METHOD OF PRODUCING 1,3,4-THIADIAZOLO (3,2-A)PYRIMIDINE-5-ON DERIVATIVES OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

METHOD OF PRODUCING 1,3,4-THIADIAZOLO (3,2-A)PYRIMIDINE-5-ON DERIVATIVES OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

Compounds of the formula (I) (1) wherein R1 is (a) hydrogen or halogen; (b) a C1-C6 alkyl group, unsubstituted or substituted by C1-C4 alkoxy or by halogen; (c) a phenyl ring unsubstituted or substituted by a group chosen from halogen, C1-C4 alkyl and C1-C4 alkoxy; (d) a C1-C6 alkylthio group; R2 is...

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Hauptverfasser: KARLO PASSAROTTI,IT, ADA BUTTINONI,IT, DZHANFEDERIKO DORIA,IT
Format: Patent
Sprache:eng ; rus
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Zusammenfassung:Compounds of the formula (I) (1) wherein R1 is (a) hydrogen or halogen; (b) a C1-C6 alkyl group, unsubstituted or substituted by C1-C4 alkoxy or by halogen; (c) a phenyl ring unsubstituted or substituted by a group chosen from halogen, C1-C4 alkyl and C1-C4 alkoxy; (d) a C1-C6 alkylthio group; R2 is hydrogen or halogen; R3 is 2-pyridyl, 3-pyridyl or 4-pyridyl, wherein each pyridyl group is unsubstituted or substituted by C1-C4 alkyl; and the pharmaceutically acceptable salts thereof. The compounds possess anti-ulcerogenic and gastric anti-secretory activity.