William H. Rorer, Inc.

Rorer Pharmaceutical Corporation

Harry K Zimmerman

William L Studt

George H Douglas

Stuart A Dodson

James Barnes

Heterocyclic amidino substituted ureas and their pharmaceutical uses

This invention relates to a novel class of heterocyclic amidinourea and heterocyclic amidinothiourea compounds wherein the heterocyclic substitution is at the 1-N urea nitrogen atom. These compounds exhibit pharmaceutical activity and may be incorporated into pharmaceutical preparations for producing anti-ulcerogenic, antisecretory, antispasmodic, antimotility, cardiovascular, antidiarrheal or antiparasitic action.

Heterocyclic amidinoureas

Methods for the treatment of physiological disorders, including protozoal infections in mammalian and avian species and gastrointestinal and cardiovascular disorders in mammalian species by administering a class of aralkyl- and aralkenyl-acyl, and thioacyl, guanidine compounds, pharmaceutical compositions containing such compounds for systemic administration, and a class of novel aralkenyl-, aryl-substituted cycloalkyl-, and arylsubstituted heterocycle-acyl and thioacyl guanidines.

Method of treating coccidiosis with acyl guanidines

1-Acyl-3-pyridyl guanidine and 1-acyl-3-pyridylalkyl guanidine compounds, methods for the treatment of blood pressure disorders, including hypertension, in humans and other mammals.

1-Pyridylmethyl-3-acyl guanidines

This invention relates to a novel class of amidinourea and amidinothiourea compounds wherein the urea nitrogen atom is substituted by a heterocyclic alkylene group, and their use in pharmaceutical preparations which are useful for producing anti-ulcerogenic, antisecretory, antispasmodic, antihypertensive, anesthetic, anti-arrhythmic, antidiarrheal and antiparasitic action.

Pyridyl alkylene amidinoureas

This invention relates to a novel class of heterocyclic amidinourea and heterocylic amidinothiourea compounds wherein the heterocyclic substitution is at the 1-N urea nitrogen atom. These compounds exhibit pharmaceutical activity and may be incorporated into pharmaceutical preparations for producing anti-ulcerogenic, antisecretory, antispasmodic, antimotility, cardiovascular, antidiarrheal or antiparasitic action.

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Quakertown, PA, United States of America

Harry K Zimmerman