Inventors:
Ronnie R. Crenshaw - Dewitt NY
Aldo A. Algieri - Fayetteville NY
Assignee:
Bristol-Myers Company - New York NY
International Classification:
C07D28510
Abstract:
Histamine H. sub. 2 -antagonists of the formula ##STR1## wherein p is 1 or 2; R. sup. 1 is hydroxy, amino, substituted amino or a 5- to 9-membered fully saturated nitrogen-containing heterocyclic ring attached via its nitrogen atom; m is an integer of from 0 to 2; n is an integer of from 2 to 4; Z is sulfur, oxygen or methylene; and A is an optionally substituted phenyl, imidazolyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl, triazolyl, thiadiazolyl, oxadiazolyl, furyl, thienyl or pyridyl ring; and nontoxic pharmaceutically acceptable salts, hydrates, solvates or N-oxides thereof are novel anti-ulcer agents. Intermediates and processes for their preparation are disclosed.