Synthesis and biological evaluation of α-ketoamides as inhibitors of the Dengue virus protease with antiviral activity in cell-culture

2011 ◽  
Vol 19 (13) ◽  
pp. 4067-4074 ◽  
Author(s):  
Christian Steuer ◽  
Christian Gege ◽  
Wolfgang Fischl ◽  
Karl H. Heinonen ◽  
Ralf Bartenschlager ◽  
...  
2013 ◽  
Vol 56 (21) ◽  
pp. 8389-8403 ◽  
Author(s):  
Christoph Nitsche ◽  
Verena N. Schreier ◽  
Mira A. M. Behnam ◽  
Anil Kumar ◽  
Ralf Bartenschlager ◽  
...  

2021 ◽  
pp. 105518
Author(s):  
Valentina Gentili ◽  
Giulia Turrin ◽  
Paolo Marchetti ◽  
Sabrina Rizzo ◽  
Giovanna Schiuma ◽  
...  

2018 ◽  
Vol 149 ◽  
pp. 95-105 ◽  
Author(s):  
Cai Lin ◽  
Jianchen Yu ◽  
Muzammal Hussain ◽  
Yiqian Zhou ◽  
Anna Duan ◽  
...  

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Vinod Kumar Pandey ◽  
Zehra Tusi ◽  
Sumerah Tusi ◽  
Madhawanand Joshi

A series of novel 4-amino-5-mercapto-3-[(3-aralkyl amido/imidoalkyl) phenyl]-1,2,4-triazoles (5a-d) were obtained by treating m-(aralkyl amido/imidoalkyl) benzoic acid hydrazides (3a-d) with carbon disulphide in alcoholic KOH and hydrazine hydrate, respectively. These triazole derivatives were employed in the synthesis of 5-[(3′-aralkyl amido/imidoalkyl) phenyl]-1,2,4-triazolo[3,4-b]-1,3,4-thiadiazines (6a-d). The newly synthesized compounds were evaluated for their antiviral activity against two animal viruses, namely, Japanese encephalitis virus (JEV) strain P20778 and herpes simplex virus-1 (HSV-1) strain 753166.


2015 ◽  
Vol 11 ◽  
pp. 328-334 ◽  
Author(s):  
Roberto Romeo ◽  
Caterina Carnovale ◽  
Salvatore V Giofrè ◽  
Maria A Chiacchio ◽  
Adriana Garozzo ◽  
...  

A novel series of 2’-oxa-3’-aza-4’a-carbanucleosides, featured with a triazole linker at the 5’-position, has been developed by exploiting a click chemistry reaction of 5’-azido-2’-oxa-3’-aza-4’a-carbanucleosides with substituted alkynes. Biological tests indicate an antitumor activity for the synthesized compounds: most of them inhibit cell proliferation of Vero, BS-C-1, HEp-2, MDCK, and HFF cells with a CC50 in the range of 5.0–40 μM. The synthesized compounds do not show any antiviral activity.


2014 ◽  
Vol 79 (3) ◽  
pp. 283-289 ◽  
Author(s):  
Ramana Katla ◽  
Rasheed Syed ◽  
Madhava Golla ◽  
Adam Shaik ◽  
Raju Chamarthi

A series of novel urea and thiourea derivatives of valacyclovir were efficiently synthesized in high yields and evaluated their antiviral activity. 2-((6-Amino-4-oxo-4,5-dihydro-1H-imidazo[4,5-c]pyridin-1-yl)methoxy)ethyl-2-amino-3-ethylbutanoate (valacyclovir) 1 is reacted with various aromatic isocyanates/thiocyanates 2 in the presence of N, N- dimethyl piperazine as a base in THF: pyridine (4:1) to obtain valacyclovir urea/thiourea derivatives 3(a-j). The structures of the title compounds 3(a-j) were confirmed by IR, NMR (1H, 13C), mass spectral and elemental analysis. The newly synthesized compounds were screened for their antiviral activity against Tobacco mosaic virus (TMV) and antioxidant activity was evaluated by DPPH, SOD and GST methods. The title compounds exhibited potent antiviral and good antioxidant activities.


2019 ◽  
Vol 27 (11) ◽  
pp. 2181-2186 ◽  
Author(s):  
Yuki Okano ◽  
Noriko Saito-Tarashima ◽  
Madoka Kurosawa ◽  
Ai Iwabu ◽  
Masashi Ota ◽  
...  

MedChemComm ◽  
2017 ◽  
Vol 8 (7) ◽  
pp. 1505-1513 ◽  
Author(s):  
P. Rota ◽  
N. Papini ◽  
P. La Rocca ◽  
M. Montefiori ◽  
F. Cirillo ◽  
...  

Synthesis and biological evaluation of some C-5 modified sialic acid glycals, epimerized or not at the C-4 position, as HN inhibitors of Newcastle Disease Virus (NDV).


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