Chemical compounds
AssigneeBristol-Myers Company
InventorsRonnie R. Crenshaw, Aldo A. Algieri
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AssigneeBristol-Myers Company
InventorsRonnie R. Crenshaw, Aldo A. Algieri
Estimating the term…
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.
A compound of the formula ##STR60## wherein p is 1 or 2;
3-Amino-4-{2-[(2-guanidi nothiazol-4-yl)methylthio]ethylamino}-1,2,5-thiadiazole 1-oxide or a nontoxic pharmaceutically acceptable salt, hydrate, solvate or N-oxide thereof.
3-Ami no-4-{2-[(2-guanidinothiazol-4-yl)methylthio]ethylamino}-2-1,2,5-thiadiazol e 1-oxide monohydrate.
3-Amino-4-{2-[(2-g uanidinothiazol-4-yl)methylthio]ethylamino}-1,2,5-thiadiazole 1-oxide hydrochloride.
Dependencies are inferred from the claim text.