Synthesis and biological activity of 1,2,4-oxadiazole derivatives: highly potent and efficacious agonists for cortical muscarinic receptors
作者:Leslie J. Street、Raymond Baker、Tracey Book、Clare O. Kneen、Angus M. MacLeod、Kevin J. Merchant、Graham A. Showell、John Saunders、Richard H. Herbert
DOI:10.1021/jm00172a003
日期:1990.10
presented to the receptor, at the active site, and the degree of conformational flexibility. The exo-1-azanorbornane 16a represents the optimum arrangement, and this compound is one of the most efficacious and potent muscarinic agonists known. In a series of isoquinuclidine based muscarinic agonists efficacy and affinity are influenced by the geometry between the cationic head.group and hydrogen bond acceptor
作者:Graham A. Showell、Tracey L. Gibbons、Clare O. Kneen、Angus M. MacLeod、Kevin Merchant、John Saunders、Stephen B. Freedman、Shailendra Patel、Raymond Baker
DOI:10.1021/jm00107a032
日期:1991.3
Recent studies have described novel azabicycle-based muscarinicagonists which readily penetrate into the central nervous system and are capable of displaying high efficacy at cortical sites. The current paper describes the synthesis and biochemical assessment of semirigid muscarinic ligands which were used to map the requirements of the cortical muscarinic receptor and to study the degree of conformational