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1445656-91-6

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1445656-91-6 Structure

1445656-91-6 Structure
IdentificationBack Directory
[Name]

Cyclopropanecarboxylic acid, 1-[5-(1,3-dihydro-1-oxo-5-isobenzofuranyl)-8-methoxy[1,2,4]triazolo[1,5-a]pyridin-2-yl]-, 2-methylpropyl ester
[CAS]

1445656-91-6
[Synonyms]

LEO 39652
isobutyl 1-(8-methoxy-5-(1-oxo-1,3-dihydroisobenzofuran-5-yl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropane-1-carboxylate
Cyclopropanecarboxylic acid, 1-[5-(1,3-dihydro-1-oxo-5-isobenzofuranyl)-8-methoxy[1,2,4]triazolo[1,5-a]pyridin-2-yl]-, 2-methylpropyl ester
[Molecular Formula]

C23H23N3O5
[MDL Number]

MFCD33023450
[MOL File]

1445656-91-6.mol
[Molecular Weight]

421.45
Chemical PropertiesBack Directory
[storage temp. ]

Store at -20°C
[solubility ]

DMSO : 25 mg/mL (59.32 mM; Need ultrasonic)
[form ]

Solid
[color ]

Off-white to gray
Hazard InformationBack Directory
[Biological Activity]

LEO 39652 is a dual-soft PDE4 inhibitor with IC50s of 1.2 nM, 1.2 nM, 3.0 nM and 3.8 nM for PDE4A, PDE4B, PDE4C and PDE4D, respectively. LEO 39652 also inhibits TNF-α with an IC50 value of 6.0 nM. LEO 39652 is used for topical research of Atopic dermatitis (AD) [1]. LEO 39652 shows unbound in vitro potency when measured as LPS induced TNF-α release in human peripheral blood mononuclear cells (PBMC), incubated in serum free medium. LEO 39652 shows a relatively high binding to human serum albumin[2]. LEO 39652 is inactivated both in blood and liver (dual-soft) while stabled in the skin[1].Pharmacokinetic AnalysisLEO 39652 exhibits total clearance (rats 930, minipigs 200 and monkey 300 mL/min/kg) and ratio to total AUC (rats 4, minipigs 6 and monkey 6 %) following intravenous administration (rats 0.075, minipigs 0.5 and monkeys 2.0 mg/kg)[1].
[References]

[1]. Jens Larsen, et al. Discovery and Early Clinical Development of Isobutyl 1-[8-Methoxy-5-(1-oxo-3 H-isobenzofuran-5-yl)-[1,2,4]triazolo[1,5- a]pyridin-2-yl]cyclopropanecarboxylate (LEO 39652), a Novel "Dual-Soft" PDE4 Inhibitor for Topical Treatment of Atopic Dermatitis. J Med Chem. 2020 Dec 10;63(23):14502-14521. [2]. Stefan Eirefelt, et al. Evaluating Dermal Pharmacokinetics and Pharmacodymanic Effect of Soft Topical PDE4 Inhibitors: Open Flow Microperfusion and Skin Biopsies. Pharm Res. 2020 Nov 13;37(12):243.
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