Adenine and Deazaadenine Nucleoside and Deoxynucleoside Analogues: Inhibition of Viral Replication of Sheep MVV (In Vitro Model for HIV) and Bovine BHV-1
摘要:
A series of N-6-cycloalkyl-2',3'-dideoxyadenosine derivatives has been prepared by coupling of 2,6-dichloropurine to protected 2,3-dideoxyribose. followed by reaction with appropriate cycloalkylamines. Synthesized compounds, along with other purine nucleoside analogues previously synthesized in our laboratory. have been tested for their antiviral activity against Bovine herpesvirus 1 (BHV-1) and sheep Maedi/Visna Virus (MVV). the latter being an in vitro and in vivo model of Human Immunodeficiency Virus (HIV). All compounds showed good antireplicative activity against MVV. with the N-6-cycloheptyl-2'.3-dideoxy-adenosine (5b) being the most active [effective concentration (EC50) causing 50% reduction of cytopatic effects (CP) = 27 nM]. All compounds showed also a from tow to very low cell toxicity. resulting in a cytotoxic dose 50 (CD50)/EC50 ratio in some cases higher than 1000. (C) 2002 Elsevier Science Ltd. All rights reserved.
Adenine and Deazaadenine Nucleoside and Deoxynucleoside Analogues: Inhibition of Viral Replication of Sheep MVV (In Vitro Model for HIV) and Bovine BHV-1
摘要:
A series of N-6-cycloalkyl-2',3'-dideoxyadenosine derivatives has been prepared by coupling of 2,6-dichloropurine to protected 2,3-dideoxyribose. followed by reaction with appropriate cycloalkylamines. Synthesized compounds, along with other purine nucleoside analogues previously synthesized in our laboratory. have been tested for their antiviral activity against Bovine herpesvirus 1 (BHV-1) and sheep Maedi/Visna Virus (MVV). the latter being an in vitro and in vivo model of Human Immunodeficiency Virus (HIV). All compounds showed good antireplicative activity against MVV. with the N-6-cycloheptyl-2'.3-dideoxy-adenosine (5b) being the most active [effective concentration (EC50) causing 50% reduction of cytopatic effects (CP) = 27 nM]. All compounds showed also a from tow to very low cell toxicity. resulting in a cytotoxic dose 50 (CD50)/EC50 ratio in some cases higher than 1000. (C) 2002 Elsevier Science Ltd. All rights reserved.
N-6-Cycloalkyl-2',3'-dideoxyadenosine derivatives and (2-chloro)-N-6-cycloheptyl-3-deazaadenosine have been synthesized and tested, along with other (deaza)purine (deoxy)nucleosides from our chemical library, as inhibitors of virus replication against Bovine Herpes Virus 1 (BHV-1) and sheep Maedi/Visna Virus (MVV). Most compounds demonstrated good antireplicative activity against MVV, showing also low cell toxicity.