The synthesis of novel, potent diol-based HIV-1 protease inhibitors, having either -SAr, -SCH(2)Ar, or -SCH(2)R groups as P1/P1' substituents is described. They can be prepared using a straightforward synthesis involving a thiol nucleophilic ring opening of a diepoxide. Inhibitor 13 was found to be a potent inhibitor of HIV-1 PR, showing good antiviral activity in a cell-based assay.
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Pentacycloundecane-diol-based HIV-1 protease inhibitors: biological screening, 2D NMR, and molecular simulation studies.
ChemMedChem
June 2012
School of Chemistry, University of KwaZulu-Natal, Durban 4001, South Africa.
Novel compounds incorporating a pentacycloundecane (PCU) diol moiety were designed, synthesized, and evaluated as inhibitors of the wild-type C-South African (C-SA) HIV-1 protease. Seven compounds are reported herein, three of which displayed IC(50) values in the 0.5-0.
View Article and Find Full Text PDFDesign and synthesis of novel P2 substituents in diol-based HIV protease inhibitors.
Eur J Med Chem
January 2010
Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden.
The synthesis and SAR of HIV-1 protease inhibitors containing novel P2 structural elements are presented. The inhibitors were designed having hydrogen bond accepting P2 substituents to probe potential favorable interactions to Asp-29/Asp-30 of the HIV-1 protease backbone utilizing inhibitor 3 as a model template. Several inhibitors were synthesized from an L-Val methyl amide P2 motif by appending hydrogen bonding moieties from either the isopropyl side-chain or from the methyl amide portion.
View Article and Find Full Text PDFSymmetric fluoro-substituted diol-based HIV protease inhibitors. Ortho-fluorinated and meta-fluorinated P1/P1'-benzyloxy side groups significantly improve the antiviral activity and preserve binding efficacy.
Eur J Biochem
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Department of Cell and Molecular Biology, BMC, Uppsala University, Sweden.
HIV-1 protease is a pivotal enzyme in the later stages of the viral life cycle which is responsible for the processing and maturation of the virus particle into an infectious virion. As such, HIV-1 protease has become an important target for the treatment of AIDS, and efficient drugs have been developed. However, negative side effects and fast emerging resistance to the current drugs have necessitated the development of novel chemical entities in order to exploit different pharmacokinetic properties as well as new interaction patterns.
View Article and Find Full Text PDFSynthesis of novel, potent, diol-based HIV-1 protease inhibitors via intermolecular pinacol homocoupling of (2S)-2-benzyloxymethyl-4-phenylbutanal.
J Med Chem
October 2001
Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden.
The synthesis of novel, potent, diol-based HIV-1 protease inhibitors, having phenethyl groups (-CH(2)CH(2)Ph) in P1/P1' position is described. An intermolecular pinacol homocoupling of (2S)-2-benzyloxymethyl-4-phenylbutanal 16 was the key step in the synthesis. From this reaction sequence four carba analogues, compounds 8a, 8b, 9a, and 9b, were prepared, having the inverted configuration of one or both of the stereogenic centers carrying the diol hydroxyls as compared to the parent series represented by inhibitors 6 and 7.
View Article and Find Full Text PDFSynthesis of potent C(2)-symmetric, diol-based hiv-1 protease inhibitors. Investigation of thioalkyl and thioaryl P1/P1' substituents.
J Med Chem
October 2001
Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden.
The synthesis of novel, potent diol-based HIV-1 protease inhibitors, having either -SAr, -SCH(2)Ar, or -SCH(2)R groups as P1/P1' substituents is described. They can be prepared using a straightforward synthesis involving a thiol nucleophilic ring opening of a diepoxide. Inhibitor 13 was found to be a potent inhibitor of HIV-1 PR, showing good antiviral activity in a cell-based assay.
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