NOVEL BENZIMIDAZOLE DERIVATIVES AS EP4 ANTAGONISTS
申请人:BAYER PHARMA AKTIENGESELLSCHAFT
公开号:US20160214977A1
公开(公告)日:2016-07-28
The present invention relates to novel benzimidazole derivatives of the general formula (I), processes for their preparation and their use for the production of pharmaceutical compositions for the treatment of diseases and indications that are connected with the receptor EP4.
Synthesis, characterization, and molecular docking analysis of novel benzimidazole derivatives as cholinesterase inhibitors
作者:Yeong Keng Yoon、Mohamed Ashraf Ali、Ang Chee Wei、Tan Soo Choon、Kooi-Yeong Khaw、Vikneswaran Murugaiyah、Hasnah Osman、Vijay H. Masand
DOI:10.1016/j.bioorg.2013.06.008
日期:2013.8
Two series of novel acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitors containing benzimidazole core structure were synthesized by a four-step reaction pathway starting from 4-fluoro-3-nitrobenzoic acid as the basic compound. The structure of the novel benzimidazoles was characterized and confirmed by the elemental and mass spectral analyses as well as H-1 NMR spectroscopic data. Of the 34 novel synthesized compounds, three benzimidazoles revealed AChE inhibition with IC50 < 10 mu M. The highest inhibitory activity (IC50 = 5.12 mu M for AChE and IC50 = 8.63 mu M for BChE) corresponds to the compound 5IIc (ethyl 1-(3-(1H-imidazol-1-yl)propyl)-2-(4-nitrophenyl)-1H-benzo[d]imidazole-5-carboxylate). The relationship between lipophilicity and the chemical structures as well as their limited structure-activity relationship was discussed. (C) 2013 Elsevier Inc. All rights reserved.
Synthesis and evaluation of antimycobacterial activity of new benzimidazole aminoesters
作者:Yeong Keng Yoon、Mohamed Ashraf Ali、Ang Chee Wei、Tan Soo Choon、Rusli Ismail
DOI:10.1016/j.ejmech.2013.06.025
日期:2015.3
A total of 51 novel benzimidazoles were synthesized by a 4-step reaction starting from basic compound 4-fluoro-3-nitrobenzoic acid under relatively mild reaction conditions. The structure of the novel benzimidazoles was confirmed by mass spectra as well as H-1 NMR spectroscopic data. Out of the 51 novel synthesized compounds, 42 of them were screened for their antimycobacterial activity against Mycobacterium tuberculosis H(37)Rv strain using BacTiter-Glo (TM) Microbial Cell Viability (BTG) method. Results of activity screened using Alamar Blue method was also provided for comparison purposes. Two of the novel benzimidazoles synthesized showed moderately good activity with 1050 of less than 15 mu M. Compound 5g, ethyl 2-(4-(trifluoromethyl)phenyl)-1-(2-morpholinoethyl)-1H-benzo[d]imidazole-5-carboxylate, was found to be the most active with IC50 of 11.52 mu M. (C) 2014 Elsevier Masson SAS. All rights reserved.
NEUARTIGE BENZIMIDAZOLDERIVATE ALS EP4-ANTAGONISTEN