Page last updated: 2024-12-06

st 91

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

ST 91: RN given refers to parent cpd; structure [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID20864
CHEMBL ID301717
CHEBI ID92344
SCHEMBL ID4762027
MeSH IDM0057425

Synonyms (24)

Synonym
unii-u94vu1q8hc
4751-48-8
u94vu1q8hc ,
st 91
st-91
n-(2,6-diethylphenyl)-4,5-dihydro-1h-imidazol-2-amine
2-(2,6-diethylphenylamino)-2-imidazolidine
NCGC00167806-01
CHEMBL301717
bdbm85235
cas_4749-61-5
747353-31-7
BRD-K18905250-003-01-6
1h-imidazol-2-amine, n-(2,6-diethylphenyl)-4,5-dihydro-
nc-5
SCHEMBL4762027
DTXSID50197171
CHEBI:92344
2-(2,6-diethylphenyl)iminoimidazolidine
FT-0765429
Q27164088
2-(2,6-diethylphenylamino)-2-imidazoline
2,6-diethyl-n-(imidazolidin-2-ylidene)aniline
STARBLD0006338

Research Excerpts

Dosage Studied

ExcerptRelevanceReference
"5 to 60 degrees C resulted in right shifts in the dose-response curves for all agents with the magnitude of shift being: 1) greatest on the blood pressure and least on the tail flick, and 2) greatest for ST-91 and CLON and least for DMET."( Suppression by spinal alpha-2 agonists of motor and autonomic responses evoked by low- and high-intensity thermal stimuli.
Saeki, S; Yaksh, TL, 1992
)
0.28
"1-810 nmol) caused a rightward shift of dose-response curve and reduction of maximal effect of alpha-2 agonists used."( Relative efficacy of spinal alpha-2 agonists, dexmedetomidine, clonidine and ST-91, determined in vivo by using N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline, an irreversible antagonist.
Takano, Y; Yaksh, TL, 1991
)
0.28
" Dose-response curves were constructed for phenylephrine (an alpha 1-adrenergic agonist), ST-91 (an alpha 2-adrenergic agonist), angiotensin II, and arginine vasopressin (AVP)."( Does magnesium sulfate alter the maternal cardiovascular response to vasopressor agents in gravid ewes?
Chatterjee, P; Chestnut, DH; Sipes, SL; Thompson, CS; Vincent, RD; Weiner, CP, 1991
)
0.28
" Dose-response curves for IT morphine were obtained in the presence of fixed doses (0."( Interaction of intrathecal morphine and ST-91 on antinociception in the rat: dose-response analysis, antagonism and clearance.
Monasky, MS; Stevens, CW; Yaksh, TL; Zinsmeister, AR, 1990
)
0.28
" dose-response curves for the effect of the chronic drug given as a bolus."( Potency of infused spinal antinociceptive agents is inversely related to magnitude of tolerance after continuous infusion.
Stevens, CW; Yaksh, TL, 1989
)
0.28
" dose of morphine, show a dose-dependent rightward shift in hot-plate dose-response curves."( Spinal infusion of opiate and alpha-2 agonists in rats: tolerance and cross-tolerance studies.
Monasky, MS; Stevens, CW; Yaksh, TL, 1988
)
0.27
" dose-response curves were obtained with dexmedetomidine, clonidine and ST-91 in groups of rats which had received a 7-day infusion of saline or the equianalgesic concentrations of dexmedetomidine (10 nmol/hr) or ST-91 (30 nmol/hr)."( Chronic spinal infusion of dexmedetomidine, ST-91 and clonidine: spinal alpha 2 adrenoceptor subtypes and intrinsic activity.
Takano, Y; Yaksh, TL, 1993
)
0.29
" boluses of ST to generate dose-response curves."( Spinal infusion of N-methyl-D-aspartate antagonist MK801 induces hypersensitivity to the spinal alpha-2 agonist ST91 in the rat.
Dunbar, SA; Yaksh, TL, 1997
)
0.3
" A similar finding was made in the hot-plate test despite the fact that the dose-response characteristics of the agonists were different in this test."( Synergistic interactions between two alpha(2)-adrenoceptor agonists, dexmedetomidine and ST-91, in two substrains of Sprague-Dawley rats.
Graham, BA; Hammond, DL; Proudfit, HK, 2000
)
0.31
" At 10(-7) M of ST-91, the antagonism was characterized by a rightward shift of isoproterenol dose-response curve (A50=6."( alpha2B-adrenoceptor agonist ST-91 antagonizes beta2-adrenoceptor-mediated relaxation in rat mesenteric artery rings.
Gyires, K; Kató, E; Lipták, L; Mátyus, P; Rónai, AZ; Shujaa, N, 2008
)
0.35
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Drug Classes (1)

ClassDescription
substituted aniline
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Bioassays (11)

Assay IDTitleYearJournalArticle
AID145916Vmax is determined from stimulation of firefly light organ adenylate cyclase1989Journal of medicinal chemistry, Aug, Volume: 32, Issue:8
A probe for octopamine receptors: synthesis of 2-[(4-azido-2,6-diethylphenyl)imino]imidazolidine and its tritiated derivative, a potent reversible-irreversible activator of octopamine-sensitive adenylate cyclase.
AID1150959Peripheral adrenergic activity in iv dosed pithed rat assessed as change in mean blood pressure1976Journal of medicinal chemistry, Aug, Volume: 19, Issue:8
Clonidine and related analogues. Quantitative correlations.
AID1150957Dissociation constant, pKa of the compound in water-ethyl alcohol1976Journal of medicinal chemistry, Aug, Volume: 19, Issue:8
Clonidine and related analogues. Quantitative correlations.
AID26357Dissociation constant (pKa)1993Journal of medicinal chemistry, Oct-01, Volume: 36, Issue:20
QSAR's from similarity matrices. Technique validation and application in the comparison of different similarity evaluation methods.
AID25092Ionization constant (pKa)1991Journal of medicinal chemistry, Jul, Volume: 34, Issue:7
Direct prediction of dissociation constants (pKa's) of clonidine-like imidazolines, 2-substituted imidazoles, and 1-methyl-2-substituted-imidazoles from 3D structures using a comparative molecular field analysis (CoMFA) approach.
AID1150958Hypotensive activity in rat assessed as change in mean blood pressure relative to control1976Journal of medicinal chemistry, Aug, Volume: 19, Issue:8
Clonidine and related analogues. Quantitative correlations.
AID232136Ratio of (Ka) of octopamine to that of compound1989Journal of medicinal chemistry, Aug, Volume: 32, Issue:8
A probe for octopamine receptors: synthesis of 2-[(4-azido-2,6-diethylphenyl)imino]imidazolidine and its tritiated derivative, a potent reversible-irreversible activator of octopamine-sensitive adenylate cyclase.
AID1150956Octan-1-ol-aqueous buffer partition coefficient, log P of the compound at 10 to 20 mg at pH 7.4 by UV-spectroscopic analysis1976Journal of medicinal chemistry, Aug, Volume: 19, Issue:8
Clonidine and related analogues. Quantitative correlations.
AID1150955Retardation factor, deltaRm of the compound at pH 13 by TLC analysis1976Journal of medicinal chemistry, Aug, Volume: 19, Issue:8
Clonidine and related analogues. Quantitative correlations.
AID1347154Primary screen GU AMC qHTS for Zika virus inhibitors2020Proceedings of the National Academy of Sciences of the United States of America, 12-08, Volume: 117, Issue:49
Therapeutic candidates for the Zika virus identified by a high-throughput screen for Zika protease inhibitors.
AID1508630Primary qHTS for small molecule stabilizers of the endoplasmic reticulum resident proteome: Secreted ER Calcium Modulated Protein (SERCaMP) assay2021Cell reports, 04-27, Volume: 35, Issue:4
A target-agnostic screen identifies approved drugs to stabilize the endoplasmic reticulum-resident proteome.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (67)

TimeframeStudies, This Drug (%)All Drugs %
pre-199020 (29.85)18.7374
1990's29 (43.28)18.2507
2000's11 (16.42)29.6817
2010's5 (7.46)24.3611
2020's2 (2.99)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 46.73

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index46.73 (24.57)
Research Supply Index4.26 (2.92)
Research Growth Index4.50 (4.65)
Search Engine Demand Index71.34 (26.88)
Search Engine Supply Index2.01 (0.95)

This Compound (46.73)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials1 (1.45%)5.53%
Reviews0 (0.00%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other68 (98.55%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]