Trans-4-methyl-3-imidazoyl pyrrolidine as a potent, highly selective histamine H3 receptor agonist in vivo
作者:Neng-Yang Shih、Robert Aslanian、Andrew T. Lupo、Steve Orlando、John J. Piwinski、Michael J. Green、Ashit K. Ganguly、Robert West、Salvatore Tozzi、William Kreutner、John A. Hey
DOI:10.1016/s0960-894x(98)00020-1
日期:1998.2
discovery of trans-4-methyl-3-imidazoyl pyrrolidine (+/-)-3a as a potent and highly selective H3 agonist. The pyrroline (+/-)-3a was resolved, and its (+) enantiomer, Sch 50971 [(+)-3a], showed a greater separation of H3 and H1 activities in vivo (H3/H1 ratio >> 330) than (R)-alpha-methylhistamine (+)-1 (H3/H1 ratio = 17), the standard H3 agonist.
Immepyr(+)-2的广泛结构修饰导致反式-4-甲基-3-咪唑基吡咯烷(+/-)-3a作为有效且高度选择性的H3激动剂的发现。解析了吡咯啉(+/-)-3a,其(+)对映异构体Sch 50971 [(+)-3a]与体内H3和H1活性的分离程度更大(H3 / H1比>> 330) (R)-α-甲基组胺(+)-1(H3 / H1比= 17),是标准的H3激动剂。