Here, we report the synthesis of all major 2-alkyl-4(1H)-quinolone N-oxide classes of Pseudomonas and Burkholderia, quantification of their native production levels and their antibiotic activities against competing Staphylococcus aureus.
Synthesis and identification of quinoline derivatives as topoisomerase I inhibitors with potent antipsoriasis activity in an animal model
作者:Wen-Jin Zhang、Peng-Hui Li、Min-Cong Zhao、Yao-Hao Gu、Chang-Zhi Dong、Hui-Xiong Chen、Zhi-Yun Du
DOI:10.1016/j.bioorg.2019.03.073
日期:2019.7
and effective strategies for the treatment of this condition remains important. Research suggests that DNA topoisomerase I (Topo I) inhibitors may have potent psoriasis-ameliorating effects. Here, 25 quinoline derivatives were synthesized and identified as Topo I inhibitors. These compounds inhibited the 12-O-tetradecanoylphorbol-13-acetate-induced mouse ear inflammation. The most potent analogs, 5i and
Discovery and synthesis of a novel series of quinoline-based thrombin receptor (PAR-1) antagonists
作者:Martin C. Clasby、Samuel Chackalamannil、Michael Czarniecki、Dario Doller、Keith Eagen、William J. Greenlee、Yan Lin、Hsingan Tsai、Yan Xia、Ho-Sam Ahn、Jacqueline Agans-Fantuzzi、George Boykow、Madhu Chintala、Carolyn Foster、Matthew Bryant、Janice Lau
DOI:10.1016/j.bmcl.2005.12.042
日期:2006.3
The design, synthesis, and SAR studies of a structurally novel series of highly potent thrombin receptor (PAR-1) antagonists are described. Compound 30 is a highly potent thrombin receptor antagonist (IC(50)=6.3 nM), a related compound 36 showing efficacy in a monkey ex vivo study.
Selectivity of N- Versus O-Alkylation in Mitsunobu Reactions with Various Quinolinols and Isoquinolinols
作者:Ryan E. Hartung、Mark C. Wall、Sylvain Lebreton、Martin Smrcina、Marcel Patek
DOI:10.3987/com-17-13710
日期:——
equilibria that allows systems of this nature to react as ambident nucleophiles through the conjugate base resonance structures, often leading to mixtures of Oand N-alkylation. However, like with 2-pyridones, we observed that many factors can influence the alkylation ratio. These include, but are not limited to, solvation of the nucleophile (conjugate base of the heterocycle), the electrophilicity of the activated
Ruthenium pincer complex catalyzed efficient synthesis of quinoline, 2-styrylquinoline and quinazoline derivatives <i>via</i> acceptorless dehydrogenative coupling reactions
作者:Dipanjan Bhattacharyya、Priyanka Adhikari、Kritartha Deori、Animesh Das
DOI:10.1039/d2cy01030e
日期:——
by-products. Herein, we report an efficient method for synthesis of quinoline and quinazolinederivativesvia ADC of alcohols catalysed by a bifunctional ruthenium NNN-pincer complex. With a lower catalyst loading (0.1 mol%), base loading (1 mol%) and shorter reaction time (6 h) under aerial conditions, a wide variety of substituted quinolines and quinazolines were synthesized from 2-aminobenzyl alcohols, secondary