US 7,842,838 B2Granted

Pyrro[1,2-b]pyridazinone intermediates

AssigneeAnadys Pharmaceuticals, Inc.

InventorsStephen E. Webber, Frank Ruebsam, Martin Tran, Peter Dragovich, Liansheng Li, Douglas Eric Murphy, David Kucera, Zhongxiang Sun, Chinh Viet Tran

Life of this patent

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Abstract

The invention is directed to pyrro[1,2-b]pyridazinone compounds and pharmaceutical compositions containing such compounds that are useful in treating infections by hepatitis C virus.

Claims4

Dependent claims

A compound selected from:

and tautomers thereof.

Dependencies are inferred from the claim text.

Facts

Application: 12/545,547Filed 21 Aug 2009 · division
Priority: 22 Jun 2006
Published: US 2009/0105473 A117 Dec 2009
Granted: 30 Nov 2010
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

C07D 487/04
In which the condensed system contains two hetero rings: ortho-condensed systems
A61P 1/16
Drugs for disorders of the alimentary tract or the digestive system: for liver or gallbladder disorders, e.g. hepatoprotective agents,…
A61P 31/00
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
A61P 31/12
Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics: antivirals

Family

Application60/815,578Us provisional application · filed 22 Jun 2006
Application11/766,697Parent of this division · filed 21 Jun 2007
Application12/266,190Parent of this division · filed 6 Nov 2008
US 2009/0312570 A1Pre-grant publication · published 17 Dec 2009
US 7,582,754 B2Parent of this division
US 7,462,611 B2Parent of this division
US 2008/0031852 A1Published application
US 2009/0105473 A1Published application
US 7,842,838 B2This patent

From the US filing history. Foreign family members aren’t listed.

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