Non-nucleoside reverse transcriptase inhibitors

Details Non-nucleoside reverse transcriptase inhibitors Non-nucleoside reverse transcriptase inhibitors

2006-09-29

2009-12-01

Balasubramanian, Venkataraman (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

C544S182000

Reexamination Certificate

active

07625897

ABSTRACT:
The present invention provides compounds of formula I where R1to R4are as defined herein which are useful for treating or preventing an human immunodeficiency virus (HIV) infection, or treating AIDS or ARC. The invention further provides for methods of treating or preventing HIV infection with compounds according to formula I and compositions containing the same. The invention still further provides process for the preparation of compounds of formula I wherein R4is A1and X1is NH or O.

REFERENCES:
patent: 5886178 (1999-03-01), Allen
patent: 2005/0215554 (2005-09-01), Dunn
patent: WO 97/02024 (1997-01-01), None
patent: WO 2004/085406 (2004-10-01), None
Arnold, Current Opinion in Structural Biology, 14, 716-730, 2004.

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