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US 5,294,708 AGranted
Guanidine derivatives
AssigneeMcNeilab, Inc.
InventorsHenry J. Breslin, Michael J. Kukla, Chris R. Rasmussen, Robert W. Tuman
Life of this patent
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Abstract
This invention relates to new heterocyclic derivatives of guanidine and more particularly to such derivatives which have hypoglycemic activity, their methods of use for treating hyperglycemia and novel intermediate compounds for their preparation.
Claims3
A compound selected from the group consisting of the formulae:
- ##STR6## wherein:
- R is selected from the group consisting of H, alkyl (C.sub.1 -C.sub.8), branched alkyl (C.sub.3 -C.sub.5), cycloalkyl (C.sub.3 -C.sub.7), aryl and aralkyl wherein the aryl portion is phenyl or naphthyl and the alkyl portion is C.sub.1 -C.sub.5 ;
- R.sub.3 is selected from the group consisting of alkyl (C.sub.1 -C.sub.5), alkoxy (C.sub.1 -C.sub.4) and halogen;
- and
- R.sub.4 and R.sub.5 are independently selected from the group consisting of alkyl (C.sub.1 -C.sub.5), branched alkyl (C.sub.3 -C.sub.5), cyclohexyl, cyclopentyl or R.sub.4 R.sub.5 N may be taken together to form a heterocyclic ring containing 3-5 carbon atoms or said ring additionally contains one or more heteroatoms such as O, or S to form a heterocyclic ring selected from the group consisting of piperidino, morpholino, pyrrolidino and thiamorpholino;
- and
- pharmaceutically acceptable salts thereof.
4 more elements
Dependencies are inferred from the claim text.