New Pyrazine Conjugates: Synthesis, Computational Studies, and Antiviral Properties against SARS‐CoV‐2
作者:Israa A. Seliem、Adel S. Girgis、Yassmin Moatasim、Ahmed Kandeil、Ahmed Mostafa、Mohamed A. Ali、Mohamed S. Bekheit、Siva S. Panda
DOI:10.1002/cmdc.202100476
日期:2021.11.19
Antiviral drug development for SARS-CoV-2: The design and microwave-assisted synthesis of pyrazine conjugates are reported. Some of the newly synthesized conjugates show better antiviral activity and selectivity indexes than those of the reference drug. All the lead compounds exhibited low cytotoxicity. Thus, these conjugates could lead to the development of potential drug candidates for SARS-CoV-2.
TRIPETIDE BORONIC ACID OR BORONIC ESTER, PREPARATIVE METHOD AND USE THEREOF
申请人:Li Runtao
公开号:US20120135921A1
公开(公告)日:2012-05-31
The present invention discloses proteasome inhibitors of tripeptide boronic acids or boronic esters represented by Formula (I), preparative method and use thereof. The proteasome inhibitors are therapeutical agents for treating malignant tumor, various nervous system degenerative diseases, muscle cachexia or diabetes, wherein the malignant tumor is leukemia, gastric cancer, hepatocarcinoma or nasopharyngeal carcinoma.
Pyrazinamide (PZA) conjugates and hybrids are provided herein. The PZA conjugates are useful for treating bacterial infections. In one embodiment, the PZA conjugates are useful for treating tuberculosis.
TRIPEPTIDE BORONIC ACID OR BORONIC ESTER, PREPARATIVE METHOD AND USE THEREOF
申请人:Peking University
公开号:EP2444411B1
公开(公告)日:2016-10-26
Tryptophan and thiosemicarbazide derivatives: design, synthesis, and biological evaluation as potential β-d-galactosidase and β-d-glucosidase inhibitors
作者:Reema Abu Khalaf、Ahmed Mutanabbi Abdula、Mohammad S. Mubarak、Mutasem O. Taha
DOI:10.1007/s00044-014-1314-4
日期:2015.6
Glycosidases, including beta-d-galactosidase and beta-d-glucosidase, are involved in a range of metabolic disorders, such as cancer, viral or bacterial infections, and diabetes. Previously, we scanned the pharmacophoric space of these enzymes and had a self-consistent and predictive quantitative structure-activity relationship that was used to identify several beta-d-galactosidase and beta-d-glucosidase inhibitors via in silico search of structural databases. Guided by the preceding modeling efforts, synthesis of a series of tryptophan and thiosemicarbazide derivatives as beta-d-galactosidase and beta-d-glucosidase inhibitors that match the generated pharmacophores followed by in vitro bioassay was carried out. Synthesized compounds 3c (37 % inhibition at 100 A mu M) and 4d (49 % inhibition at 100 A mu M) exhibited the best inhibitory bioactivities against beta-d-galactosidase and beta-d-glucosidase, respectively. They can serve as a promising lead compounds for the development of potential glycosidase inhibitors.