One-Electron reduction characteristics of N(3)-Substituted 5-fluorodeoxyuridines synthesized as radiation-Activated prodrugs
作者:Kazuhito Tanabe、Youhei Mimasu、Akira Eto、Yukihiro Tachi、Shingo Sakakibara、Mayuko Mori、Hiroshi Hatta、Sei-ichi Nishimoto
DOI:10.1016/j.bmc.2003.08.001
日期:2003.10
We designed and synthesized N(3)-substituted 5-fluorodeoxyuridines as radiation-activated prodrugs of the antitumor agent, 5-fluorodeoxyuridine (5-FdUrd). A series of 5-FdUrd derivatives possessing a 2-oxoalkyl group at the N(3)-position released 5-FdUrd in good yield via one-electron reduction initiated by hypoxic irradiation. Cytotoxicity of the 5-FdUrd derivative possessing the 2-oxocyclopentyl group (3d) was low, but was enhanced by hypoxic irradiation resulting in 5-FdUrd release. (C) 2003 Elsevier Ltd. All rights reserved.