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US 5,861,517 AGranted
2-thioxo-imidazolidin-4-one derivatives
AssigneeAmerican Home Products Corporation
InventorsHassan M. Elokdah, Sie-Yearl Chai, Theodore S. Sulkowski, Donald P. Strike
Life of this patent
Estimating the term…
Abstract
The compound of formula I: ##STR1## in which R.sup.1 is alkyl or alkenyl; R.sup.2 is alkyl and R.sup.3 and R.sup.4 are, independently, hydrogen or alkyl; or R.sup.2 is hydrogen and R.sup.3 and R.sup.4 taken together are ortho substituted trimethylene or tetramethylene are useful for increasing blood serum HDL levels.
Claims16
A compound of formula I:
- ##STR9## in which R.sup.1 is alkyl of 1 to 6 carbon atoms or alkenyl of 2 to 6 carbon atoms;
- R.sup.2 is alkyl of 1 to 6 carbon atoms and R.sup.3 and R.sup.4 are, independently, hydrogen or alkyl of 1 to 6 carbon atoms;
- or R.sup.2 is hydrogen and R.sup.3 and R.sup.4 taken together are ortho substituted trimethylene or tetramethylene.
Dependencies are inferred from the claim text.