SDZ 21009 - CAS 39731-05-0
Category: Inhibitor
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Molecular Formula:
C19H28N2O4
Molecular Weight:
348.44
COA:
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Targets:
5-HT Receptor | Adrenergic Receptor
Description:
SDZ 21009 is a β-adrenoceptor and 5-HT1A/1B receptor antagonist (pKB/pA2 = 8.3 and 8.0 for 5-HT1A and 5-HT1B receptors, respectively).
Brife Description:
β-adrenoceptor and 5-HT1A/1B receptor antagonist
Synonyms:
Carpindolol; LM 21009; LM-21009; LM21009; SDZ 21009; SDZ21009; SDZ-21009; 4-[3-[(1,1-Dimethylethyl)amino]-2-hydroxypropoxy]-1H-indole-2-carboxylic acid, 1-methylethyl ester
MSDS:
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InChIKey:
SJYFDORQYYEJLB-UHFFFAOYSA-N
InChI:
InChI=1S/C19H28N2O4/c1-12(2)25-18(23)16-9-14-15(21-16)7-6-8-17(14)24-11-13(22)10-20-19(3,4)5/h6-9,12-13,20-22H,10-11H2,1-5H3
Canonical SMILES:
CC(C)OC(=O)C1=CC2=C(N1)C=CC=C2OCC(CNC(C)(C)C)O
1.Non 5-HT1A/5-HT1C [3H]5-HT binding sites in the hamster, opossum, and rabbit brain show similar regional distribution but different sensitivity to beta-adrenoceptor antagonists.
Waeber C;Palacios JM Synapse. 1992 Dec;12(4):261-70.
We have used receptor autoradiography to investigate the distribution and pharmacological profile of non 5-HT1A/5-HT1C[3H]5-hydroxytryptamine binding sites in the brain of rabbits, hamsters and opossums. These data were compared to those found under similar conditions in the brain of rats and guinea pigs, species which are known to possess 5-HT1B and 5-HT1D receptors, respectively. In the presence of 100 nM 8-OH-DPAT and mesulergine, the regional distribution of [3H]5-hydroxytryptamine binding sites was very similar in the brain of all species investigated; densest labelling was observed in the globus pallidus, substantia nigra and superior colliculus. In all species, 5-carboxamidotryptamine competed for the labelled sites in a biphasic manner and metergoline displayed a subnanomolar affinity. In contrast, the beta-adrenoceptor blocking agents (-)propranolol, (-)pindolol, and (+/-)SDZ 21009 were potent displacers only in the rat, hamster and opossum brains. These data indicate that non 5-HT1A/5-HT1C[3H]5-HT binding sites display a high affinity for these agents in a particular rodent suborder as well as in opossum, a phylogenetically unrelated species.
2.The pharmacological properties of the presynaptic serotonin autoreceptor in the pig brain cortex conform to the 5-HT1D receptor subtype.
Schlicker E;Fink K;Göthert M;Hoyer D;Molderings G;Roschke I;Schoeffter P Naunyn Schmiedebergs Arch Pharmacol. 1989 Jul;340(1):45-51.
The effects of serotonin receptor agonists and antagonists on the electrically (3 Hz) evoked 3H overflow were determined on pig brain cortex slices preincubated with 3H-serotonin and superfused with physiological salt solution containing indalpine (an inhibitor of serotonin uptake) plus phentolamine. The potencies of the serotonin receptor agonists and antagonists were compared with their affinities for 5-HT1A, 5-HT1B, 5-HT1C, and 5-HT1D binding sites in pig or rat tissue membranes; in addition, the potencies of the agonists were compared to their potencies in inhibiting adenylate cyclase activity in membranes of calf substantia nigra. In the superfusion experiments on pig brain cortex slices the following rank orders of potencies were obtained: agonists, serotonin greater than 5-methoxytryptamine = 5-carboxamidotryptamine greater than RU 24969 (5-methoxy-3(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole) greater than SDZ 21009 (4(3-terbutylamino-2-hydroxypropoxy)indol-2-carbonic-acid-isopr opylester) greater than or equal to yohimbine greater than or equal to cyanopindolol greater than 8-OH-DPAT (8-hydroxy-2-(di-n-propylamino)tetralin) greater than or equal to CGS 12066 B (7-trifluoromethyl-4(4-methyl-1-piperazinyl)-pyrrolo[1,2-a]quinoxaline); ipsapirone and urapidil were ineffective; antagonists (antagonism determined against 5-methoxytryptamine as an agonist), metitepine greater than metergoline greater than mianserin.
3.Behavioral effect of beta-blocking drugs resulting from the stimulation or the blockade of serotonergic 5-HT1B receptors.
Frances H;Monier C;Debray M Pharmacol Biochem Behav. 1994 Aug;48(4):965-9.
The present study was aimed at determining the relative potency of various beta-blocking drugs as agonists or antagonists at 5-HT1B receptors. The behavioral model used (increase in escape attempts of isolated mice) has been previously shown to be exclusively responsive to 5-HT1B agonists such as 1-3-(trifluoromethyl) phenylpiperazine (TFMPP). Beta-blocking drugs acted in three different ways: they were either inactive, or acted as agonists or as antagonists at 5-HT1B receptors. The specific beta-blocking drugs: atenolol and betaxolol (beta-1) and ICI 118,551 (beta-2) were inactive by themselves and in interaction with TFMPP. The mixed beta-1 beta-2 blocking drug 1-penbutolol, (but not d-penbutolol), inactive alone, behaved as an antagonist: it impaired in a dose-dependent way the effect of TFMPP. (+/-)Pindolol and (-)pindolol was inactive. None of the (-), (+), or (+/-)pindolol was able to impair TFMPP effect. The increase in escape attempts induced by (+/-)pindolol was antagonized with 1-penbutolol or after a specific desensitization. Cyanopindolol and S-tertatolol (but not R-tertatolol) acted as agonists. SDZ 21009 was inactive as agonist or antagonist. It may be concluded that all beta-blocking drugs are not equivalent regarding their effect at 5-HT1B receptors.
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CAS 39731-05-0 SDZ 21009

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