Upidosin

Modify Date: 2024-01-10 06:10:01

Upidosin Structure
Upidosin structure
Common Name Upidosin
CAS Number 152735-23-4 Molecular Weight 511.61100
Density 1.208g/cm3 Boiling Point 688.9ºC at 760 mmHg
Molecular Formula C31H33N3O4 Melting Point N/A
MSDS N/A Flash Point 370.4ºC

 Use of Upidosin


Upidosin (Rec 15/2739) is an α-1 adrenoceptor (α-1 AR) antagonist. Upidosin shows moderate selectivity for the α-1A AR subtype. Upidosin shows uroselectivity in urethra and prostate with a Kb value of 2-3 nM higher than in ear artery and aorta with a Kb value of 20-100 nM. Upidosin inhibits [3H]prazosin binding to cloned human α-1A adrenergic receptor. Upidosin can be used for the research of urethral obstruction[1].

 Names

Name N-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl]-3-methyl-4-oxo-2-phenylchromene-8-carboxamide
Synonym More Synonyms

 Upidosin Biological Activity

Description Upidosin (Rec 15/2739) is an α-1 adrenoceptor (α-1 AR) antagonist. Upidosin shows moderate selectivity for the α-1A AR subtype. Upidosin shows uroselectivity in urethra and prostate with a Kb value of 2-3 nM higher than in ear artery and aorta with a Kb value of 20-100 nM. Upidosin inhibits [3H]prazosin binding to cloned human α-1A adrenergic receptor. Upidosin can be used for the research of urethral obstruction[1].
Related Catalog
In Vitro Upidosin is one of the most potent compounds action on the prostate with comparing the apparent pKB values, but its potency is slightly lower than that of tamsulosin and is higher than the potencies of prazosin, terazosin and 5-methylurapidil[2]. Upidosin shows binding affinities to cloned humanα1A, humanα1B, humanα1D adrenoceptors with pKi value of 9.0, 7.5 and 8.6, respectively[3].
In Vivo Upidosin shows greater selectivity than any other α-1 AR antagonist terazosin and tamsulosin in the anesthetized dog[1]. Upidosin (1-300 μg/kg; i.v.) is a more potent antagonist of phenylephrine mediated increases in prostatic pressure with a pA2 value of 8.74 compared to blood pressure with a pA2 value of 7.51[3].
References

[1]. Leonardi A, et al. Pharmacological characterization of the uroselective alpha-1 antagonist Rec 15/2739 (SB 216469): role of the alpha-1L adrenoceptor in tissue selectivity, part I. J Pharmacol Exp Ther. 1997 Jun;281(3):1272-83.  

[2]. Testa R, et al. Functional antagonistic activity of Rec 15/2739, a novel alpha-1 antagonist selective for the lower urinary tract, on noradrenaline-induced contraction of human prostate and mesenteric artery. J Pharmacol Exp Ther. 1996 Jun;277(3):1237-46.  

[3]. Kenny BA, et al. Evaluation of the pharmacological selectivity profile of alpha 1 adrenoceptor antagonists at prostatic alpha 1 adrenoceptors: binding, functional and in vivo studies. Br J Pharmacol. 1996 Jun;118(4):871-8.  

 Chemical & Physical Properties

Density 1.208g/cm3
Boiling Point 688.9ºC at 760 mmHg
Molecular Formula C31H33N3O4
Molecular Weight 511.61100
Flash Point 370.4ºC
Exact Mass 511.24700
PSA 78.51000
LogP 5.29680
Vapour Pressure 7.91E-19mmHg at 25°C
Index of Refraction 1.608

 Synonyms

Rec 15-2739
UNII-TXG28R7G4Y
UPIDOSIN
4H-1-Benzopyran-8-carboxamide,N-[3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl]-3-methyl-4-oxo-2-phenyl
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