Synthesis and Molecular Docking Study of Novel Chromeno-chromenones as Anti-HIV-1 NNRT Inhibitors

Synlett ◽  
2015 ◽  
Vol 26 (14) ◽  
pp. 1969-1972 ◽  
Author(s):  
Sudhakar Bhusare ◽  
Hanmant Kasralikar ◽  
Suresh Jadhavar
2015 ◽  
Vol 29 (5) ◽  
pp. 724-729 ◽  
Author(s):  
Supinya Tewtrakul ◽  
Prapaporn Chaniad ◽  
Somsak Pianwanit ◽  
Chatchanok Karalai ◽  
Chanita Ponglimanont ◽  
...  

2019 ◽  
Vol 16 (4) ◽  
pp. 382-391
Author(s):  
Navin B. Patel ◽  
Asif R. Shaikh ◽  
Vatsal M. Patel ◽  
Edgar E. Lara-Ramirez ◽  
Gildardo Rivera

Background: The present work describes antimicrobial, antimycobacterium and anti HIV-1 evaluation of newly synthesized 5-(4-Substituted-benzylidene)-3-[4-(5-methyl-benzothiazol- 2-yl)-phenyl]-2-phenyl-3,5-dihydro-imidazol-4-one (4a-o). The docking studies were performed in order to predict the potential binding affinities. Objective: The major aim of this study is to develop the new class of bezylidine candidate clubbed with benzothiazole with less toxicity and improved potency as antimicrobial, antitubercular and anti HIV-1. Methods: The titled compounds were characterized by spectral studies (IR, 1H NMR, 13C NMR and Mass). In vitro antimycobacterium activity was carried out using Lowenstein-Jensen medium method and antimicrobial activity using the broth microdilution method. The anti HIV-1 reverse transcriptase activity was determined by the colorimetric MTT method and inhibition of virusinduced cytopathogenicity in MT-4 cells. Results: Compound 4i (50 µM) showed better antifungal activity against A. clavatus. Compound 4g (50 µM) with 95% inhibition demonstrated good activity against M. tuberculosis H37Rv. Compound 4k showed CC50 (50 µM) against MT-4 (CD4+ Human T-cells containing an integrated HTLV-1 genome) cells by 50%, while 16 µM concentration value EC50 from the HIV-1 induced cytopathogenicity. Molecular docking study suggested that 4k interacted with the target with binding energy by Vina score (-10.3 Kcal/mol). Conclusion: The preliminary in vitro evaluation results revealed that some of the compounds have promising antimicrobial activities as well as antitubercular potency. Among the various substituents on benzylidene, the nitro group was the most beneficial for improving the anti-HIV-1 activity. Docking result suggested that 4k compound could be acting as a non-competitive or weak inhibitor of Reverse Transcriptase (RT).


2015 ◽  
Vol 54 (4) ◽  
pp. 654-659 ◽  
Author(s):  
Jindaporn Puripattanavong ◽  
Pattreeya Tungcharoen ◽  
Prapaporn Chaniad ◽  
Somsak Pianwanit ◽  
Supinya Tewtrakul

2016 ◽  
Vol 54 (6) ◽  
pp. 1077-1085 ◽  
Author(s):  
Prapaporn Chaniad ◽  
Chatchai Wattanapiromsakul ◽  
Somsak Pianwanit ◽  
Supinya Tewtrakul

2019 ◽  
Vol 20 (20) ◽  
pp. 5209 ◽  
Author(s):  
Elwira Chrobak ◽  
Krzysztof Marciniec ◽  
Aleksandra Dąbrowska ◽  
Paweł Pęcak ◽  
Ewa Bębenek ◽  
...  

Since the beginning of the human immunodeficiency virus (HIV) epidemic, many groups of drugs characterized by diverse mechanisms of action have been developed, which can suppress HIV viremia. 3-O-(3′,3′-Dimethylsuccinyl) betulinic acid, known as bevirimat (BVM), was the first compound in the class of HIV maturation inhibitors. In the present work, phosphate and phosphonate derivatives of 3-carboxyacylbetulinic acid were synthesized and evaluated for anti-HIV-1 activity. In vitro studies showed that 30-diethylphosphonate analog of BVM (compound 14a) has comparable effects to BVM (half maximal inhibitory concentrations (IC50) equal to 0.02 μM and 0.03 μM, respectively) and is also more selective (selectivity indices: 3450 and 967, respectively). To investigate the possible mechanism of antiviral effect of 14a, molecular docking was carried out on the C-terminal domain (CTD) of HIV-1 capsid (CA)–spacer peptide 1 (SP1) fragment of Gag protein, designated as CTD-SP1, which was described as a molecular target for maturation inhibitors. Compared with interactions between BVM and the protein, an increased number of strong interactions between ligand 14a and protein, generated by the phosphonate group, was observed.


ChemInform ◽  
2016 ◽  
Vol 47 (3) ◽  
Author(s):  
Hanmant M. Kasralikar ◽  
Suresh C. Jadhavar ◽  
Sudhakar R. Bhusare

2021 ◽  
Vol 1797 (1) ◽  
pp. 012042
Author(s):  
Tanmoy Dutta ◽  
Sajal Ghorai ◽  
Abdul Ashik Khan ◽  
Nabajyoti Baildya ◽  
Narendra Nath Ghosh

Biomolecules ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 1148
Author(s):  
Krzysztof Marciniec ◽  
Elwira Chrobak ◽  
Aleksandra Dąbrowska ◽  
Ewa Bębenek ◽  
Monika Kadela-Tomanek ◽  
...  

Lupane-type pentacyclic triterpenes such as betulin and betulinic acid play an important role in the search for new therapies that would be effective in controlling viral infections. The aim of this study was the synthesis and evaluation of in vitro anti-HIV-1 activity for phosphate derivatives of 3-carboxyacylbetulin 3–5 as well as an in silico study of new compounds as potential ligands of the C-terminal domain of the HIV-1 capsid–spacer peptide 1 (CA-CTD-SP1) as a molecular target of HIV-1 maturation inhibitors. In vitro studies showed that 28-diethoxyphosphoryl-3-O-(3′,3′-dimethylsuccinyl)betulin (compound 3), the phosphate analog of bevirimat (betulinic acid derivative, HIV-1 maturation inhibitor), has IC50 (half maximal inhibitory concentration) equal to 0.02 μM. Compound 3 inhibits viral replication at a level comparable to bevirimat and is also more selective (selectivity indices = 1250 and 967, respectively). Molecular docking was used to examine the probable interaction between the phosphate derivatives of 3-carboxyacylbetulin and C-terminal domain (CTD) of the HIV-1 capsid (CA)–spacer peptide 1 (SP1) fragment of Gag protein, designated as CTD-SP1. Compared with interactions between bevirimat (BVM) and the protein, an increased number of strong interactions between ligand 3 and the protein, generated by the phosphate group, were observed. These compounds might have the potential to also inhibit SARS-CoV2 proteins, in as far as the intrinsically imprecise docking scores suggest.


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