / pharmacology
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Protein Kinase Inhibitors / chemical synthesis
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Protein Kinase Inhibitors / chemistry*
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Protein Kinase Inhibitors / pharmacology
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Pyrimidines / chemical synthesis
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Pyrimidines / chemistry*
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Pyrimidines / pharmacology
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Pyrroles / chemical synthesis
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Pyrroles / chemistry*
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Pyrroles / pharmacology
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Receptor, TIE-2 / antagonists & inhibitors
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Receptor, TIE-2 / metabolism
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Receptors, Fibroblast Growth Factor / antagonists & inhibitors*
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Receptors, Fibroblast Growth Factor / metabolism
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Receptors, Platelet-Derived Growth Factor / antagonists & inhibitors
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Receptors, Platelet-Derived Growth Factor / metabolism
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Receptors, Vascular Endothelial Growth Factor / antagonists & inhibitors*
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Receptors, Vascular Endothelial Growth Factor / metabolism
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Structure-Activity Relationship
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Urea / analogs & derivatives*
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Urea / chemical synthesis
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Urea / pharmacology
Substances
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1-(2-chloro-4-((5-methyl-5H-pyrrolo(3,2-d)pyrimidin-4-yl)oxy)phenyl)-3-(4-((4-methylpiperazin-1-yl)methyl)-3-(trifluoromethyl)phenyl)urea
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Bridged Bicyclo Compounds, Heterocyclic
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Phenylurea Compounds
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Protein Kinase Inhibitors
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Pyrimidines
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Pyrroles
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Receptors, Fibroblast Growth Factor
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pyrrolopyrimidine
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Urea
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Receptor, TIE-2
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Receptors, Platelet-Derived Growth Factor
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Receptors, Vascular Endothelial Growth Factor