Discovery of GSK1997132B a novel centrally penetrant benzimidazole PPARγ partial agonist
摘要:
The peroxisome proliferator-activated receptor gamma (PPAR gamma) is a ligand-activated nuclear receptor, thought to play a role in energy metabolism, glucose homeostasis and microglia-mediated neuroinflammation. A novel benzimidazole series of centrally penetrant PPAR gamma partial agonists has been identified. The optimization of PPAR gamma activity and in vivo pharmacokinetics leading to the identification of GSK1997132B a potent, metabolically stable and centrally penetrant PPAR gamma partial agonist, is described. (C) 2011 Elsevier Ltd. All rights reserved.
Synthesis of some new benzimidazolecarboxamides and evaluation of their antimicrobial activity
摘要:
A series of 1,2-disubstituted benzimidazole-5(6)-carboxamides was prepared and evaluated in vitro for antimicrobial activity against Staphyloccus aureus, Escherichia coli and Candida albicans. The precursor benzimidazolecarboxylic acids 4a-c and 9a-c were prepared via oxidative condensation of diaminobenzoic acids with aldehydes and via several steps over the 2(1H)-benzimidazolones, respectively. All acids were converted to their acyl chlorides with SOCI2, then amidified with several N,N'-dialkylaminoethyl derivatives. Compounds 8a-c, 20 and 22 exhibited the best activity. (C) 1998 Elsevier Science S.A. All rights reserved.
Synthesis and biological evaluation of quinoxaline derivatives as tubulin polymerization inhibitors that elevate intracellular
<scp>ROS</scp>
and triggers apoptosis via mitochondrial pathway
antiproliferative activity with IC50 in the range of 0.19-0.51 μM. The compound inhibited tubulin polymerization and disrupted the microtubule network, leading to G2/M phase arrest. Furthermore, compound 12 induced ROS production and malfunction of mitochondrial membrane potential. Compound 12 led to cancer cells apoptosis in a dose-dependent manner. Westernblotanalysis showed that compound 12 induced up-regulation