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Synthesis of 5'-triphosphate mimics (P3Ms) of 3'-azido-3',5'-dideoxythymidine and 3',5'-dideoxy-5'-difluoromethylenethymidine as HIV-1 reverse transcriptase inhibitors. 2005

Vivek K Rajwanshi, and Marija Prhavc, and Patrick Fagan, and Jennifer L Brooks, and Tiffany Hurd, and P Dan Cook, and Guangyi Wang
Research Laboratories, Biota, Inc., 2232 Rutherford Road, Carlsbad, CA 92008, USA.

3'-Azido-3',5-dideoxythymidine 5'-phosphonate and 3',5'-dideoxy-5'-difluoromethylenethymidine 5'-phosphonate were prepared by multistep syntheses. The nucleoside 5'-phosphonates were converted to their triphosphates and triphosphate mimics (P3Ms) containing beta,gamma-difluoromethylene, beta,gamma-dichloromethylene, or beta,gamma-imodo by condensation with pyrophosphate or pyrophosphate mimics, respectively. Inhibition of HIV-1 reverse transcriptase by the nucleoside P3Ms is briefly discussed.

UI MeSH Term Description Entries
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D013936 Thymidine A nucleoside in which THYMINE is linked to DEOXYRIBOSE. 2'-Deoxythymidine,Deoxythymidine,2' Deoxythymidine
D013942 Thymine Nucleotides Phosphate esters of THYMIDINE in N-glycosidic linkage with ribose or deoxyribose, as occurs in nucleic acids. (From Dorland, 28th ed, p1154) Thymidine Phosphates,Nucleotides, Thymine,Phosphates, Thymidine
D015215 Zidovudine A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by an azido group. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA during reverse transcription. It improves immunologic function, partially reverses the HIV-induced neurological dysfunction, and improves certain other clinical abnormalities associated with AIDS. Its principal toxic effect is dose-dependent suppression of bone marrow, resulting in anemia and leukopenia. AZT (Antiviral),Azidothymidine,3'-Azido-2',3'-Dideoxythymidine,3'-Azido-3'-deoxythymidine,AZT Antiviral,AZT, Antiviral,BW A509U,BWA-509U,Retrovir,3' Azido 2',3' Dideoxythymidine,3' Azido 3' deoxythymidine,Antiviral AZT,BWA 509U,BWA509U
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D054303 HIV Reverse Transcriptase A reverse transcriptase encoded by the POL GENE of HIV. It is a heterodimer of 66 kDa and 51 kDa subunits that are derived from a common precursor protein. The heterodimer also includes an RNAse H activity (RIBONUCLEASE H, HUMAN IMMUNODEFICIENCY VIRUS) that plays an essential role the viral replication process. Reverse Transcriptase, HIV,Reverse Transcriptase, Human Immunodeficiency Virus,Transcriptase, HIV Reverse
D054306 Dideoxynucleotides The phosphate esters of DIDEOXYNUCLEOSIDES. Dideoxynucleotide Triphosphates,ddNTPs,Triphosphates, Dideoxynucleotide
D018716 Molecular Mimicry The structure of one molecule that imitates or simulates the structure of a different molecule. Antigenic Mimicry,DNA Mimicry,Mimicry, Molecular,Antigen Mimicry,Antigen Mimicries,Antigenic Mimicries,DNA Mimicries,Mimicries, Antigen,Mimicries, Antigenic,Mimicries, DNA,Mimicries, Molecular,Mimicry, Antigen,Mimicry, Antigenic,Mimicry, DNA,Molecular Mimicries
D018894 Reverse Transcriptase Inhibitors Inhibitors of reverse transcriptase (RNA-DIRECTED DNA POLYMERASE), an enzyme that synthesizes DNA on an RNA template. Reverse Transcriptase Inhibitor,Inhibitors, Reverse Transcriptase,Inhibitor, Reverse Transcriptase,Transcriptase Inhibitor, Reverse

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