Synthesis and Evaluation of 1-hydroxybenzotriazole Derivatives: Dual Inhibitors of Carbonic Anhydrase II and Sodium Hydrogen Exchanger I
作者:Dhandeep Singh、Nirmal Singh
DOI:10.2174/1570178617999201014164710
日期:2021.7.29
<p>Ischemia reperfusion injury is responsible for impaired graft functioning in organ transplants,
cerebral dysfunction, ischemic heart diseases, systemic inflammatory response syndrome,
gastrointestinal dysfunction, and multiple organ dysfunction syndromes. Intracellular pH is critical
for cell survival in ischemia reperfusion injury. Sodium hydrogen exchanger I and carbonic anhydrase
II are critical in the regulation of intracellular pH. Inhibition of sodium hydrogen exchanger I
and carbonic anhydrase II during reperfusion is found to ameliorate ischemia reperfusion injury
separately. An attempt is made to synthesize dual inhibitors of sodium hydrogen exchanger and
carbonic anhydrase to have better potential drug molecule in ischemia reperfusion injury treatment.
The hydroxybenzotriazole is considered as a central pharmacophore for this dual activity and 12
derivatives are synthesized. All derivatives are tested for sodium hydrogen exchanger I and carbonic
anhydrase II inhibitory activity. The tosylate derivative (12) is found to be the most potent
derivative with IC50 158.7± 8.4 μM for carbonic anhydrase II and 31.07 ± 1.06 μM for sodium
hydrogen exchanger I. Although the potency is less than standard drugs but this is the first report
of dual inhibitor of carbonic anhydrase II and sodium hydrogen exchanger.</p>
</sec></div>
<div class="value-text ch">缺血再灌注损伤是器官移植中移植物功能受损的原因,也与脑功能障碍、缺血性心脏病、全身炎症反应综合征、胃肠功能障碍和多器官功能障碍综合征有关。细胞内pH对于缺血再灌注损伤中的细胞存活至关重要。钠氢交换蛋白I和碳酸酐酶II在调节细胞内pH方面起着关键作用。在再灌注期间抑制钠氢交换蛋白I和碳酸酐酶II分别被发现可以缓解缺血再灌注损伤。为了在缺血再灌注损伤治疗中获得更好的潜在药物分子,尝试合成钠氢交换蛋白和碳酸酐酶的双重抑制剂。羟基苯并三唑被认为是这种双重活性的中心药效团,合成了12种衍生物。所有衍生物均经过测试,用于检测钠氢交换蛋白I和碳酸酐酶II的抑制活性。对甲磺酸酯衍生物(12)发现是最有效的衍生物,对碳酸酐酶II的IC50为158.7±8.4 μM,对钠氢交换蛋白I的IC50为31.07±1.06 μM。尽管其效力低于标准药物,但这是对碳酸酐酶II和钠氢交换蛋白的双重抑制剂的首次报道。</div>
</div>
</li>
<li class="feature-list-item">
<div class="content-title">Highly Symmetrical Amino Acid-Derived<i>N,N</i>′-Diacylated Sulfodiimines</div>
<div class="value">
<div class="value-text">
<span>作者:</span>Carsten Bolm、Juan R. Dehli </div>
<div class="value-text">
<span>DOI:</span>10.1055/s-2005-861843
</div>
<div class="value-text">
<span>日期:</span>——
</div>
<div class="value-text en">A mild and efficient method for the coupling of sulfodiimines with N-protected amino acids has been developed, yielding the corresponding N,N′-diacylated sulfodiimines with up to 94% yield.</div>
<div class="value-text ch">开发了一种温和有效的磺基二亚胺与 N-保护氨基酸偶联方法,产生相应的 N,N'-二酰基化磺基二亚胺,收率高达 94%。</div>
</div>
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<li class="feature-list-item">
<div class="content-title">Heparin oligosaccharides</div>
<div class="value">
<div class="value-text">
<span>申请人:</span>Hung Shang-Cheng
</div>
<div class="value-text">
<span>公开号:</span>US20060079483A1
</div>
<div class="value-text">
<span>公开(公告)日:</span>2006-04-13
</div>
<div class="value-text en">The present invention provides composition and methods for the synthesis of low molecular weight heparins and heparinoids. The present invention also provides compositions having substantially homogenous populations of desired heparin molecules, or molecules useful in the synthesis of heparin oligosaccharides.</div>
<div class="value-text ch">本发明提供了合成低分子量肝素和肝素样物的组合物和方法。本发明还提供了具有所需肝素分子或用于合成肝素寡糖的分子的基本均匀群体的组合物。</div>
</div>
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