5'-O-acetyl-floxuridine | 2823-52-1

• 分子结构分类: 有机化合物 - 核苷、核苷酸和类似物 - 嘧啶核苷
• 英文名称: 5'-O-acetyl-floxuridine
• 英文别名: 5'-O-acetyl-FUdR；[(2R,3S,5R)-5-(5-fluoro-2,4-dioxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methyl acetate
• CAS: 2823-52-1
• 化学式: C₁₁H₁₃FN₂O₆
• 分子量: 288.232
• InChiKey: DHQZGICUCAQLGL-DJLDLDEBSA-N

物化性质

• 密度：
  1.53±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -1.1
• 重原子数：
  20
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.55
• 拓扑面积：
  105
• 氢给体数：
  2
• 氢受体数：
  7

反应信息

• 作为产物：
  描述：

  [(2R,5R)-5-(5-fluoro-2,4-dioxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methyl 4-methylbenzenesulfonate 、 sodium acetate 生成 5'-O-acetyl-floxuridine
  参考文献：
  名称：

  NAMIKAVA, DZYUNITI;TOMINAGA, MITIAKI;MANABEH, JOSIAKI

  摘要：

  DOI：

文献信息

• Regioselective Acylation of Nucleosides Catalyzed by<i>Candida Antarctica</i>Lipase B: Enzyme Substrate Recognition
  作者：Ning Li、Min-Hua Zong、Ding Ma

  DOI：10.1002/ejoc.200800780

  日期：2008.11

  The substrate recognition of Candida antarctica lipase B (CAL-B) in the acylation of nucleosides was revealed through rational substrate engineering for the first time. CAL-B displayed lower activities and excellent 5-regioselectivities (94 to 99 %) in the acylation of ribonucleosides 1f–1j as compared to those in the acylation of 2-deoxynucleosides 1a– 1e. The excellent regioselectivities might be

  首次通过合理的底物工程揭示了南极念珠菌脂肪酶B（CAL-B）在核苷酰化中的底物识别。与 2-脱氧核苷 1a-1e 的酰化相比，CAL-B 在核糖核苷 1f-1j 的酰化中表现出较低的活性和优异的 5-区域选择性（94% 至 99%）。优异的区域选择性可能归因于存在于 2-羟基中的有利的空间位阻
• Regioselective acylation of nucleosides and their analogs catalyzed by Pseudomonas cepacia lipase: enzyme substrate recognition
  作者：Ning Li、Min-Hua Zong、Ding Ma

  DOI：10.1016/j.tet.2008.11.045

  日期：2009.1

  The substrate recognition of Pseudomonas cepacia lipase in the acylation of nucleosides was investigated by means of rational substrate engineering for the first time. P. cepacia lipase displayed excellent 3′-regioselectivities (96 to >99%) in the lauroylation of 2′-deoxynucleosides 1a–1e, while low to good 3′-regioselectivities (59–89%) in the lauroylation of ribonucleosides 1f–1j. It might be due

  首次通过合理的底物工程研究了假单胞菌脂肪酶在核苷酰化中的底物识别。P. cepacia脂肪酶在2'-脱氧核苷1a - 1e的月桂酰化中显示出极好的3'-区域选择性（96至> 99％），而在核糖核苷1f -12的月桂酰化中显示低至良好的3'-区域选择性（59-89％）。1J。这可能是由于1f – 1j的2'-羟基之间不利的氢键相互作用酪氨酸残基中的酪氨酸残基和酚羟基存在于酶的另一个疏水口袋中，可稳定5'-酰化过渡态的构象，从而增加次要区域异构体的数量。此外，脂肪酶成功地合成了氟尿苷的各种酯衍生物，其转化率高（99％），并且在温和条件下具有良好至优异的3'-区域选择性。检查了酶对各种酰基供体的识别。根据脂肪酶活性位点的结构，尤其是大小，形状和理化性质，对酰基的酶促识别是合理的。
• Beta-L-N4-Hydroxycytosine Deoxynucleosides and their use as Pharmaceutical Agents in the Prophylaxis or Therapy of Viral Diseases
  申请人：Matthes Eckart

  公开号：US20090105186A1

  公开（公告）日：2009-04-23

  The invention relates to β-L-N4-hydroxycytosine nucleo-sides, pharmaceutical agents comprising same, and to the use of said β-L-N4-hydroxycytosine nucleosides and pharmaceutical agents in the prophylaxis or therapy of an infection caused by hepatitis B virus (HBV) or human immunodeficiency virus (HIV). The invention also relates to a method for the preparation of said β-L-nucleoside analogs.

  该发明涉及β-L-N4-羟基胞嘧啶核苷，包含相同核苷的药物，以及利用该β-L-N4-羟基胞嘧啶核苷和药物在预防或治疗由乙型肝炎病毒（HBV）或人类免疫缺陷病毒（HIV）引起的感染中的用途。该发明还涉及一种制备该β-L-核苷类似物的方法。
• Activity of esterase in the hydrolysis of 3',5'-diesters of 5-fluoro-2'-deoxyuridine in relation to the structure of the diester prodrugs.
  作者：TAKEO KAWAGUCHI、YOSHIKI SUZUKI、YOKO NAKAHARA、NAOKI NAMBU、TSUNEJI NAGAI

  DOI：10.1248/cpb.33.301

  日期：——

  The activity of porcine liver esterase towards diesters of 5-fluoro-2'-deoxyuridine with saturated aliphatic acids including acetic, propionic, butyric, hexanoic, octanoic, decanoic and dodecanoic acids was investigated. The susceptibility of the 3', 5'-diesters increased as the acyl chain was lengthened up to octanoyl, but further increase in the acyl chain length resulted in a sharp decrease in the susceptibility. The susceptibility of 3'-and 5'-monoesters increased as the chain was lengthened to decanoyl and slightly decreased on going to dodecanoyl. These results suggest that the higher antitumor activity of longer alkyl chain diesters of 5-fluoro-2'-deoxyuridine is partly due to their slow rates of hydrolysis by non-specific esterase.

  研究了猪肝脏酯酶对 5-氟-2'-脱氧尿苷与饱和脂肪族酸（包括乙酸、丙酸、丁酸、己酸、辛酸、癸酸和十二酸）的二酯的活性。随着酰基链延长至辛酰，3', 5'-二酯的易感性增加，但酰基链长度的进一步增加导致易感性急剧下降。3'-和 5'-单酯的敏感性随着酰基链延长到癸酰基而增加，当延长到十二酰基时则略有下降。这些结果表明，5-氟-2'-脱氧尿苷的长烷基链二酯具有较高的抗肿瘤活性，部分原因是它们被非特异性酯酶水解的速度较慢。
• Enzymatic regioselective acylation of the 3′-hydroxyl groups of 2′- deoxy-5-fluorouridine (FUdR) and 2′-Deoxy-5-trifiuoromethyluridine (CF3UdR).
  作者：Kenji Nozaki、Atuhiko Uemura、Jun-ichi Yamashita、Mitsugi Yasumoto

  DOI：10.1016/s0040-4039(00)88556-1

  日期：1990.1