5-Piperazinyl-3-sulfonylindazoles as Potent and Selective 5-Hydroxytryptamine-6 Antagonists
作者:Kevin G. Liu、Albert J. Robichaud、Ronald C. Bernotas、Yinfa Yan、Jennifer R. Lo、Mei-Yi Zhang、Zoe A. Hughes、Christine Huselton、Guo Ming Zhang、Jean Y. Zhang、Dianne M. Kowal、Deborah L. Smith、Lee E. Schechter、Thomas A. Comery
DOI:10.1021/jm1007825
日期:2010.11.11
Herein we report the identification of a novel series of 5-piperazinyl-3-sulfonylindazoles as potent and selective 5-HT6 antagonists. The synthesis, SAR, and pharmacokinetic and pharmacological activities of some of the compounds including 3-(naphthalen-1-ylsulfonyl)-5-(piperazin-1-yl)-1H-indazole (WAY-255315 or SAM-315) will be described.
A series of 5-halogenomethylsulfonylbenzimidazole and benzotriazole derivatives was synthesized as potential antibacterial agents. A new method of synthesis of benzimidazoles was developed. The antimicrobial activities of these compounds were tested against a series of reference and clinical strains. The reference strains include Gram-positive bacteria (S. aureus, S. epidermidis, B. subtilis, B. cereus
here. This strategy enables the enantioselective construction of chiral allylic sulfones from simple α-chlorosulfones and vinyl bromides. The mild reaction conditions lead to excellent functional group compatibility, as evidenced by the broad substrate scope and tolerance of complex bioactive molecules. Our preliminary mechanistic study suggests that this enantioselective vinylation process operates through