Synthesis of 3‘- and 5‘-Nitrooxy Pyrimidine Nucleoside Nitrate Esters: “Nitric Oxide Donor” Agents for Evaluation as Anticancer and Antiviral Agents
作者:Ebrahim Naimi、Aihua Zhou、Panteha Khalili、Leonard I. Wiebe、Jan Balzarini、Erik De Clercq、Edward E. Knaus
DOI:10.1021/jm020299r
日期:2003.3.1
lines possessing the herpes simplex virus type 1 (HSV-1) thymidine kinase gene (TK(+)) were observed, indicating that expression of the viral TK enzyme did not provide a gene therapeutic effect. These nitrate esters were inactive antiviral agents except for 5-iodo-3'-O-nitro-2'-deoxyuridine that showed modest activity against HSV-1, HSV-2, and vaccinia virus.
一组3'-O-硝基-2'-脱氧尿苷,3'-O-硝基-2'-脱氧胞苷和5'-O-硝基-2'-脱氧尿苷具有各种取代基(H,Me,F ,I)在C-5位被合成为具有抗癌/抗病毒剂的能力,所述抗癌/抗病毒剂具有伴随释放细胞毒性一氧化氮(* NO)的能力。尽管这些化合物通常在l-半胱氨酸或血清存在下孵育后释放的NO含量比参考药物异山梨醇二硝酸盐更高,但它们的细胞毒性(CC(50)= 10(-3)至10(-6)M范围)与5-碘-2'-脱氧尿苷相当,但对多种癌细胞系却比5-氟-2'-脱氧尿苷弱。对未转染的(KBALB,143B)和相应的转染的(KBALB-STK,观察到具有1型单纯疱疹病毒(HSV-1)胸苷激酶基因(TK(+))的143B-LTK)癌细胞系,表明病毒TK酶的表达未提供基因治疗作用。这些硝酸酯是无活性的抗病毒药,除了5-碘-3'-O-硝基-2'-脱氧尿苷对HSV-1,HSV-2和牛痘病毒表现出适度的活性。