计算溶液所需的质量、体积或浓度。
提供 ≥99% 纯度,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
Ensifentrine (RPL-554) is an inhaled first-in-class dual inhibitor of phosphodiesterase 3 (PDE3) and PDE4 with IC 50 s of 0.4 nM and 1479 nM, respectively. Ensifentrine has bronchoprotective and anti-inflammatory activities. Ensifentrine can be used for chronic obstructive pulmonary disease (COPD) research
In Vitro
Ensifentrine (RPL-554) inhibits, in a concentration-dependent manner, lipopolysaccharide-induced TNF-α release from human monocytes (IC 50 of 0.52 μM) and proliferation of human mononuclear cells to phytohemagglutinin (IC 50 of 0.46 μM). Electrical field stimulation-induced contraction of guinea pig superfused isolated tracheal preparations is significantly inhibited by Ensifentrine (10 μM). Contractile responses are suppressed for up to 12 h after termination of superfusion with RPL-554 demonstrating a long duration of action. MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
Ensifentrine (RPL-554; 10 mg/kg; Oral administration; once) significantly inhibits eosinophil recruitment following antigen challenge in ovalbumin-sensitized guinea pigs . The inhalation of dry powder containing Ensifentrine by conscious guinea pigs (25% in micronized lactose) 1.5 h before antigen exposure significantly inhibits the recruitment of eosinophils to the airways . Exposure of conscious guinea pigs to inhalation of dry powder containing Ensifentrine (2.5%) in micronized lactose significantly inhibits histamine-induced plasma protein extravasation in the trachea and histamine-induced bronchoconstriction over a 5.5-h period . MCE has not independently confirmed the accuracy of these methods. They are for reference only. Animal Model: Male Dunkin Hartley guinea pigs (200-300 g) injected with ovalbumin . Dosage: 10 mg/kg Administration: Oral administration; once Result: Significantly inhibits eosinophil recruitment following antigen challenge in ovalbumin-sensitized guinea pigs.
Form:Solid
IC50& Target:PDE3 0.4 nM (IC 50 ) PDE4 1479 nM (IC 50 )
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机杂环化合物 |
| 类(Class) | 吡啶并嘧啶 |
| 亚类(Subclass) | 暂无 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 吡啶并嘧啶 |
| 其他上位类(Alternative Parents) | 茴香醚 嘧啶酮类 烷基芳基醚 吡啶及其衍生物 咪唑内酰胺类 苯及其取代衍生物 杂芳族化合物 尿素 氮杂环化合物 有机氮化合物 有机氧化物 碳氢化合物衍生物 羰基化合物 |
| 分子骨架(Molecular Framework) | 芳香族杂多环化合物 |
| 取代基(Substituents) | 芳基醚 - 茴香醚 - 芳香族杂多环化合物 - 氮杂环 - 苯基化合物 - 羰基 - 乙醚 - 杂芳香族化合物 - 烃衍生物 - 咪唑内酰胺 - 单环苯基基团 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机氮化合物 - 有机氧化合物 - 苯酚醚 - 吡啶 - 吡啶吡啶 - 嘧啶 - 嘧啶酮 - 脲 |
| 描述(Description) | 该化合物属于吡啶嘧啶类有机化合物。这类化合物含有吡啶嘧啶结构单元,即吡啶与嘧啶并联形成的环状结构。吡啶为由五个碳原子和一个氮原子构成的六元环,嘧啶则由四个碳原子及位于1位和3位的两个氮原子构成的六元环。 |
| 外部描述符(External Descriptors) | 暂无 |
| 作用机制 | Action Type | target ID | Target Name | Target Type | Target Organism | Binding Site Name | 参考文献 |
|---|