methyl 3-nitropyridin-4-yl carbamate | 98279-90-4

• 分子结构分类: 有机化合物 - 有机1,3-偶极化合物 - 烯丙基型1,3-偶极有机化合物
• 英文名称: methyl 3-nitropyridin-4-yl carbamate
• 英文别名: methyl 3-nitropyridyl-4-carbamate；(3-nitro-[4]pyridyl)-carbamic acid methyl ester；(3-Nitro-[4]pyridyl)-carbamidsaeure-methylester；methyl N-(3-nitropyridin-4-yl)carbamate
• CAS: 98279-90-4
• 化学式: C₇H₇N₃O₄
• 分子量: 197.15
• InChiKey: DZSHZDFLULOAKV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.14
• 拓扑面积：
  97
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  methyl 3-nitropyridin-4-yl carbamate 在 palladium on activated charcoal 氢气 作用下， 以 二乙二醇二甲醚 、 乙酸乙酯 为溶剂， 150.0 ℃ 、1000.0 kPa 条件下， 反应 48.0h， 生成 1,3-二氢-2H-咪唑并[4,5-c]吡啶-2-酮
  参考文献：
  名称：

  取代的1,3-二氢-2 H-咪唑并[4,5 - c ]吡啶-2-酮的制备

  摘要：

  研究了从4-氨基吡啶合成6-取代-咪唑并[4,5- c ]吡啶-2-酮的新途径。4-氨基吡啶保护成烷基氨基甲酸酯用五氧化二氮硝化相应的甲基，我丙基和吨丁基3-硝基吡啶-4-基氨基甲酸盐（5A-C在51-63％的产率）。尝试在由ONSH和VNS技术的6位来替代这些成功用丁基胺和吨丁基氨基甲酸酯9。由3-硝基吡啶-4-氨基甲酸叔丁酯5a，5c 1,3-二氢-2 H-咪唑并[4,5- c ]吡啶-2-一（1）分别以73％和39％的产率形成。叔丁基6 - N-丁基氨基-3氨基吡啶-4-氨基甲酸酯（6）得到6-丁基氨基-1,3-二氢-2 H-咪唑并[4,5 - c ]-吡啶-2-酮（7），产率为53％。

  DOI：

  10.1002/jhet.5570400405
• 作为产物：
  描述：

  N-吡啶-4-基氨基甲酸甲酯 在 五氧化二氮 、 sodium hydrogensulfite 作用下， 以 硝基甲烷 、 甲醇 为溶剂， 反应 0.17h， 生成 methyl 3-nitropyridin-4-yl carbamate
  参考文献：
  名称：

  取代的1,3-二氢-2 H-咪唑并[4,5 - c ]吡啶-2-酮的制备

  摘要：

  研究了从4-氨基吡啶合成6-取代-咪唑并[4,5- c ]吡啶-2-酮的新途径。4-氨基吡啶保护成烷基氨基甲酸酯用五氧化二氮硝化相应的甲基，我丙基和吨丁基3-硝基吡啶-4-基氨基甲酸盐（5A-C在51-63％的产率）。尝试在由ONSH和VNS技术的6位来替代这些成功用丁基胺和吨丁基氨基甲酸酯9。由3-硝基吡啶-4-氨基甲酸叔丁酯5a，5c 1,3-二氢-2 H-咪唑并[4,5- c ]吡啶-2-一（1）分别以73％和39％的产率形成。叔丁基6 - N-丁基氨基-3氨基吡啶-4-氨基甲酸酯（6）得到6-丁基氨基-1,3-二氢-2 H-咪唑并[4,5 - c ]-吡啶-2-酮（7），产率为53％。

  DOI：

  10.1002/jhet.5570400405

文献信息

• Nitropyridyl isocyanates
  作者：Jarle Holt、Trygve Andreassen、Jan M. Bakke、Anne Fiksdahl

  DOI：10.1002/jhet.5570420213

  日期：2005.3

  the first preparation of 3-nitro-4-pyridyl isocyanate 9 and 5-nitro-2-pyridyl isocyanate 18. They were formed by Curtius rearrangement of the corresponding acyl azides 8 and 17, prepared from methyl 3-nitro-4-pyridinecarboxylate 6 via the hydrazide 7 and 5-nitro-picolinic acid 16, respectively. The substrates 6 and 16 were generated by nitration of methyl 4-pyridinecarboxylate 5 and nitration and oxidation

  我们在此报告异氰酸3-3-硝基-4-吡啶基酯9和异氰酸5-硝基-2-吡啶基酯18的首次制备。它们是由相应的酰基叠氮化物的Curtius重排而形成8和17，从3-硝基-4-吡啶羧酸甲酯制备6 经由酰肼7和5-硝基-吡啶甲酸16分别。通过硝化4-吡啶甲酸甲酯5和硝化并氧化2-甲基吡啶14来生成底物6和16。3-硝基-4-吡啶基异氰酸酯9可以保存在干燥溶液中，并且在室温下稳定数周，而5-硝基-2-吡啶基异氰酸酯18的稳定性较差，应立即用于合成目的。
• Formulating a new basis for the treatment against botulinum neurotoxin intoxication: 3,4-Diaminopyridine prodrug design and characterization
  作者：Joseph S. Zakhari、Isao Kinoyama、Mark S. Hixon、Antonia Di Mola、Daniel Globisch、Kim D. Janda

  DOI：10.1016/j.bmc.2011.09.019

  日期：2011.11

  Botulism is a disease characterized by neuromuscular paralysis and is produced from botulinum neurotoxins (BoNTs) found within the Gram positive bacterium Clostridium botulinum. This bacteria produces the most deadliest toxin known, with lethal doses as low as 1 ng/kg. Due to the relative ease of production and transport, the use of these agents as potential bioterrorist weapons has become of utmost concern. No small molecule therapies against BoNT intoxication have been approved to date. However, 3,4-diaminopyridine (3,4-DAP), a potent reversible inhibitor of voltage-gated potassium channels, is an effective cholinergic agonist used in the treatment of neuromuscular degenerative disorders that require cholinergic enhancement. 3,4-DAP has also been shown to facilitate recovery of neuromuscular action potential post botulinum intoxication by blocking K(+) channels. Unfortunately, 3,4-DAP displays toxicity largely due to blood-brain-barrier (BBB) penetration. As a dual-action prodrug approach to cholinergic enhancement we have designed carbamate and amide conjugates of 3,4-DAP. The carbamate prodrug is intended to be a slowly reversible inhibitor of acetylcholinesterase (AChE) along the lines of the stigmines thereby allowing increased persistence of released acetylcholine within the synaptic cleft. As a secondary activity, cleavage of the carbamate prodrug by AChE will afford the localized release of 3,4-DAP, which in turn, will enhance the pre-synaptic release of additional acetylcholine. Being a competitive inhibitor with respect to acetylcholine, the activity of the prodrug will be greatest at the synaptic junctions most depleted of acetylcholine. Here we report upon the synthesis and biochemical characterization of three new classes of prodrugs intended to limit previously reported stability and toxicity issues. Of the prodrugs examined, compound 32, demonstrated the most clinically relevant half-life of 2.76 h, while selectively inhibiting AChE over butyrylcholinesterase-a plasma-based high activity esterase. Future in vivo studies could provide validation of prodrug 32 as a potential treatment against BoNT intoxication as well as other neuromuscular disorders. (C) 2011 Elsevier Ltd. All rights reserved.
• TAKAHASHI; UEDA, Pharmaceutical bulletin, 1956, vol. 4, # 2, p. 133 - 135
  作者：TAKAHASHI、UEDA

  DOI：——

  日期：——
• Preparation of substituted 1,3-dihydro-2<i>H</i>-imidazo[4,5-<i>c</i>]pyridin-2-ones
  作者：Jan M. Bakke、Hanna S. H. Gautun、Harald Svensen

  DOI：10.1002/jhet.5570400405

  日期：2003.7

  butyl-amine and the t-butyl carbamate 9. From the methyl or t-butyl 3-nitropyridin-4-yl carbamates 5a, 5c 1,3-dihydro-2H-imidazo[4,5-c]pyridin-2-one (1) was formed in 73 and 39 % yields, respectively. t-Butyl 6-N-butylamin-3-aminopyridin-4-yl carbamate (6) gave 6-butylamino-1,3-dihydro-2H-imidazo[4,5-c]-pyridin-2-one (7) in 53 % yield.

  研究了从4-氨基吡啶合成6-取代-咪唑并[4,5- c ]吡啶-2-酮的新途径。4-氨基吡啶保护成烷基氨基甲酸酯用五氧化二氮硝化相应的甲基，我丙基和吨丁基3-硝基吡啶-4-基氨基甲酸盐（5A-C在51-63％的产率）。尝试在由ONSH和VNS技术的6位来替代这些成功用丁基胺和吨丁基氨基甲酸酯9。由3-硝基吡啶-4-氨基甲酸叔丁酯5a，5c 1,3-二氢-2 H-咪唑并[4,5- c ]吡啶-2-一（1）分别以73％和39％的产率形成。叔丁基6 - N-丁基氨基-3氨基吡啶-4-氨基甲酸酯（6）得到6-丁基氨基-1,3-二氢-2 H-咪唑并[4,5 - c ]-吡啶-2-酮（7），产率为53％。