Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Hai Ren Zhang"'
Autor:
Haiying Bao, Angela M. Lam, Shalini Bansal, Byoung-Kwon Chun, Michael J. Sofia, Holly M. Micolochick Steuer, Jinfa Du, Ying Jiang, Donghui Bao, Eisuke Murakami, Bruce S. Ross, Christine Espiritu, Michael J. Otto, Phillip A. Furman, Hai-Ren Zhang, P. Ganapati Reddy, Congrong Niu
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 22:5924-5929
The 3',5'-cyclic phosphate prodrug 9-[β-d-2'-deoxy-2'-α-fluoro-2'-β-C-methylribofuranosyl]-2-amino-6-ethoxypurine, PSI-352938 1, has demonstrated promising anti-HCV efficacy in vitro and in human clinical trials. A structure-activity relationship
Autor:
P. Ganapati Reddy, Darius Babusis, Angela M. Lam, Piyun B. Chao, Hai-Ren Zhang, Shalini Bansal, Yeojin Park, Phillip A. Furman, Eisuke Murakami, Wonsuk Chang, Congrong Niu, Haiying Bao, Michael J. Otto, Joseph Woolley, Adrian S. Ray, Li-Quan Wang, Tatiana Tolstykh, Jinfa Du, Michael J. Sofia
Publikováno v:
Antimicrobial Agents and Chemotherapy. 56:3767-3775
PSI-352938 is a novel cyclic phosphate prodrug of β- d -2′-deoxy-2′-α-fluoro-2′-β- C -methylguanosine-5′-monophosphate with potent anti-HCV activity. In order to inhibit the NS5B RNA-dependent RNA polymerase, PSI-352938 must be metabolized
Publikováno v:
The Journal of Organic Chemistry. 76:8311-8319
Prodrugs of therapeutic nucleoside monophosphates masked as phosphoramidate derivatives have become an increasingly important class of antiviral drugs in pharmaceutical research for delivering nucleotides in vitro and in vivo. Conventionally, phospho
Autor:
Holly M. Micolochick Steuer, Donghui Bao, Wonsuk Chang, Bruce S. Ross, Angela M. Lam, Shalini Bansal, Dhanapalan Nagarathnam, Michael J. Otto, P. Ganapati Reddy, Meg Keilman, Byoung-Kwon Chun, Congrong Niu, Hai-Ren Zhang, Rachakonda Suguna, Christine Espiritu, Phillip A. Furman, Jinfa Du, Michael J. Sofia
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 20:7376-7380
A series of novel 2'-deoxy-2'-α-fluoro-2'-β-C-methyl 3',5'-cyclic phosphate nucleotide prodrug analogs were synthesized and evaluated for their in vitro anti-HCV activity and safety. These prodrugs demonstrated a 10-100-fold greater potency than th
Autor:
Jinfa Du, Angela M. Lam, Shalini Bansal, Rachakonda Suguna, Congrong Niu, Meg Keilman, Michael J. Otto, Donghui Bao, Bruce S. Ross, Peiyuan Wang, Dhanapalan Nagarathnam, Wonsuk Chang, Holly M. Micolochick Steuer, Michael J. Sofia, Hai-Ren Zhang, Phillip A. Furman, P. Ganapati Reddy, Christine Espiritu
Publikováno v:
Journal of Medicinal Chemistry. 53:7202-7218
Hepatitis C virus (HCV) is a global health problem requiring novel approaches for effective treatment of this disease. The HCV NS5B polymerase has been demonstrated to be a viable target for the development of HCV therapies. β-d-2'-Deoxy-2'-α-fluor
Publikováno v:
The Journal of Organic Chemistry. 65:7977-7983
Treatment of 2-(1-alkynyl)phenyl isocyanates 6 with the iminophosphorane 14 produced in situ the benzoenynyl carbodiimides 15. Thermolysis of 15 under refluxing p-xylene furnished the 6H-indolo[2,3-b][1,6]naphthyridines 5, which could be regarded as
Autor:
Kung K. Wang, Hai-Ren Zhang
Publikováno v:
The Journal of Organic Chemistry. 64:7996-7999
The C44H26 hydrocarbon 20 was synthesized in 13% overall yield in eight steps from acenaphthenequinone (6) and 2 equiv of 1-(2-ethynylphenyl)-2-phenylethyne. Condensation of the monoketal 7 with the lithium acetylide 8 afforded the benzoenediynyl pro
Publikováno v:
The Journal of Organic Chemistry. 64:1650-1656
Thermolysis of the benzoenyne-allene 20 in 1,4-cyclohexadiene (1,4-CHD) at 75 degrees C produced the cycloaromatized adduct 23 in 22% yield. The reaction presumably proceeds through a cascade sequence involving an initial Myers cyclization reaction t
Autor:
Ying Jiang, Jinfa Du, Hai-Ren Zhang, Christine Espiritu, Michael J. Sofia, Meg Keilman, Byoung-Kwon Chun, Phillip A. Furman, Wonsuk Chang, Donghui Bao, Bruce S. Ross, Holly M. Micolochick Steuer
Publikováno v:
Nucleosides, nucleotidesnucleic acids. 30(11)
In order to support bioanalytical LC/MS method development and plasma sample analysis in preclinical and clinical studies of the anti-hepatitis C-virus nucleotides, PSI-7977 and PSI-352938, the corresponding stable isotope labeled forms were prepared
Autor:
Michael J. Sofia, Rachakonda Suguna, P. Ganapati Reddy, Byoung-Kwon Chun, Hai-Ren Zhang, Bruce S. Ross
Publikováno v:
The Journal of organic chemistry. 76(10)
PSI-352938 is a novel 2'-deoxy-2'-α-fluoro-2'-β-C-methyl 3',5'-cyclic phosphate nucleotide prodrug currently under investigation for the treatment of hepatitis C virus (HCV) infection. PSI-352938 demonstrated superior characteristics in vitro that