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Merck
CN

U103

Sigma-Aldrich

U-69593

selective κ opioid receptor agonist, solid

Synonym(s):

(+)-(5α,7α,8β)-N-Methyl-N-[7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]-benzeneacetamide, U69593

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About This Item

Empirical Formula (Hill Notation):
C22H32N2O2
CAS Number:
96744-75-1
Molecular Weight:
356.50
MDL number:
MFCD05664586
UNSPSC Code:
12352200
PubChem Substance ID:
24278769
NACRES:
NA.77

Key Documents

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Product Name

U-69593, solid

form

solid

Quality Level

100

optical activity

[α]/D +7.8°, c = 0.825 in methanol(lit.)

color

white

solubility

45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: 10 mg/mL
0.1 M HCl: >40 mg/mL
ethanol: >40 mg/mL
0.1 M NaOH: insoluble
H2O: insoluble

storage temp.

2-8°C

SMILES string

CN([C@H]1CC[C@@]2(CCCO2)C[C@@H]1N3CCCC3)C(=O)Cc4ccccc4

InChI

1S/C22H32N2O2/c1-23(21(25)16-18-8-3-2-4-9-18)19-10-12-22(11-7-15-26-22)17-20(19)24-13-5-6-14-24/h2-4,8-9,19-20H,5-7,10-17H2,1H3/t19-,20-,22-/m0/s1

InChI key

PGZRDDYTKFZSFR-ONTIZHBOSA-N

Gene Information

human ... OPRD1(4985), OPRK1(4986), OPRM1(4988)
mouse ... Oprk1(18387)
rat ... Oprd1(24613), Oprk1(29335), Oprm1(25601)

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Biochem/physiol Actions

U-69593 is a selective κ opioid receptor agonist. U-69593 is known to inhibit cocaine sensitization in meso-limbic dopamine neurons by normalizing basal overflow of dopamine.

Features and Benefits

This compound is featured on the Opioid Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Preparation Note

U-69593 is soluble in 45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin (10 mg/ml), 0.1 M HCl (>40 mg/ml), and ethanol (>40 mg/ml). However, it is insoluble in 0.1 M NaOH and water.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000382428
0000382428
0000102364
0000073185
0000030456

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S Schenk et al.
Psychopharmacology, 151(1), 85-90 (2000-08-25)
Results of a previous study indicated that prior administration of the kappa-opioid receptor agonist, U69593, blocked the ability of cocaine to reinstate extinguished cocaine-taking behavior. In order to determine whether the effect of U69593 was specific to cocaine or was
Ajay S Yekkirala et al.
ACS chemical neuroscience, 1(2), 146-154 (2010-02-17)
Research in the opioid field has relied heavily on the use of standard agonist ligands such as morphine, [d-Ala(2)-MePhe(4)-Glyol(5)]enkephalin (DAMGO), U69593, bremazocine, [d-Pen(2)d-Pen(5)]enkephalin (DPDPE), and deltorphin-II as tools for investigating the three major types of opioid receptors, MOP (μ), KOP
Miriam Stoeber et al.
eLife, 9 (2020-02-26)
G protein-coupled receptors (GPCRs) signal through allostery, and it is increasingly clear that chemically distinct agonists can produce different receptor-based effects. It has been proposed that agonists selectively promote receptors to recruit one cellular interacting partner over another, introducing allosteric
Xu Zhang et al.
Behavioural brain research, 236(1), 8-15 (2012-09-04)
Within a biopsychosocial model of pain, pain is seen as a conscious experience modulated by mental, emotional and sensory mechanisms. Recently, using a rodent visceral pain assay that combines the colorectal distension (CRD) model with the conditioned place avoidance (CPA)
Lisa E Baker et al.
Psychopharmacology, 203(2), 203-211 (2009-01-21)
Research interests regarding the psychopharmacology of salvinorin A have been motivated by the recreational use and widespread media focus on the hallucinogenic plant, Salvia divinorum. Additionally, kappa opioid (KOP) receptor ligands may have therapeutic potential in the treatment of some
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