Fluorinated Pyrrolo[2,3-<i>d</i>]pyrimidine Nucleosides: 7- Fluoro-7-deazapurine 2′-Deoxyribofuranosides and 2′-Deoxy-2′-fluoroarabinofuranosyl Derivatives
作者:Frank Seela、Kuiying Xu、Padmaja Chittepu
DOI:10.1055/s-2006-942400
日期:2006.6
7-deaza-7-fluoro- 2¢-deoxyinosine (3a) and 7-deaza-7-fluoro- 2¢-deoxyguanosine (3c) as well as of the 2¢-deoxy-2¢-fluoroarabino- furanosyl derivatives 1b, 3b are described. Starting materials were 6-chloro-7-fluoro-7-deazapurine (4-chloro-5-fluoropyrrolo(2,3- d)pyrimidine, 4b) and 2-pivaloylamino-6-chloro-7-fluoro-7-deaza- purine (2-pivaloylamino-4-chloro-5-fluoropyrrolo(2,3-d)pyrimi- dine, 6). Nucleobase anion
7-deaza-7-fluoro-2¢-deoxyadenosine (1a)、7-deaza-7-fluoro-2¢-deoxyinosine (3a) 和 7-deaza-7-fluoro-2¢-deoxyguanosine (3c) 的合成以及 2¢-deoxy-2¢-fluoroarabino-furanosyl 衍生物 1b、3b 的描述。起始原料是 6-chloro-7-fluoro-7-deazapurine (4-chloro-5-fluoropyrrolo(2,3-d)pyrimidine, 4b) 和 2-pivaloylamino-6-chloro-7-fluoro-7-deaza-嘌呤 (2-pivaloylamino-4-chloro-5-fluoropyrrolo(2,3-d)pyrimidine, 6)。4b 或 6 与卤代糖 7 或 9 的核碱基阴离子糖基化提供受保护的