((2S,4S,5R)-5-(6-氯-9H-嘌呤-9-基)-4-氟四氢呋喃-2-基)苯甲酸甲酯 | 135473-20-0

• 分子结构分类: 有机化合物 - 核苷、核苷酸和类似物 - 嘌呤核苷
• 中文名称: ((2S,4S,5R)-5-(6-氯-9H-嘌呤-9-基)-4-氟四氢呋喃-2-基)苯甲酸甲酯
• 英文名称: 6-Chloro-9-(5-O-benzoyl-2,3-dideoxy-2-fluoro-β-D-threo-pentofuranosyl)-9H-purine
• 英文别名: 6-chloro-9-(5-benzoyl-2,3-dideoxy-2-fluoro-β-D-threo-pentafuranosyl)-9H-purine；6-chloro-9-(5-O-benzoyl-2,3-dideoxy-2-fluoro-β-D-arabinofuranosyl)purine；6-chloro-9-(5-0-benzoyl-2,3-dideoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purine；9-(5-O-benzoyl-2,3-dideoxy-2-fluoro-β-D-arabinofuranosyl)-6-chloropurine；[(2S,4S,5R)-5-(6-chloropurin-9-yl)-4-fluorooxolan-2-yl]methyl benzoate
• CAS: 135473-20-0
• 化学式: C₁₇H₁₄ClFN₄O₃
• 分子量: 376.775
• InChiKey: RLNCVSSZPROJTK-MQIPJXDCSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  26
• 可旋转键数：
  5
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  79.1
• 氢给体数：
  0
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  ((2S,4S,5R)-5-(6-氯-9H-嘌呤-9-基)-4-氟四氢呋喃-2-基)苯甲酸甲酯 在 palladium on activated charcoal ammonium hydroxide 、 氨 、 氢气 作用下， 以 四氢呋喃 、 甲醇 为溶剂， 25.0 ℃ 、344.73 kPa 条件下， 反应 3.0h， 生成 [(2S,4S,5R)-4-氟-5-嘌呤-9-基四氢呋喃-2-基]甲醇
  参考文献：
  名称：

  Enhanced Brain Delivery of an Anti-HIV Nucleoside 2'-F-ara-ddI by Xanthine Oxidase Mediated Biotransformation

  摘要：

  In order to enhance the brain delivery of 2'-F-ara-ddI, 2'-F-ara-ddP 6 was synthesized and its in vitro and in vivo bioconversion reaction studied. For the study, a new efficient synthetic method for 2'-F-ara-ddP 6 was developed from 5-benzoyl-1,2-0-isopropylidene-3-deoxyribose 1. For in vitro study 2'-F-ara-ddP was incubated in pH 2, mouse liver homogenate, and mouse serum at 37-degrees-C. No degradation was observed in pH 2 and serum, while in liver homogenate 2'-F-ara-ddP was almost completely converted to 2'-F-ara-ddI within 20 min (t1/2 = 3.54 min). In order to determine the role of xanthine oxidase in the conversion of 2'-F-ara-ddP to 2'-F-ara-ddI, in vitro studies were conducted in phosphate buffer (pH 7.4) in the presence or absence of allopurinol, in which the half-lives of 2'-F-ara-ddP were 7.4 and 3.4 h, respectively, indicating the conversions were catalyzed by the xanthine oxidase. A similar experiment with aldehyde oxidase isolated from the human liver did not affect the biotransformation. The biotransformation was also detected in the brain homogenate, although the rate of conversion was low and incomplete. In order to assess the bioconversion in vivo, pharmacokinetic studies of 2'-F-ara-ddP and 2'-F-ara-ddI were conducted in mice. The maximum serum concentrations of 2'-F-ara-ddI administered itself and as 2'-F-ara-ddP reached 48.1 +/- 10.00 and 89.3 +/- 26.0 muM and were observed in 1 and 0.25 h, respectively. The data indicate that 2'-F-ara-ddI is absorbed at a slower rate than that of 2'-F-ara-ddP. The bioavailability of the prodrug after oral administration was 60.7 %. The concentration of 2'-F-ara-ddI following oral administration of 2'-ara-ddI was close to the detection limits while 2'-F-ara-ddI was detected at significantly higher concentrations in the brain after oral administration of 2'-F-ara-ddP. From this study, we have administered the enhanced brain delivery of anti-HIV nucleoside utilizing an in vivo biotransformation system.

  DOI：

  10.1021/jm00032a017
• 作为产物：
  描述：

  [(3aR,5S,6aR)-2,2-dimethyltetrhydrofuro[2,3-d][1,3]dioxol-5-yl]methyl benzoate 在 二乙胺基三氟化硫 、 三氟甲磺酸三甲基硅酯 、 硫酸 作用下， 以 1,4-二氧六环 、 二氯甲烷 、 水 、 1,2-二氯乙烷 为溶剂， 反应 4.0h， 生成 ((2S,4S,5R)-5-(6-氯-9H-嘌呤-9-基)-4-氟四氢呋喃-2-基)苯甲酸甲酯
  参考文献：
  名称：

  Enhanced Brain Delivery of an Anti-HIV Nucleoside 2'-F-ara-ddI by Xanthine Oxidase Mediated Biotransformation

  摘要：

  In order to enhance the brain delivery of 2'-F-ara-ddI, 2'-F-ara-ddP 6 was synthesized and its in vitro and in vivo bioconversion reaction studied. For the study, a new efficient synthetic method for 2'-F-ara-ddP 6 was developed from 5-benzoyl-1,2-0-isopropylidene-3-deoxyribose 1. For in vitro study 2'-F-ara-ddP was incubated in pH 2, mouse liver homogenate, and mouse serum at 37-degrees-C. No degradation was observed in pH 2 and serum, while in liver homogenate 2'-F-ara-ddP was almost completely converted to 2'-F-ara-ddI within 20 min (t1/2 = 3.54 min). In order to determine the role of xanthine oxidase in the conversion of 2'-F-ara-ddP to 2'-F-ara-ddI, in vitro studies were conducted in phosphate buffer (pH 7.4) in the presence or absence of allopurinol, in which the half-lives of 2'-F-ara-ddP were 7.4 and 3.4 h, respectively, indicating the conversions were catalyzed by the xanthine oxidase. A similar experiment with aldehyde oxidase isolated from the human liver did not affect the biotransformation. The biotransformation was also detected in the brain homogenate, although the rate of conversion was low and incomplete. In order to assess the bioconversion in vivo, pharmacokinetic studies of 2'-F-ara-ddP and 2'-F-ara-ddI were conducted in mice. The maximum serum concentrations of 2'-F-ara-ddI administered itself and as 2'-F-ara-ddP reached 48.1 +/- 10.00 and 89.3 +/- 26.0 muM and were observed in 1 and 0.25 h, respectively. The data indicate that 2'-F-ara-ddI is absorbed at a slower rate than that of 2'-F-ara-ddP. The bioavailability of the prodrug after oral administration was 60.7 %. The concentration of 2'-F-ara-ddI following oral administration of 2'-ara-ddI was close to the detection limits while 2'-F-ara-ddI was detected at significantly higher concentrations in the brain after oral administration of 2'-F-ara-ddP. From this study, we have administered the enhanced brain delivery of anti-HIV nucleoside utilizing an in vivo biotransformation system.

  DOI：

  10.1021/jm00032a017

文献信息

• Lipophilic, Acid-Stable, Adenosine Deaminase-Activated Anti-HIV Prodrugs for Central Nervous System Delivery. 2. 6-Halo- and 6-Alkoxy Prodrugs of 2'-.beta.-Fluoro-2',3'-dideoxyinosine
  作者：Harry Ford、Maqbool Siddiqui、John S. Driscoll、Victor E. Marquez、James A. Kelley、Hiroaki Mitsuya、Takuma Shirasaka

  DOI：10.1021/jm00007a015

  日期：1995.3

  and 6-alkoxy-(OMe-, OEt-) 9-(2,3-dideoxy-2-fluoro-beta-D-threopentofuranosyl) purines (F-ddN) have been synthesized and characterized with the objective of finding compounds which might be superior to existing drugs for the treatment of HIV in the central nervous system. These compounds, which contain lipophilic 6-substituents, were chosen as acid-stable prodrugs for the anti-HIV-active F-ddN, 9-(2,3

  一系列6卤代（F-，Cl-，Br-，I-）和6-烷氧基-（OMe-，OEt-）9-（2,3-二脱氧-2-氟-β-D-叔戊基呋喃糖基）嘌呤（F-ddN）已被合成和表征，目的是发现在中枢神经系统中治疗HIV可能优于现有药物的化合物。这些含有亲脂性6位取代基的化合物被选作抗HIV活性F-ddN，9-（2,3-二脱氧-2-氟-β-D-苏-五呋喃糖基）次黄嘌呤的酸稳定前药（F-ddI），因为相对于F-ddI，它们具有增加血脑屏障渗透的潜力。所有新化合物均比目前批准的抗艾滋病药物更具亲脂性。相对于二羟肌苷（ddI），对于6-氯-和6-乙氧基类似物，分配系数增加了30倍和110倍。2' -氟取代消除了pH 1，核苷糖基键的酸催化裂解。然而，在pH 1时，观察到6-氟取代基的酸催化水解产生F-ddI的速率约为t1 / 2（0.54 h）。比其他前药快40-170倍。F-ddN作为F-ddI的前药的效用取决
• Lipophilic, Acid-Stable, Adenosine Deaminase-Activated Anti-HIV Prodrugs for Central Nervous System Delivery. 3. 6-Amino Prodrugs of 2‘-β-Fluoro-2‘,3‘-dideoxyinosine
  作者：John S. Driscoll、Maqbool A. Siddiqui、Harry Ford,、James A. Kelley、Jeri S. Roth、Hiroaki Mitsuya、Masatoshi Tanaka、Victor E. Marquez

  DOI：10.1021/jm9509197

  日期：1996.1.1

  dimethylamino compounds are ca. 100 times more lipophilic than ddI or F-ddI. As expected, 2'-fluoro substitution protects the compounds from acid-catalyzed glycosylic cleavage. Only the hydroxylamino and nitro analogs underwent any nonenzymatic hydrolysis at pH 1.0 or 7.4. This reaction, however, results in hydrolysis of the group in the 6-position rather than glycosylic bond cleavage. ADA catalyzes

  合成并表征了一系列9-（2,3-二脱氧-2-氟-β-D-苏-五氟呋喃糖基）嘌呤（F-ddN）的6个取代氨基类似物，目的是发现可能是在治疗中枢神经系统中的HIV方面优于现有药物。这些化合物比目前批准的抗HIV药物具有更高的亲脂性，可以更好地渗透血脑屏障。随后腺苷脱氨酶（ADA）催化的这些前药在大脑中的水解可产生抗HIV药物9-（2,3-二脱氧-2-氟-β-D-苏-五呋喃糖基）次黄嘌呤（F- ddI）。由相应的6-氯类似物合成的新化合物包括F-ddN，其中含有甲基氨基，乙基氨基，二甲基氨基，羟基氨基，甲氧基氨基，苄氧基氨基，肼基，和在6-位的硝基取代基。在制备6-氯衍生物的过程中，以意外产物的形式分离了6-硝基类似物。在具有抗HIV活性的类似物中，乙氨基和二甲氨基化合物为约。亲脂性比ddI或F-ddI高100倍。如所预期的，2'-氟取代保护化合物免受酸催化的糖基裂解。在pH 1.0或7.4下，
• Therapeutic azide compounds
  申请人：University of Georgia Research Foundation, Inc.

  公开号：US20010036930A1

  公开（公告）日：2001-11-01

  Pharmaceutical prodrug compositions are provided comprising azide derivatives of drugs which are capable of being converted to the drug in vivo. Azide derivatives of drugs having amine, ketone and hydroxy substituents are converted in vivo to the corresponding drugs, increasing the half-life of the drugs. In addition azide prodrugs are often better able to penetrate the blood-brain barrier than the corresponding drugs. Especially useful are azide derivatives of cordycepin, 2′-F-ara-ddI, AraA, acyclovir, penciclovir and related drugs. Useful azide prodrugs are azide derivatives of therapeutic alicyclic amines, ketones, and hydroxy-substituted compounds, including aralkyl, heterocyclic aralkyl, and cyclic aliphatic compounds, where the amine or oxygen moiety is on the ring, or where the amine or oxygen moiety is on an aliphatic side chain, as well as therapeutic purines and pyrimidines, nucleoside analogs and phosphorylated nucleoside analogs.

  提供了药物前药组成物，其中包括具有可在体内转化为药物的药物的偶氮衍生物。具有胺基，酮基和羟基取代基的药物的偶氮衍生物在体内转化为相应的药物，增加了药物的半衰期。此外，偶氮前药通常比相应的药物更能穿过血脑屏障。特别有用的是cordycepin，2'-F-ara-ddI，AraA，acyclovir，penciclovir和相关药物的偶氮衍生物。有用的偶氮前药是治疗性脂环烷胺，酮和羟基取代化合物的偶氮衍生物，包括芳基烷基，杂环芳基烷基和环状脂肪族化合物，其中胺基或氧原子基团位于环上，或胺基或氧原子基团位于脂肪侧链上，以及治疗性嘌呤和嘧啶，核苷类似物和磷酸化核苷类似物。
• Deoxyfluoronucleoside process
  申请人：Bristol-Myers Squibb Company

  公开号：EP0428109A2

  公开（公告）日：1991-05-22

  There is disclosed a process for synthesizing 2′-­fluoro-2′,3′-dideoxyarabinofuranose derivatives of inosine and adenine on a large scale which involves coupling of a fluorosugar derivative and a purine reactant to provide a purine nucleoside intermediate which is then deoxygenated. 6-Chloro or 6-benzamidopurine and 1,3,5-tri-O-benzoyl-2-­deoxy-2-fluoroarabinofuranose are used as starting materials.

  本发明公开了一种大规模合成肌苷和腺嘌呤的 2′-氟-2′,3′-二脱氧阿拉伯呋喃糖衍生物的工艺，该工艺包括将一种氟糖衍生物和一种嘌呤反应物偶联，以提供一种嘌呤核苷中间体，然后将其脱氧。6-Cloro 或 6-benzamidopurine 和 1,3,5-tri-O-benzoyl-2-de-deoxy-2-fluoroarabinofuranose 可用作起始原料。
• Wysocki Jr.; Siddiqui; Barchi Jr., Synthesis, 1991, # 11, p. 1005 - 1008
  作者：Wysocki Jr.、Siddiqui、Barchi Jr.、Driscoll、Marquez

  DOI：——

  日期：——