Design, synthesis and preliminary biological evaluation of C-8 substituted guanine derivatives as small molecular inhibitors of FGFRs. 2015

Faqing Ye, and Liangfang Chen, and Lichuan Hu, and Tong Xiao, and Shufang Yu, and Di Chen, and Yu Wang, and Guang Liang, and Zhiguo Liu, and Sicen Wang
School of Pharmacy, Health Science Center Xi'an Jiaotong University, Xi'an 710061, China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.

Two series of C-8 substituted guanine derivatives were synthesized, one bearing 2-amino substitutions and the other bearing 2-acetamide substitutions. Biological activity tests showed that almost all of them possessed some extent of antitumor activities, and were with lower toxicity against normal human liver HL7702 cells than AZD4547 (the positive control). Among them, N-[8-(4-bromo-1H-indol-3-yl)-6-hydroxy-9H-purin-2-yl]-acetamide exhibited a relatively satisfied inhibition against FGFR1 kinase with IC50 of 1.56 μM and specifically against A549 cells with IC50 of 8.28 μM and B16-F10 cells with IC50 of 6.59 μM. Above all, the introduction of large substituents such as indolyl groups at 8-position of the guanine scaffold probably achieves higher selectivity for FGFR1 as compared with AZD4547.

UI MeSH Term Description Entries
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D006147 Guanine
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D015195 Drug Design The molecular designing of drugs for specific purposes (such as DNA-binding, enzyme inhibition, anti-cancer efficacy, etc.) based on knowledge of molecular properties such as activity of functional groups, molecular geometry, and electronic structure, and also on information cataloged on analogous molecules. Drug design is generally computer-assisted molecular modeling and does not include PHARMACOKINETICS, dosage analysis, or drug administration analysis. Computer-Aided Drug Design,Computerized Drug Design,Drug Modeling,Pharmaceutical Design,Computer Aided Drug Design,Computer-Aided Drug Designs,Computerized Drug Designs,Design, Pharmaceutical,Drug Design, Computer-Aided,Drug Design, Computerized,Drug Designs,Drug Modelings,Pharmaceutical Designs
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D047428 Protein Kinase Inhibitors Agents that inhibit PROTEIN KINASES. Protein Kinase Inhibitor,Inhibitor, Protein Kinase,Inhibitors, Protein Kinase,Kinase Inhibitor, Protein,Kinase Inhibitors, Protein
D051496 Receptor, Fibroblast Growth Factor, Type 1 A fibroblast growth factor receptor with specificity for FIBROBLAST GROWTH FACTORS; HEPARAN SULFATE PROTEOGLYCAN; and NEURONAL CELL ADHESION MOLECULES. Several variants of the receptor exist due to multiple ALTERNATIVE SPLICING of its mRNA. Fibroblast growth factor receptor 1 contains three extracellular IMMUNOGLOBULIN C2-SET DOMAINS and is a tyrosine kinase that transmits signals through the MAP KINASE SIGNALING SYSTEM. Fibroblast Growth Factor Receptor 1,CD331 Antigen,FGFR1 Protein,FGFR1 Tyrosine Kinase,Fibroblast Growth Factor Soluble Receptor 1,fms-Like Tyrosine Kinase-2,Antigen, CD331,fms Like Tyrosine Kinase 2
D054852 Small Molecule Libraries Large collections of small molecules (molecular weight about 600 or less), of similar or diverse nature which are used for high-throughput screening analysis of the gene function, protein interaction, cellular processing, biochemical pathways, or other chemical interactions. It includes virtual libraries. Chemical Libraries,Molecular Libraries, Small,Libraries, Chemical,Libraries, Small Molecular,Libraries, Small Molecule,Molecule Libraries, Small,Small Molecular Libraries

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