Synthesis, molecular modeling and anti-inflammatory screening of novel fluorinated quinoline incorporated benzimidazole derivatives using the Pfitzinger reaction
作者:Said A. El-Feky、Hamdy Kh. Thabet、Mustafa T. Ubeid
DOI:10.1016/j.jfluchem.2014.02.012
日期:2014.5
Several new fluorinated quinolinederivatives were synthesized and tested for their anti-inflammatory and ulcerogenic effect. A docking study on the COX-2 binding pocket was carried out for the target compounds to rationalize the possible selectivity of them against COX-2 enzyme. The most active compounds (3, 2, 7 and 11) were found to be superior to celecoxib as they were devoid of any ulcerogenic
Provided herein are compounds of the formula (I): as well as pharmaceutically acceptable salts thereof, wherein the substituents are as those disclosed in the specification. These compounds, and the pharmaceutical compositions containing them, are useful for the treatment of inflammatory diseases and disorders such as, for example, pulmonary fibrosis.
A Convenient Synthesis of Mono-,<i>N</i>,<i>N</i>′-Di-, and Trisubstituted Selenoureas from Methyl Carbamimidothioates (<i>S</i>-Methylpseudothioureas)
作者:Victor Israel Cohen
DOI:10.1055/s-1980-28927
日期:——
Discovery of Highly Selective and Orally Active Lysophosphatidic Acid Receptor-1 Antagonists with Potent Activity on Human Lung Fibroblasts
作者:Yimin Qian、Matthew Hamilton、Achyutharao Sidduri、Stephen Gabriel、Yonglin Ren、Ruoqi Peng、Rama Kondru、Arjun Narayanan、Terry Truitt、Rachid Hamid、Yun Chen、Lin Zhang、Adrian J. Fretland、Ruben Alvarez Sanchez、Kung-Ching Chang、Matthew Lucas、Ryan C. Schoenfeld、Dramane Laine、Maria E. Fuentes、Christopher S. Stevenson、David C. Budd
DOI:10.1021/jm301022v
日期:2012.9.13
Lysophosphatidic acid is a class of bioactive phospholipid that mediates most of its biological effects through LPA receptors, of which six isoforms have been identified. The recent results from LPA1 knockout mice suggested that blocking LPA1 signaling could provide a potential novel approach for the treatment of idiopathic pulmonary fibrosis. Here, we report the design and synthesis of pyrazole- and triazole-derived carbamates as LPA1-selective and LPA1/3 dual antagonists. In particular, compound 2, the most selective LPA1 antagonist reported, inhibited proliferation and contraction of normal human lung fibroblasts (NHLF) following LPA stimulation. Oral dosing of compound 2 to mice resulted in a dose-dependent reduction of plasma histamine levels in a murine LPA challenge model. Furthermore, we applied our novel antagonists as chemistry probes and investigated the contribution of LPA1/2/3 in mediating the pro-fibrotic responses. Our results suggest LPA1 as the major receptor subtype mediating LPA-induced proliferation and contraction of NHLF.