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  4. L-699333

L-699333是一种5-脂氧合酶（5-LO）抑制剂，属于噻吩并[2,3,4-cd]吲哚类。这种化合物具有2-乙氧丁酸侧链，能够有效抑制人体5-LO产生的5-HPETE和LTB4的生物合成，对人类中性粒细胞和全血的ICm分别为22 nM、7 nM和3.8 pM。L-699333在多种动物模型中显示出抗炎和平喘的作用，包括大鼠胸膜炎模型、抗原诱导的喘息模型和清醒的猕猴及羊哮喘模型。它对5-LO的抑制作用高度选择性，与人体15-LO、猪12-LO和公羊附睾环氧合酶的抑制作用相比，ICm值较高，或在FLAP结合试验中竞争抑制作用较强。L-699333的消旋体14g是迄今为止最有效的对映体，其抑制效果与已知的MK-0591相似，后者在临床 trials中已显示出抑制体外LTB4生物合成和尿中LTE4排出的生化效果。

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L-699333 Chemical Structure

L-699333 Chemical Structure

CAS No. : 155238-60-1

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L-699333 相关抗体

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  • 生物活性

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生物活性

L-699333 is a 5-lipoxygenase (5-LO) inhibitor belonging to the thieno[2,3,4-cd]indole class. This compound has a 2-ethoxybutyric acid side chain and is a potent inhibitor of the biosynthesis of 5-HPETE and LTB4 produced from human 5-LO, with ICm values of 22 nM, 7 nM, and 3.8 pM for human neutrophils and whole blood, respectively. L-699333 has shown anti-inflammatory and antiasthmatic effects in a variety of animal models, including rat pleurisy models, antigen-induced wheezing models, and awake macaque and sheep asthma models. Its inhibition of 5-LO is highly selective, with higher ICm values or stronger competitive inhibition in FLAP binding assays compared to inhibition of human 15-LO, porcine 12-LO, and ram epididymal cyclooxygenase. The racemic enantiomer 14g of L-699333 is the most potent enantiomer to date, with inhibitory effects similar to those of the known MK-0591, which has been shown in clinical trials to inhibit the biochemical effects of LTB4 biosynthesis in vitro and LTE4 excretion in urine.

分子量

627.19

Formula

C36H35ClN2O4S
CAS 号
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
纯度 & 产品资料

L-699333 相关分类

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Keywords:

L-699333155238-60-1L699333L 699333OthersInhibitorinhibitorinhibit

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产品名称：
L-699333
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HY-118156
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