D Barlocco, G Cignarella, F Fanelli, B Vitalis, P Matyus, P G De Benedetti
{"title":"Thienocycloheptapyridazines as new muscarinic agents.","authors":"D Barlocco, G Cignarella, F Fanelli, B Vitalis, P Matyus, P G De Benedetti","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A series of thienocycloheptapyridazines (3aa-dd), structurally related to Minaprine, was synthesized and compounds tested for their affinity towards muscarinic receptors. All of them showed Ki values in the micromolar range towards both the antagonist 3H-QNB and the agonist 3H-OXO-M, thus indicating that they act as antagonists at the muscarinic receptors. Moreover a theoretical study was performed on their interaction behaviour with a three dimensional (3-D) model of the human m1 muscarinic receptor.</p>","PeriodicalId":11297,"journal":{"name":"Drug design and discovery","volume":"14 4","pages":"273-90"},"PeriodicalIF":0.0000,"publicationDate":"1997-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Drug design and discovery","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A series of thienocycloheptapyridazines (3aa-dd), structurally related to Minaprine, was synthesized and compounds tested for their affinity towards muscarinic receptors. All of them showed Ki values in the micromolar range towards both the antagonist 3H-QNB and the agonist 3H-OXO-M, thus indicating that they act as antagonists at the muscarinic receptors. Moreover a theoretical study was performed on their interaction behaviour with a three dimensional (3-D) model of the human m1 muscarinic receptor.
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