A novel approach to the synthesis of lipophilic thymidinemonophosphoglucopyranosides as drug delivery systems
作者:Antonio De Nino、Angelo Liguori、Antonio Procopio、Edoardo Roberti、Giovanni Sindona
DOI:10.1016/0008-6215(96)00042-0
日期:1996.6
paper describes the synthesis of the hexadecyl phosphotriesters of thymidine 3′-(5′-deoxythymidin-5′-yl phosphate), thymidine 5′-(5′-deoxythymidin-5′-yl phosphate), thymidine 5′-(3′,5′-dideoxythymidin-5′-yl phosphate), thymidine 3′-[(methyl 6-deoxy-α- d -glucopyranosid-6-yl) phosphate], and thymidine 5′-[(methyl 6-deoxy-α- d -glucopyranosid-6-yl) phosphate]. The novel approach is based on the condensation
摘要本文描述了胸苷3'-(5'-脱氧胸苷5'-基磷酸),胸苷5'-(5'-脱氧胸苷5'-基磷酸),胸苷5'-( 3′,5′-二脱氧胸苷5′-基磷酸),胸苷3′-[((甲基6-脱氧-α-d-吡喃葡萄糖苷-6-基)磷酸]]和胸苷5′-[(甲基6-脱氧) -α-d-吡喃葡萄糖苷-6-基)磷酸盐]。该新方法基于未保护的核苷或吡喃糖苷与亲脂性磷酸二酯5'-O-二甲氧基三苯甲基胸苷3'-(十六烷基磷酸酯)和3'-O-二甲氧基三苯甲基胸苷5'-(磷酸十六烷基酯)的缩合。由十六烷基二氯次氯酸盐和5'-O-二甲氧基三苯甲基-或3'-二甲氧基三苯甲基-胸苷制成。后者是由得自胸苷的5'-O-(4-硝基苯甲酰基)胸苷高产率制备的,通过一锅法将4-硝基苯甲酸和双(2-氧代恶唑烷-3-基)次膦酰氯。在合成的早期引入脂族链防止了核碱基的烷基化,并允许未保护的核苷和吡喃糖苷的区域选择性磷酸化。