6,7-Dihydroxy-3-chromanamine: synthesis and pharmacological activity of an oxygen isostere of the dopamine agonist 6,7-dihydroxy-2-aminotetralin.
6,7-Dihydroxy-3-chromanamine, the oxygen isostere of 6,7-dihydroxy-2-aminotetralin (6,7-ADTN), has been synthesized and its dopaminergic activity in various test systems determined. Following bilateral injection into the rat nucleus accumbens, a pattern of locomotor activity similar to that produced by 6,7-ADTN was observed. Its ability to displace N-n-propyl[3H]norapomorphine binding to homogenates of rat brain corpus striatum was found to be about 15 times weaker than 6,7-ADTN and apomorphine. Like 6,7-ADTN it failed to influence dopamine metabolism following an intraperitoneal injection. It is suggested that in addition to the 2-aminotetralins, the 3-chromanamines may be a potential source of new dopamine receptor agonists.
D000818:Animals; D003342:Corpus Striatum / Q000187:drug effects / Q000378:metabolism; D004298:Dopamine / Q000378:metabolism*; D005260:Female; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D009043:Motor Activity / Q000187:drug effects; D009281:Naphthalenes / Q000138:chemical synthesis* / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D017448:Receptors, Dopamine D2; D011957:Receptors, Opioid / Q000378:metabolism; D013329:Structure-Activity Relationship; D013764:Tetrahydronaphthalenes / Q000138:chemical synthesis* / Q000378:metabolism / Q000494:pharmacology*
D009281:Naphthalenes; D017448:Receptors, Dopamine D2; D011957:Receptors, Opioid; D013764:Tetrahydronaphthalenes; C011639:ADTN; C029218:5,7-dihydroxy-2-aminotetralin; D004298:Dopamine