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  • Delta-opioid agonists: differential efficacy and potency of SNC80, its 3-OH (SNC86) and 3-desoxy (SNC162) derivatives in Sprague-Dawley rats.

Delta-opioid agonists: differential efficacy and potency of SNC80, its 3-OH (SNC86) and 3-desoxy (SNC162) derivatives in Sprague-Dawley rats.

The Journal of pharmacology and experimental therapeutics (2004-01-15)
Emily M Jutkiewicz, Erik B Eller, John E Folk, Kenner C Rice, John R Traynor, James H Woods
초록

The diarylpiperazine delta-opioid agonist SNC80 [(+)-4-[(alphaR)-alpha-[(2S,5R)-2,5-dimethyl-4-(2-propenyl)-1-piperazinyl]-(3-methoxyphenyl)methyl]-N,N-diethylbenzamide] produces convulsions, antidepressant-like effects, and locomotor stimulation in rats. The present study compared the behavioral effects in Sprague-Dawley rats of SNC80 with its two derivatives, SNC86 [(+)-4-[alpha(R)-alpha-[(2S,5R)-2,5-dimethyl-4-(2-propenyl)-1-piperazinyl]-(3-hydroxyphenyl)methyl]-N,N-diethylbenzamide] and SNC162 [(+)-4-[(alphaR)-alpha-[(2S,5R)-2,5-dimethyl-4-(2-propenyl)-1-piperazinyl]-(3-phenyl)methyl]-N,N-diethylbenzamide], which differ by one functional group located in the 3-position of the benzylic ring. In behavioral measures, these three compounds demonstrated a rank order of potency and efficacy; SNC86 was the most potent and efficacious followed by SNC80 and then SNC162. In vitro, these compounds stimulated guanosine 5'-O-(3-[(35)S]thio)triphosphate ([(35)S]GTPgammaS) binding in the caudate putamen of coronal brain slices from drug-naive rats as measured by in vitro autoradiography. In [(35)S]GTPgammaS binding studies, SNC86 seemed to be a full agonist at the delta-opioid receptor; however, SNC162 demonstrated reduced stimulation compared with SNC86, consistent with partial agonist activity. Although SNC80 was not fully efficacious in [(35)S]GTPgammaS autoradiography studies, it produced behavioral effects similar to those observed with SNC86, suggesting that the behavioral effects of SNC80 may be produced by its 3-hydroxy metabolite.

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Sigma-Aldrich
Dibenzoyl-L-tartaric acid, 98%
Sigma-Aldrich
(+)-2,3-Dibenzoyl-D-tartaric acid, ≥98%, made from synthetic tartaric acid
Sigma-Aldrich
(+)-2,3-Dibenzoyl-D-tartaric acid, ≥99.0% (T)