The present invention relates to a method of treating an HIV-I infection with a compound according to formula I where R
1
, R
2
, R
3
, R
4
, R
5
, are as defined herein.
The present invention provides for compounds useful for treating an HIV infection, or preventing an HIV infection, or treating AIDS or ARC. The compounds of the invention are of formula I wherein A is A2 and R
1
, R
2
, R
3
, R
4a
, R
4b
, R
5
, R
6
, Ar, X
1
, X
2
, X
4
, X
4
and X
5
are as herein defined. Also disclosed in the present invention are methods of treating an HIV infection with compounds defined herein and pharmaceutical compositions containing said compounds.
This invention relates to novel pyridazinone derivatives of formula I wherein R
1
-R
4
, R
7
, R
8
and X
1
are as defined in the summary and pharmaceutically acceptable salts and solvates thereof, methods to inhibit or modulate Human Immunodeficiency Virus (HIV) reverse transcriptase with compounds of formula I, pharmaceutical compositions containing of formula I admixed with at least one solvent, carrier or excipient and processes to prepare compounds of formula I. The compounds are useful for treating disorders in which HIV and genetically related viruses are implicated
1