title: Regiospecific synthesis and anti-human immunodeficiency virus activity of novel 5-substituted N-alkylcarbamoyl and N,N-dialkylcarbamoyl 1,2,3-triazole-TSAO analogues.
abstract: Several 5-N-alkyl and 5-N,N-dialkylcarbamoyl substituted analogues of the anti-human immunodeficiency virus (HIV) type 1 lead compound [1-[2',5'-bis-O-(tert-butyldimethylsilyl)-beta-D-ribofuranosyl]-5- (N,N-dimethylcarbamoyl)-1,2,3-triazole]-3'-spiro-5"-(4"-amino-1",2"- oxathiole-2",2"-dioxide) have been prepared and evaluated as inhibitors of HIV-1 replication. A new regiospecific synthetic procedure is described. The compounds were prepared by cycloaddition of the appropriate glycosylazide to 2-oxoalkylidentriphenyl-phosphoranes, followed by treatment with primary or secondary amines, to yield, exclusively, 5-substituted 1,2,3-triazole-TSAO analogues. Several 5-substituted 1,2,3-triazole-TSAO derivatives proved to be potent inhibitors of HIV-1 replication with higher antiviral selectivity than that of the parent TSAO prototype.
authors.affiliation: Instituto de Química Médica (CSIC), Madrid, Spain.
authors.forename: S
authors.initials: S
authors.lastname: Velázquez
authors.forename: R
authors.initials: R
authors.lastname: Alvarez
authors.forename: C
authors.initials: C
authors.lastname: Pérez
authors.forename: F
authors.initials: F
authors.lastname: Gago
authors.forename: E
authors.initials: E
authors.lastname: De Clercq
authors.forename: J
authors.initials: J
authors.lastname: Balzarini
authors.forename: M J
authors.initials: MJ
authors.lastname: Camarasa
mesh_terms: D019380:Anti-HIV Agents / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D002460:Cell Line; D004353:Drug Evaluation, Preclinical; D054303:HIV Reverse Transcriptase / Q000037:antagonists & inhibitors*; D015497:HIV-1 / Q000187:drug effects* / Q000502:physiology; D008214:Lymphocytes / Q000821:virology; D008956:Models, Chemical; D015394:Molecular Structure; D011485:Protein Binding; D018894:Reverse Transcriptase Inhibitors / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D013141:Spiro Compounds / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D013329:Structure-Activity Relationship; D013936:Thymidine / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology; D014529:Uridine / Q000031:analogs & derivatives; D014779:Virus Replication / Q000187:drug effects*
chemical_list: D019380:Anti-HIV Agents; D018894:Reverse Transcriptase Inhibitors; D013141:Spiro Compounds; D054303:HIV Reverse Transcriptase; D013936:Thymidine; C075132:TSAO-T; D014529:Uridine