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Merck
CN

U105

U-62066

solid

Synonym(s):

(±)-(5α,7α,8β)-3,4-Dichloro-N-methyl-N-[7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]benzeneacetamide mesylate salt, Spiradoline mesylate salt

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About This Item

Linear Formula:
C22H30Cl2N2O2 · CH3SO3H
CAS Number:
Molecular Weight:
521.50
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352200
MDL number:
Form:
solid
Quality level:
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Product Name

U-62066, solid

InChI

1S/C22H30Cl2N2O2.CH4O3S/c1-25(21(27)14-16-5-6-17(23)18(24)13-16)19-7-9-22(8-4-12-28-22)15-20(19)26-10-2-3-11-26;1-5(2,3)4/h5-6,13,19-20H,2-4,7-12,14-15H2,1H3;1H3,(H,2,3,4)/t19-,20-,22-;/m0./s1

SMILES string

CS(O)(=O)=O.CN([C@H]1CC[C@@]2(CCCO2)C[C@@H]1N3CCCC3)C(=O)Cc4ccc(Cl)c(Cl)c4

InChI key

FHEZDPDAYTVKKG-JLBKCEDKSA-N

form

solid

color

white

solubility

H2O: 14 mg/mL
methanol: insoluble

storage temp.

2-8°C

Quality Level

Gene Information

human ... OPRK1(4986)

Biochem/physiol Actions

U-62066, also known as spiradoline, is a highly selective κ opioid receptor agonist. It exhibits analgesic and diuretic effects. Antitussive property of U-62066 is observed in rats.

Preparation Note

U-62066 is soluble in water at 14 mg/ml, but is insoluble in methanol.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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M A Smith et al.
Behavioural pharmacology, 14(8), 641-647 (2003-12-11)
The purpose of the present study was to examine sensitivity to the antinociceptive effects of kappa opioids during chronic treatment with the nonselective opioid antagonist naltrexone. In a warm-water tail-withdrawal procedure, rats were restrained and the latencies to remove their
David A White et al.
Brain research bulletin, 76(6), 597-604 (2008-07-05)
The primary objective of this study was to determine whether pretreatment with kappa- and delta-opioid agonists potentiates naltrexone-induced suppression of water consumption following 24h of deprivation. This study also examined the temporal effects of agonist-induced antinociception using the tail-flick and
J Kamei et al.
European journal of pharmacology, 187(2), 281-286 (1990-10-09)
The effects of highly selective agonists of kappa-opioid receptors, namely U-50,488H and U-62,066E, on the capsaicin-induced cough reflex in rats were studied. Intracisternal (i.cist.) injection of U-50,488H and of U-62,066E significantly decreased the number of coughs in a dose-dependent manner.
Jolan M Terner et al.
Behavioural pharmacology, 16(8), 665-670 (2005-11-16)
Although studies suggest that 2-(3,4-dichlorophenyl-N-methyl-N-[(1S)-1-(3-isothiocyanatophenyl)-2-(1-pyrrolidinyl) ethyl] acetamide (DIPPA) has transient kappa-opioid-mediated agonist effects followed by long-lasting kappa-antagonist effects, its behavioral and pharmacological actions have not been systematically examined and there is evidence suggesting that some of its effects are species
X Wang et al.
Neuroscience, 129(1), 235-241 (2004-10-19)
Both enkephalin and dynorphin containing fibers are in close proximity to neurons in the nucleus ambiguus, including cardiac vagal neurons. Microinjection of Delta and kappa agonists into the nucleus ambiguus have been shown to evoke decreases in heart rate. Yet

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