Design, synthesis and structure-activity relationships of novel imidazolo[1,2-a]pyrimid-5-ones as potent GnRH receptor antagonists
SAR studies of lead GnRH receptor antagonists 2a and 2b reported earlier resulted in the discovery of compound 10b which showed much higher potency (Ki=4.6 nM, compared with 2b, Ki=230 nM) in which the 7-position of the imidazolo[1,2-a]pyrimidone core was substituted with a methyl group, and the ester at the 6-position was replaced by the 3-methoxyphenyl group.
Gross, Timothy D.,Zhu, Yun-Fei,Saunders, John,Wilcoxen, Keith M.,Gao, Yinghong,Connors Jr., Patrick J.,Guo, Zhiqiang,Struthers,Reinhart, Greg J.,Chen, Chen
p. 2185 - 2187
(2007/10/03)
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