Highly Chiral Muscarinic Ligands: The Discovery of (2<i>S</i>,2‘<i>R</i>,3‘<i>S</i>,5‘<i>R</i>)-1-Methyl-2-(2-methyl-1,3-oxathiolan-5-yl)pyrrolidine 3-sulfoxide Methyl Iodide, a Potent, Functionally Selective, M<sub>2</sub> Partial Agonist
作者:Serena Scapecchi、Rosanna Matucci、Cristina Bellucci、Michela Buccioni、Silvia Dei、Luca Guandalini、Cecilia Martelli、Dina Manetti、Elisabetta Martini、Gabriella Marucci、Marta Nesi、Maria Novella Romanelli、Elisabetta Teodori、Fulvio Gualtieri
DOI:10.1021/jm0510878
日期:2006.3.1
the series [(-)-5, (-)-7, (+)-8] are endowed with functional activity and behave as M2 selective partial agonists. Among them, compound (2S,2'R,3'S,5'R)-1-methyl-2-(2-methyl-1,3-oxathiolan-5-yl)pyrrolidine 3-sulfoxide methyl iodide [(+)-8] is particularly interesting, as it is a potent partial agonist on guinea pig atrium (force) (M2; pD2=7.65, alpha=0.41) while being a poor antagonist on M1, M3, and
通过先前研究的高度手性毒蕈碱激动剂的进一步空间复杂性,我们获得了对映异构和非对映异构的1-甲基-2-(2-甲基-1,3-氧硫杂环戊基-5-基)吡咯烷3-亚砜的小型手性文库。对在CHO细胞中表达的克隆的人类毒蕈碱受体的结合研究表明,引入第四个立体生成中心对hm1,hm3,hm4和hm5亚型具有不可检测的亲和力,而仅对hm2亚型具有相当适度的亲和力。但是,对模型M1-M4毒蕈碱组织的功能研究表明,[[-)-5,(-)-7,(+)-8]系列中的三种化合物具有功能活性并具有M2选择性部分激动剂的作用。 。其中,化合物(2S,2'R,3'S,5'R)-1-甲基-2-(2-甲基-1,