2'-AZIDO SUBSTITUTED NUCLEOSIDE DERIVATIVES AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES
申请人:Girijavallabhan Vinay
公开号:US20140206640A1
公开(公告)日:2014-07-24
The present invention relates to 2′-Azido Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R
1
, R
2
and R
3
are as defined herein. The present invention also relates to compositions comprising at least one 2′-Azido Substituted Nucleoside Derivative, and methods of using the 2′-Azido Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
[EN] 2'-METHYL SUBSTITUTED NUCLEOSIDE DERIVATIVES AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES<br/>[FR] DÉRIVÉS DE NUCLÉOSIDES 2'-MÉTHYLE SUBSTITUÉS ET LEURS PROCÉDÉS D'UTILISATION DANS LE TRAITEMENT DE MALADIES VIRALES
申请人:MERCK SHARP & DOHME
公开号:WO2014062596A1
公开(公告)日:2014-04-24
The present invention relates to 2'-Methyl Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R, R1, R2 and R3, are as defined herein. The present invention also relates to compositions comprising at least one 2'-Methyl Substituted Nucleoside Derivative, and methods of using the 2'-Methyl Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
2'-CYANO SUBSTITUTED NUCLEOSIDE DERIVATIVES AND METHODS OF USE THEREOF USEFUL FOR THE TREATMENT OF VIRAL DISEASES
申请人:Girijavallabhan Vinay
公开号:US20140161770A1
公开(公告)日:2014-06-12
The present invention relates to 2′-Cyano Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R
1
, R
2
and R
3
are as defined herein. The present invention also relates to compositions comprising at least one 2′-Cyano Substituted Nucleoside Derivative, and methods of using the 2′-Cyano Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
Regioselective Carbonylation of <i>trans</i>-Disubstituted Epoxides to β-Lactones: A Viable Entry into <i>syn</i>-Aldol-Type Products
作者:Michael Mulzer、Bryan T. Whiting、Geoffrey W. Coates
DOI:10.1021/ja405151n
日期:2013.7.31
reported for the regioselective carbonylation of trans-disubstituted epoxides to cis-β-lactones. The two catalysts display high and opposing selectivities, which generally are difficult to achieve for this class of epoxides. The resulting β-lactones are well-defined precursors for a wide variety of aldol-type compounds. Altogether, carbonylation of disubstituted epoxides is established as a viable and
ABSTRACT Novel 2′-modified guanosine nucleosides were synthesized from inexpensive starting materials in 7–10 steps via hydroazidation or hydrocyanation reactions of the corresponding 2′-olefin. The antiviral effectiveness of the guanosine nucleosides was evaluated by converting them to the corresponding 5′-O-triphosphates (compounds 38–44) and testing their biochemical inhibitory activity against