Rapid synthesis of 2′,3′-dideoxycytidine (ddC) from a simple achiral precursor
摘要:
The antiviral nucleoside analogue, 2',3'-dideoxycytidine (ddC) 1, has been synthesized in nine steps and good overall yield from crotonaldehyde 2 via the chiral epoxy alcohol 4 prepared by a Sharpless epoxidation.
The present invention relates to nucleoside diphosphate mimics and nucleoside triphosphate mimics, which contain diphosphate or triphosphate moiety mimics and optionally sugar-modifications and/or base-modifications. The nucleotide mimics of the present invention, in a form of a pharmaceutically acceptable salt, a pharmaceutically acceptable prodrug, or a pharmaceutical formulation, are useful as antiviral, antimicrobial, and anticancer agents. The present invention provides a method for the treatment of viral infections, microbial infections, and proliferative disorders. The present invention also relates to pharmaceutical compositions comprising the compounds of the present invention optionally in combination with other pharmaceutically active agents.
[EN] COMPOUNDS, PHARMACEUTICAL COMPOSITIONS AND USE THEREOF AS INHIBITORS OF RAN GTPASE<br/>[FR] COMPOSÉS, COMPOSITIONS PHARMACEUTIQUES ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE LA RAN GTPASE
申请人:THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING/MCGILL UNIV
公开号:WO2019046931A1
公开(公告)日:2019-03-14
Compounds of general formula IA, IB and IC outlined below, including pharmaceutically acceptable salts, solvates and hydrates thereof. Such compounds and pharmaceutical compositions comprising them may be used in medical conditions involving Ran GTPase.
Compounds of the formula I:
including any possible stereoisomers thereof, wherein:
R
4
is a monophosphate, diphosphate or triphosphate ester; or R
4
is
R
7
is optionally substituted phenyl, optionally substituted naphthyl, or optionally substituted indolyl;
R
8
and R
8′
are hydrogen, C
1
-C
6
alkyl, benzyl, or phenyl; or R
8
and R
8′
form C
3
-C
7
cycloalkyl;
R
9
is C
1
-C
10
alkyl, C
3
-C
7
cycloalkyl, phenyl or phenyl-C
1
-C
6
alkyl, wherein the phenyl moiety in phenyl or phenyl-C
1
-C
6
alkyl is optionally substituted;
or a pharmaceutically acceptable salt or solvate thereof;
pharmaceutical formulations and the use of compounds I as HCV inhibitors.
OLIGOMERIC COMPOUNDS COMPRISING 4'-THIONUCLEOSIDES FOR USE IN GENE MODULATION
申请人:Bhat Balkrishen
公开号:US20100324277A1
公开(公告)日:2010-12-23
The present invention provides modified oligomeric compounds and compositions of oligomeric compounds for use in the RNA interference pathway of gene modulation. The modified oligomeric compounds include siRNA and asRNA having at least one affinity modification.