IP Library Granted Patent US 10,683,320
Granted Patent B2
US 10,683,320 · App. 16/203,409 · Granted Jun 16, 2020

Substituted nucleosides, nucleotides and analogs thereof

Inventors: Leonid Beigelman (San Mateo, CA); Guangyi Wang (Carlsbad, CA); David Bernard Smith (San Mateo, CA)
Assignee: Janssen BioPharma, Inc.
C07H19/10A61P31/14C07H19/06C07H19/16C07H19/173C07H19/20C07H19/207C07H19/213
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Quick Facts
Patent No.
US 10,683,320
App. No.
16/203,409
Granted
Jun 16, 2020
Kind
B2
Abstract

Disclosed herein are nucleotide analogs, methods of synthesizing nucleotide analogs and methods of treating diseases and/or conditions such as a HCV infection with one or more nucleotide analogs.

Claims (8)

1. A method of making a compound of Formula 3i, or a pharmaceutically acceptable salt thereof:

comprising reacting the compound of Formula 3-1i with the corresponding phosphorochloridate reagent P-2i to form the compound of Formula 3-2i; and

reducing the compound of Formula 3-2i;

wherein R is selected from the group consisting of isopropyl, neopentyl and cyclohexyl.

2. The method of claim 1 , wherein reducing the compound of Formula 3-2i comprises combining the compound of Formula 3-2i with 10% Pd/C in a H2 atmosphere.

3. The method of claim 1 , wherein the compound of Formula 3i is

4. The method of claim 1 , wherein the compound of Formula 3i is

5. The method of claim 1 , wherein the compound of Formula 3i is

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 28, 2020
From: BEIGELMAN, LEONID; WANG, GUANGYI; SMITH, DAVID BERNARD
To: ALIOS BIOPHARMA, INC.
Reel/Frame 052515/0046 →
CHANGE OF NAME Recorded Apr 28, 2020
From: ALIOS BIOPHARMA, INC.
To: JANSSEN BIOPHARMA, INC.
Reel/Frame 052519/0179 →
Continuity (6)
Continuation 15256345 · Sep 2, 2016
Continuation 14836822 · Aug 26, 2015
Continuation 14135488 · Dec 19, 2013
Provisional Application 61890125 · Oct 11, 2013
Provisional Application 61745466 · Dec 21, 2012
Related Publication 20190085011A1 · Mar 21, 2019