PROCESS FOR PRODUCING NEW PYRIMIDO/5,4-B//1,H/OXAZINE DERIVATIVES

• Main Authors: DIESLER,ESZTER,HU, SEBESTYEN,LASZLO,HU, KASZTREINER,ENDRE,HU, TEGDES,ANIKO,HU, WELLMANN,JANOS,HU, SZAM,LASZLO,HU, VARRO,ANDRAS,HU, KUHARNE KUERTHY,MARIA,HU, MAKK,NANDOR,HU, CSEH,GYOERGY,HU, JASZLITS,LASZLO,HU, RABLOCKY,GYOERGY,HU, KINCSESSY,JUDIT,HU, VEGVARINE GYUERKI,SAROLTA,HU, MATYUS,PETER,HU
• Format: Patent
• Language: English
• Published: 28.07.1988
• Edition: 4
• 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

The invention relates to novel pyrimido [5,4-b][1,4]oxazine derivatives of the formula (I), and the acid addition salts thereof, pharmaceutical compositions containing them and a process for their preparation. In the formula (I) (I) wherein R1 stands for a C1-4 alkyl group; R2 stands for hydrogen or...