Assessment of antiplatelet activity of 2-aminopyrimidines
摘要:
A series of 4,6-diaryl-2-aminopyrimidines was developed as antiplatelet agents and their potency was evaluated by in vitro assay. Compound 14k was found to be two times more potent than aspirin. These encouraging results could be helpful for the development of new antiplatelet compounds. (C) 2012 Elsevier Masson SAS. All rights reserved.
Synthesis of Multi-Functionalized Chromeno[2,3-c]pyrrol-9(2H)-ones: Investigation and Application of Baker-Venkataraman Rearrangement Involved Reactions Catalyzed by 4-(Dimethylamino)pyridine
作者:Yanjun Yu、Yun Hu、Weiyan Shao、Jianing Huang、Yinglin Zuo、Yingpeng Huo、Linkun An、Jun Du、Xianzhang Bu
DOI:10.1002/ejoc.201100435
日期:2011.8
An efficient one-potsynthesis of multi-functionalized chromeno[2,3-c]pyrrol-9(2H)-onesfrom 1,3-diaryl-1,3-diketones and amino acids is described. The synthesis is based on the 4-(dimethylamino)pyridine-catalyzed Baker–Venkataraman rearrangement and subsequent reactions.
Phosphodiesterase-5 (PDE5) inhibitors have been approved for the treatment of erectile dysfunction and pulmonary hypertension, but enthusiasm on discovery of PDE5 inhibitors continues for their potential new applications. Reported here is discovery of a series of new PDE5 inhibitors by structure-based design, molecular docking, chemical synthesis, and enzymatic characterization. The best compound, 3(4-hydroxybenzyl)-1-(thiophen-2-yl)chromeno[2,3-c]pyrrol-9(2H)-one (57), has an IC50 of 17 nM against the PDE5 catalytic domain and good selectivity over other PDE families. The crystal structure of the PDE5 catalytic domain in complex with 57 was determined at 2 angstrom resolution and showed that 57 occupies the same pocket as other PDE5 inhibitors, but has a different binding pattern in detail. On the basis of the binding pattern of 57, a novel scaffold can be proposed as a candidate of PDE inhibitors. (C) 2014 Elsevier Inc. All rights reserved.
Assessment of antiplatelet activity of 2-aminopyrimidines
作者:Rajani Giridhar、Riyaj S. Tamboli、R. Ramajayam、Dhaval G. Prajapati、M.R. Yadav
DOI:10.1016/j.ejmech.2012.01.035
日期:2012.4
A series of 4,6-diaryl-2-aminopyrimidines was developed as antiplatelet agents and their potency was evaluated by in vitro assay. Compound 14k was found to be two times more potent than aspirin. These encouraging results could be helpful for the development of new antiplatelet compounds. (C) 2012 Elsevier Masson SAS. All rights reserved.