5-氨基吡嗪-4-羧酸 | 21579-37-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 中文名称: 5-氨基吡嗪-4-羧酸
• 中文别名: 5-氨基哒嗪-4-甲酸
• 英文名称: 5-aminopyridazine-4-carboxylic acid
• 英文别名: 5-Amino-pyridazin-4-carbonsaeure；4-Amino-pyridazin-5-carbonsaeure
• CAS: 21579-37-3
• 化学式: C₅H₅N₃O₂
• 分子量: 139.114
• InChiKey: AKPRYFURIIOSPV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.8
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  89.1
• 氢给体数：
  2
• 氢受体数：
  5

安全信息

• 海关编码：
  2933990090

反应信息

• 作为反应物：
  描述：

  5-氨基吡嗪-4-羧酸 在 lithium hydroxide monohydrate 、 硫酸 、 sodium hydride 作用下， 以 四氢呋喃 、 甲醇 、 水 、 N,N-二甲基甲酰胺 、 mineral oil 为溶剂， 反应 21.5h， 生成 5-((3aR,5r,6aS)-5-(2-(trifluoromethyl)phenyl)octahydrocyclopenta[c]pyrrole-2-ylcarboxamido)pyridazine-4-carboxylic acid
  参考文献：
  名称：

  Design, Synthesis, and Evaluation of Nonretinoid Retinol Binding Protein 4 Antagonists for the Potential Treatment of Atrophic Age-Related Macular Degeneration and Stargardt Disease

  摘要：

  Accumulation of lipofuscin in the retina is associated with pathogenesis of atrophic age-related macular degeneration and Stargardt disease. Lipofuscin bisretinoids (exemplified by N-retinylidene-N-retinylethanolamine) seem to mediate lipofuscin toxicity. Synthesis of lipofuscin bisretinoids depends on the influx of retinol from serum to the retina. Compounds antagonizing the retinol-dependent interaction of retinol-binding protein 4 (RBP4) with transthyretin in the serum would reduce serum RBP4 and retinol and inhibit bisretinoid formation. We recently showed that A1120 (3), a potent carboxylic acid based RBP4 antagonist, can significantly reduce lipofuscin bisretinoid formation in the retinas of Abca4(-/-). mice. As part of the NIH Blueprint Neurotherapeutics Network project we undertook the in vitro exploration to identify novel conformationally flexible and constrained RBP4 antagonists with improved potency and metabolic stability. We also demonstrate that upon acute and chronic dosing in rats, 43, a potent cyclopentyl fused pyrrolidine antagonist, reduced circulating plasma RBP4 protein levels by approximately 60%.

  DOI：

  10.1021/jm5010013

文献信息

• [EN] AGENTS FOR USE IN THE TREATMENT OF AMYLOIDOSIS<br/>[FR] AGENTS DESTINÉS À ÊTRE UTILISÉS DANS LE TRAITEMENT DE L'AMYLOÏDOSE
  申请人：UCL BUSINESS PLC

  公开号：WO2022058733A1

  公开（公告）日：2022-03-24

  The present invention relates to compounds for stabilising the native tetrameric form of transthyretin and protecting it from proteolytic cleavage; compounds for use in the prevention and treatment of transthyretin amyloidosis; and agents and medicaments comprising such compounds. The compounds are based on a general structure A-L-B, wherein A is a group of formula (II) or of formula (III): or of formula (IV) or of formula (V) B is a group of formula (III), (IV), or (V), or a group of formula (VI) or a group of formula –R10Z, wherein: Z is selected from -CO2R', -CONR'R'', -SO2R' wherein R' and R'' are independently H or C1-C4 alkyl; and R10 is a C1-C4 alkylene or alkenylene group; and L represents a linker group which is a saturated or unsaturated chain of 5 to 13 carbon atoms.

  本发明涉及用于稳定甲状腺素前体蛋白的四聚体形式并保护其免受蛋白水解切割的化合物；用于预防和治疗甲状腺素前体蛋白淀粉样变性的化合物；以及包含此类化合物的药剂和药物。这些化合物基于一般结构A-L-B，其中A是公式(II)或公式(III)的基团：或公式(IV)或公式(V) B是公式(III)、(IV)或(V)的基团，或公式(VI)的基团或公式-R10Z的基团，其中：Z从-CO2R'、-CONR'R''、-SO2R'中选择，其中R'和R''分别是H或C1-C4烷基；而R10是C1-C4烷基或烯基基团；L代表一个由5到13个碳原子组成的饱和或不饱和链的连接基团。
• Chimichi,S.; Nesi,R., Journal of Heterocyclic Chemistry, 1977, vol. 14, p. 1099 - 1100
  作者：Chimichi,S.、Nesi,R.

  DOI：——

  日期：——
• Design, Synthesis, and Evaluation of Nonretinoid Retinol Binding Protein 4 Antagonists for the Potential Treatment of Atrophic Age-Related Macular Degeneration and Stargardt Disease
  作者：Christopher L. Cioffi、Nicoleta Dobri、Emily E. Freeman、Michael P. Conlon、Ping Chen、Douglas G. Stafford、Daniel M. C. Schwarz、Kathy C. Golden、Lei Zhu、Douglas B. Kitchen、Keith D. Barnes、Boglarka Racz、Qiong Qin、Enrique Michelotti、Charles L. Cywin、William H. Martin、Paul G. Pearson、Graham Johnson、Konstantin Petrukhin

  DOI：10.1021/jm5010013

  日期：2014.9.25

  Accumulation of lipofuscin in the retina is associated with pathogenesis of atrophic age-related macular degeneration and Stargardt disease. Lipofuscin bisretinoids (exemplified by N-retinylidene-N-retinylethanolamine) seem to mediate lipofuscin toxicity. Synthesis of lipofuscin bisretinoids depends on the influx of retinol from serum to the retina. Compounds antagonizing the retinol-dependent interaction of retinol-binding protein 4 (RBP4) with transthyretin in the serum would reduce serum RBP4 and retinol and inhibit bisretinoid formation. We recently showed that A1120 (3), a potent carboxylic acid based RBP4 antagonist, can significantly reduce lipofuscin bisretinoid formation in the retinas of Abca4(-/-). mice. As part of the NIH Blueprint Neurotherapeutics Network project we undertook the in vitro exploration to identify novel conformationally flexible and constrained RBP4 antagonists with improved potency and metabolic stability. We also demonstrate that upon acute and chronic dosing in rats, 43, a potent cyclopentyl fused pyrrolidine antagonist, reduced circulating plasma RBP4 protein levels by approximately 60%.