Methods of Inhibiting Bacterial Virulence and Compounds Relating Thereto
申请人:Sperandio Vanessa
公开号:US20100048573A1
公开(公告)日:2010-02-25
The present invention relates to compounds and methods for the treatment of bacterial infections. Because their mechanism of action does not involve killing of bacteria or inhibiting their growth, the potential for these compounds to induce drug resistance in bacteria is minimized. Through inhibiting bacterial virulence, the present invention provides a novel means of treating bacterial infections.
[EN] PYRAZINE COMPOUNDS AND USES THEREOF<br/>[FR] COMPOSÉS DE PYRAZINE ET LEURS UTILISATIONS
申请人:DIZAL JIANGSU PHARMACEUTICAL CO LTD
公开号:WO2020035052A1
公开(公告)日:2020-02-20
The present disclosure novel pyrazine compounds targeting adenosine receptors (especially A1 and A2, particularly A2a). The present disclosure also relates to pharmaceutical compositions comprising one or more of the compounds as an active ingredient, and use of the compounds in the treatment of adenosine receptor (AR) associated diseases, for example cancer such as NSCLC, RCC, prostate cancer, and breast cancer.
Effect of halogen bonding interaction on supramolecular assembly of halogen-substituted phenylpyrazinamides
作者:Hamid Reza Khavasi、Alireza Azhdari Tehrani
DOI:10.1039/c3ce40093j
日期:——
A series of halogen-substituted phenylpyrazinamides have been synthesized and crystallographically characterized in order to investigate the effect of halogen bonding interaction on supramolecular assembly of N-phenylpyrazine-2-carboxamide derivatives. The notable feature in crystal structures of meta- and para-iodinated, brominated and chlorinated compounds is that there is a tendency to form a halogen bonding synthon between adjacent halophenyl and prazine/halophenyl rings. Influence of these halogen bonding interactions on supramolecular assemblies have been discussed with the help of geometrical analysis and theoretical calculations. The X⋯N halogen bonding distances are 2.2–7.7% shorter than the sum of the van der Waals radii of the nitrogen and halogen atoms. Also, theoretical methods show the N⋯X halogen bonding energies within a range of −9.43 to −23.67 kJ mol−1. Our studies show that the selection of halogen atom as well as the position of substitution on phenylpyrazinamide compound may be important for crystal design based on halogen bonding.