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EHT 5372 Sale

目录号 : GC38330

EHT 5372 是双特异性酪氨酸磷酸化调节酶 (DYRK) 的强效抑制剂,其 IC50 值分别为 0.22,0.28 nM。

EHT 5372 Chemical Structure

Cas No.:1425945-60-3

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10mM*1mL in DMSO
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5mg
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产品描述

EHT 5372 is a strong inhibitor of DYRK's family kinases, with IC50s of 0.22, 0.28 nM for DYRK1A and DYRK1B, respectively.

EHT 5372 is a strong inhibitor of DYRK's family kinases, with IC50s of 0.22, 0.28 nM for DYRK1A and DYRK1B, respectively[1][2]. IC50 for DYRK2 and DYRK3 were higher (10.8 and 93.2 nM, respectively) and there was no inhibition on DYRK4. EHT 5372 displayed minimal impact on the CDC2-like kinase (CLK) family, with more than 100x selectivity over CLK1 (CLK1: IC50=22.8 nM; CLK2: IC50=88.8 nM; CLK3: IC50>10 lM; CLK4: no inhibition) and on the glycogen synthase kinase 3 (GSK3) family (GSK3α: IC50=7.44 nM; GSK3β: IC50=221 nM). EHT 5372 inhibits the direct phosphorylation of Tau by DYRK1A. EHT 5372 also normalizes both Aβ-induced Tau phosphorylation and DYRK1A-stimulated Aβ production[2].

[1]. Chaikuad A, et al. An Unusual Binding Model of the Methyl 9-Anilinothiazolo[5,4-f] quinazoline-2-carbimidates (EHT 1610 and EHT 5372) Confers High Selectivity for Dual-Specificity Tyrosine Phosphorylation-Regulated Kinases. J Med Chem. 2016 Nov 23;59(22):10315-10321. [2]. Coutadeur S, et al. A novel DYRK1A (dual specificity tyrosine phosphorylation-regulated kinase 1A) inhibitor for the treatment of Alzheimer's disease: effect on Tau and amyloid pathologies in vitro. J Neurochem. 2015 May;133(3):440-51.

Chemical Properties

Cas No. 1425945-60-3 SDF
Canonical SMILES N=C(C(S1)=NC2=C1C3=C(NC4=CC=C(OC)C=C4F)N=CN=C3C=C2)OC
分子式 C18H14FN5O2S 分子量 383.4
溶解度 DMSO: 25 mg/mL (65.21 mM); Water: < 0.1 mg/mL (insoluble) 储存条件 Store at -20°C,unstable in solution, ready to use.
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Research Update

An Unusual Binding Model of the Methyl 9-Anilinothiazolo[5,4-f] quinazoline-2-carbimidates (EHT 1610 and EHT 5372) Confers High Selectivity for Dual-Specificity Tyrosine Phosphorylation-Regulated Kinases

J Med Chem 2016 Nov 23;59(22):10315-10321.PMID:27766861DOI:10.1021/acs.jmedchem.6b01083.

Methyl 9-anilinothiazolo[5,4-f]quinazoline-2-carbimidates 1 (EHT 5372) and 2 (EHT 1610) are strong inhibitors of DYRK's family kinases. The crystal structures of the complex revealed a noncanonical binding mode of compounds 1 and 2 in DYRK2, explaining the remarkable selectivity and potency of these inhibitors. The structural data and comparison presented here provide therefore a template for further improvement of this inhibitor class and for the development of novel inhibitors selectively targeting DYRK kinases.

A novel DYRK1A (dual specificity tyrosine phosphorylation-regulated kinase 1A) inhibitor for the treatment of Alzheimer's disease: effect on Tau and amyloid pathologies in vitro

J Neurochem 2015 May;133(3):440-51.PMID:25556849DOI:10.1111/jnc.13018.

The dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A) gene is located within the Down Syndrome (DS) critical region on chromosome 21 and is implicated in the generation of Tau and amyloid pathologies that are associated with the early onset Alzheimer's Disease (AD) observed in DS. DYRK1A is also found associated with neurofibrillary tangles in sporadic AD and phosphorylates key AD players (Tau, amyloid precursor, protein, etc). Thus, DYRK1A may be an important therapeutic target to modify the course of Tau and amyloid beta (Aβ) pathologies. Here, we describe EHT 5372 (methyl 9-(2,4-dichlorophenylamino) thiazolo[5,4-f]quinazoline-2-carbimidate), a novel, highly potent (IC50 = 0.22 nM) DYRK1A inhibitor with a high degree of selectivity over 339 kinases. Models in which inhibition of DYRK1A by siRNA reduced and DYRK1A over-expression induced Tau phosphorylation or Aβ production were used. EHT 5372 inhibits DYRK1A-induced Tau phosphorylation at multiple AD-relevant sites in biochemical and cellular assays. EHT 5372 also normalizes both Aβ-induced Tau phosphorylation and DYRK1A-stimulated Aβ production. DYRK1A is thus as a key element of Aβ-mediated Tau hyperphosphorylation, which links Tau and amyloid pathologies. EHT 5372 and other compounds in its class warrant in vivo investigation as a novel, high-potential therapy for AD and other Tau opathies. Inhibition of the dual specificity tyrosine-phosphorylation-regulated kinase 1A (DYRK1A) is a new high-potential therapeutic approach for Alzheimer disease. Here we describe EHT 5372, a novel potent and selective DYRK1A inhibitor. EHT 5372 inhibits DYRK1A-induced Tau phosphorylation, Aβ production and Aβ effects on phospho-Tau, including Tau aggregation.

Design and synthesis of thiazolo[5,4-f]quinazolines as DYRK1A inhibitors, part II

Molecules 2014 Sep 26;19(10):15411-39.PMID:25264830DOI:10.3390/molecules191015411.

The convenient synthesis of a focused library (forty molecules) of novel 6,6,5-tricyclic thiazolo[5,4-f]quinazolines was realized mainly under microwave irradiation. A novel 6-aminobenzo[d]thiazole-2,7-dicarbonitrile (1) was used as a versatile molecular platform for the synthesis of various derivatives. Kinase inhibition, of the obtained final compounds, was evaluated on a panel of two kinases (DYRK1A/1B) together with some known reference DYRK1A and DYRK1B inhibitors (harmine, TG003, NCGC-00189310 and leucettine L41). Compound IC50 values were obtained and compared. Five of the novel thiazolo[5,4-f]quinazoline derivatives prepared, EHT 5372 (8c), EHT 6840 (8h), EHT 1610 (8i), EHT 9851 (8k) and EHT 3356 (9b) displayed single-digit nanomolar or subnanomolar IC50 values and are among the most potent DYRK1A/1B inhibitors disclosed to date. DYRK1A/1B kinases are known to be involved in the regulation of various molecular pathways associated with oncology, neurodegenerative diseases (such as Alzheimer disease, AD, or other tauopathies), genetic diseases (such as Down Syndrome, DS), as well as diseases involved in abnormal pre-mRNA splicing. The compounds described in this communication constitute a highly potent set of novel molecular probes to evaluate the biology/pharmacology of DYR1A/1B in such diseases.