Compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein; each of R
1
to R
4
is independently selected from hydrogen and C
1-4
alkyl and each of rings A and B independently is optionally further substituted by up to three substituents, each of which is independently selected from the group consisting of halogen, hydroxy, C
1-4
alkoxy, C
1-4
alkyl, C
1-5
alkanoyl, CF
3
, CF
3
O and cyano; with the proviso that ring A must contain at least one CF
3
group, are useful in the treatment of diseases and conditions mediated by modulation of use-dependent voltage-gated sodium channels.
Succinoylamino hydroxyethylamino sulfonyl urea derivatives useful as retroviral protease inhibitors
申请人:G.D. Searle & Co.
公开号:US06337398B1
公开(公告)日:2002-01-08
Succinoylamino hydroxyethylamino sulfonyl urea derivatives of the formula:
wherein the substituents are as defined in the specification, are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.
The present invention is directed to a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.