Synthesis of the Novel Phosphoramidate Derivatives of Chrysin
摘要:
A novel type of phosphoramidate derivatives of chrysin were synthesized by a facile phosphorylation reaction. The structures of all the newly synthesized chrysin derivatives were confirmed by ESI MS, HR MS, NMR, and IR.
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.
DIOXOLANE THYMINE PHOSPHORAMIDATES AS ANTI-HIV AGENTS
申请人:SOFIA MICHAEL JOSEPH
公开号:US20090099136A1
公开(公告)日:2009-04-16
Disclosed are dioxolane thymine phosphoramidate compounds, compositions, and methods for using dioxolane thymine phosphoramidate compounds and compositions to treat viral infections, such as HIV infections.
A Phosphoramidate Strategy Enables Membrane Permeability of a Non-nucleotide Inhibitor of the Prolyl Isomerase Pin1
作者:Daniel M. C. Schwarz、Sarah K. Williams、Maxwell Dillenburg、Carston R. Wagner、Jason E. Gestwicki
DOI:10.1021/acsmedchemlett.0c00170
日期:2020.9.10
The membrane permeability of nucleotide-based drugs, such as sofosbuvir (Sovaldi), requires installation of phosphate-caging groups. One strategy, termed "ProTide", masks the anionic phosphate through an N-linked amino ester and an O-linked aromatic phospho-ester, such that release of the active drug requires consecutive enzymatic liberation by an esterase and then a phosphoramidase, such as Hint1. Because Hint1 is known to be selective for nucleotides, it was not clear if the ProTide approach could be deployed for non-nucleotides. Here, we demonstrate that caging of a phosphate-containing inhibitor of the prolyl isomerase Pin1 increases its permeability. Moreover, this compound was processed by both esterase and phosphoramidase activity, releasing the active molecule to bind and inhibit Pin1 in cells. Thus, Hint1 appears to recognize a broader set of substrates than previously appreciated. It seems possible that other potent, but impermeable, phosphate-containing inhibitors might likewise benefit from this approach.