Syntheses of 1-[(2-Hydroxyethoxy)methyl]- and 1-[(1,3-Dihydroxy-2-Propoxy)methyl]- Derivatives of 5-Substituted-2,4-difluorobenzene: Unnatural Acyclo Thymidine Mimics for Evaluation as Anticancer and Antiviral Agents
摘要:
A group of 1 -[(2-hydroxyethoxy)methyl] - (12) and 1-[(1,3-dihydroxy-2-propoxy)methyl]- (13) derivatives of 2,4-difluorobenzene possessing a variety of C-5 substituents (R = Me, H, I, NO(2)) were designed with the expectation that they may serve as acyclic 5-substituted-2'-deoxyuridine (thymidine) mimics. Compounds 12 and 13 (R= Me, H, I) were inactive as anticancer agents (CC(50) = 10(-3) to 10(-4) M range), whereas the 5-nitro compounds (12d, 13d) exhibided weak-to-moderate cytotoxicity (ICC(50) = 10(-5) to 10(-6) M range) against a variety of cancer cell lines. All compounds prepared (12a-d, 13a-d) were inactive as antiviral agents in a broad-spectrum antiviral screen that also included the human immunodeficiency virus (HIV-1 and HIV-2) and herpes simplex virus(HSV-1 and HSV-2).
A heterocyclic derivative represented by formula (I), or a pharmaceutically acceptable salt or a stereoisomer thereof, which has an inhibitory effect on the activation of STAT3 protein, and is useful for the prevention or treatment of diseases associated with the activation of STAT3 protein.