4-N-linked-heterocyclic piperidine derivatives with high affinity and selectivity for human dopamine D4 receptors
摘要:
The syntheses of a number of different N-linked heterocyclic pyrazole replacements based on the structure 1 are described (compounds 3-12) as hD4 ligands. After further optimisation the best compound identified was 13 which has high affinity for hD4 (5.2 nM) and >300-fold selectivity for hD4 receptors over hD2 and hD3 receptors. (C) 1999 Elsevier Science Ltd. All rights reserved.
4-Substituted 4-(1H-1,2,3-triazol-1-yl)piperidine: Novel C7 moieties of fluoroquinolones as antibacterial agents
作者:Xiaoguang Huang、Aiqin Zhang、Dongliang Chen、Zhenhua Jia、Xingshu Li
DOI:10.1016/j.bmcl.2010.03.044
日期:2010.5
A series of 4-substituted4-(1H-1,2,3-triazol-1-yl)piperidine building blocks was synthesized and introduced to the C7 position of the quinolone core, 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid, to afford the corresponding fluoroquinolones in 40–83% yield. The antibacterial activity of these new fluoroquinolones was evaluated using a standard broth microdilution
Regioselective synthesis of [1,2,3]-triazoles catalyzed by Cu(I) generated in situ from Cu(0) nanosize activated powder and amine hydrochloride salts
作者:Hernán A. Orgueira、Demosthenes Fokas、Yuko Isome、Philip C.-M. Chan、Carmen M. Baldino
DOI:10.1016/j.tetlet.2005.02.127
日期:2005.4
A straightforward and efficient method for the regioselectivesynthesis of functionalized 1,4-disubstituted [1,2,3]-triazoles, from terminal alkynes and azides, has been established utilizing Cu(0) as the source of the catalytic species. The presumed catalytic Cu(I) species is generated by the combination of 10 mol % copper nanosize activated powder and 1 equiv of an amine hydrochloride salt. The addition
Five-membered heteroaromatic compounds as dopamine receptor subtype
申请人:Merck Sharp & Dohme Ltd.
公开号:US05939436A1
公开(公告)日:1999-08-17
A class of heteroaromatic compounds incorporating a substituted five-membered heteroaromatic nucleus which contains at least two nitrogen atoms are ligands for dopamine receptor subtypes within the body and are therefore useful in the treatment and/or prevention of disorders of the dopamine system, in particular schizophrenia and depression.