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National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.01 seconds. 
New amphiphilic prodrugs of adefovir and cidofovir
 Tichý, Tomáš ; Andrei, G. ; Dračínský, Martin ; Holý, Antonín ; Balzarini, J. ; Snoeck, R. ; Krečmerová, Marcela
New adefovir (PMEA) prodrugs with a pro-moiety consisting of decyl(oxyethyl) chain bearing hydroxyl function(s), hexaethyleneglycol or a (5-methyl-2-oxo-1,3-dioxolen-4-yl)methyl unit were prepared from the tetrabutylammonium salt of the phosphonate drug and an appropriate alkyl bromide or tosylate. Analogously, two esters of Cidofovir [(S)-HPMPC] bearing a hexaethyleneglycol moiety were prepared. The antiviral activity of the prodrugs was evaluated in vitro. A loss in the antiviral activities of the hydroxylated decyl(oxyethyl) esters and hexaethyleneglycol esters of PMEA against HIV and herpesviruses. (S)-HPMPC prodrugs exhibited anticytomegalovirus activities in the same range as the parent drug, whereas the anti-HSV and anti-VZV activities were one- to seven-fold lower than that of Cidofovir.
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Acyklické nukleosidfosfonáty obsahující O-substituované hydroxypyridinaminy a diaminy jako nukleobase
 Otmar, Miroslav ; Masojídková, Milena ; Holý, Antonín
Congeners of the PMEO class of acyclic nucleoside phosphonates containing pyridine instead of pyrimidine ring were synthesized.
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Syntéza N4-substituovaných derivátů 1-[(S)-3-hydroxy-2-(phosphonomethoxy)propyl]cytosinu (HPMPC, Cidofovir, Vistide)
 Chalupová, Šárka ; Holý, Antonín
1-[(S)-3-hydroxy-2-(phosphonomethoxy)propyl]cytosine (HPMPC, Cidofovir) has a broad activity spectrum against DNA viruses. As the systemic drug VireadTM is used for treatment of cytomegalovirus retinitis in AIDS patients. Based on this unique profile of HPMPC we have investigated the effect of the substitution of the amino function at the position 4 upon the antiviral activity.
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National Repository of Grey Literature : 13 records found   previous11 - 13  jump to record:
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