New 3-(substituted tetrazolyl)-4-oxo-4H-pyrido-{1,2-a}pyrimidines, salts thereof, pharmaceutical compositions containing them and process for preparing same

• Main Authors: ISTVAN HERMECZ, KLARA GYIRES, AGNES HORVATH, LASZLO TARDOS, LELLE VASVARI, ZOLTAN KAPUI, MARIA BALOGH, ILONA PAPP, JUDIT SIPOS, JOZSEF KNOLL
• Format: Patent
• Language: English
• Published: 26.10.1995
• Edition: 5
• Subjects: 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

PCT No. PCT/HU92/00031 Sec. 371 Date Feb. 10, 1994 Sec. 102(e) Date Feb. 10, 1994 PCT Filed Aug. 13, 1992 PCT Pub. No. WO93/04065 PCT Pub. Date Mar. 4, 1993.4-oxo-4H-pyrido[1,2-a]-pyrimidines are disclosed of the formula (I) and/or (II) wherein R is a C1-6alkyl, C3-6alkenyl, C3-6alkynyl, C3-7 cycloa...