[EN] PHENYL-3-{(3-(1H-PYRROL-2-YL)-[1, 2 , 4]0XADIAZ0L-5-YL]PIPERIDIN-1-YL}-METHANONE DERIVATIVES AND RELATED COMPOUNDS AS POSITIVE ALLOSTERIC MODULATORS OF METABOTROPIC GLUTAMATE RECEPTORS [FR] DERIVES DE PYRROLE UTILISES EN TANT QUE MODULATEURS ALLOSTERIQUES POSITIFS DES RECEPTEURS DE GLUTAMATE METABOTROPIQUE
Titanium(IV) Isopropoxide Mediated Synthesis of Pyrimidin-4-ones
作者:Joshi M. Ramanjulu、Michael P. DeMartino、Yunfeng Lan、Robert Marquis
DOI:10.1021/ol100624p
日期:2010.5.21
A novel, one-step method for the synthesis of tri- and tetrasubstituted pyrimidin-4-ones is reported. This method involves a titanium(IV)-mediated cyclization involving two sequential condensations of primary and β-ketoamides. The reaction is operationally facile, readily scalable, and offers rapid entry into differentially substituted pyrimidin-4-one scaffolds. The high functional group compatibility
The synthesis and biological activity of a novel series of 2-alkyl-4-pyrrolidinylthio-beta-methylcarbapenems containing a variety of cationic heteroaromatic substituents is described. As a result of these studies, we uncovered a relationship between in vitro antibacterialactivity and the length of the alkyl spacer part, and discovered FR20950 (1c), containing a two methylene spacer moiety and an imidazolio
Substituted 3-pyrrolidinylthio-carbapenems as antimicrobial agents
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05608056A1
公开(公告)日:1997-03-04
A compound of the formula: ##STR1## in which R.sup.1 is carboxy or protected carboxy, R.sup.2 is 1-hydroxyethyl, R.sup.3 is methyl, R.sup.4 is optionally substituted pyridyl(lower)alkyl, optionally N-substituted 2-oxopiperazin-1-yl-(lower)alkyl, optionally substituted imidazol-1-yl(C.sub.2 -C.sub.3)alkyl, optionally substituted imidazol-5-yl-(lower)alkyl, optionally substituted imidazol-2-yl-(lower)alkyl, optionally substituted pyrazol-4-(or 5-)yl(lower)alkyl, optionally substituted pyrazol-1-ylethyl, optionally substituted triazolyl(lower)alkyl, optionally substituted pyrimidinyl(lower)alkyl, optionally substituted dihydropyrimidinyl(lower)alkyl, or optionally substituted (2,3-dihydroimidazo-[1,2-b]pyrazol-1-yl)ethyl, and R.sup.5 is hydrogen or imino-protective group, and pharmaceutically acceptable salts thereof, which have antimicrobial activity.
Design, Synthesis, and Biological Evaluation of 2-Nitroimidazopyrazin-one/-es with Antitubercular and Antiparasitic Activity
作者:Angie M. Jarrad、Chee Wei Ang、Anjan Debnath、Hye Jee Hahn、Kyra Woods、Lendl Tan、Melissa L. Sykes、Amy J. Jones、Ruby Pelingon、Mark S. Butler、Vicky M. Avery、Nicholas P. West、Tomislav Karoli、Mark A. T. Blaskovich、Matthew A. Cooper
DOI:10.1021/acs.jmedchem.8b01578
日期:2018.12.27
trypanosomiasis, all urgently require improved treatment options. Recently, it has been shown that antitubercular bicyclic nitroimidazoles such as pretomanid and delamanid have potential as repurposed therapeutics for the treatment of visceral leishmaniasis. Here, we show that pretomanid also possesses potent activity against Giardia lamblia and Entamoeba histolytica, thus expanding the therapeutic potential