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US 5,670,497 AGranted
Cyclic hydrazine compounds
AssigneeCiba-Geigy Corporation
InventorsGuido Bold, Shripad S. Bhagwat, Alexander Fassler, Marc Lang
Life of this patent
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Abstract
This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating vital infection.
Claims17
A compound of formula I ##STR41## wherein R.sub.1 is hydrogen or acyl,
- R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each independently of the others unsubstituted or substituted alkyl or alkenyl, and
- X together with the two bonds shown in the formula forms a bivalent radical selected from the group consisting of --(C.dbd.O)--, --(C.dbd.S)--, --(S.dbd.O)--, --(S(.dbd.O).sub.2)--, --(P.dbd.O)--, ##STR42## R.sub.6 being unsubstituted or substituted alkyl and R.sub.7 being hydrogen, unsubstituted or substituted alkyl, hydroxy, amino, alkyloxy, cyano or aryloxy,
- or a salt thereof.
Dependencies are inferred from the claim text.