THIAZINE (OR OXAZINE) DERIVATIVES AND PREPARATION THEREOF

• Main Authors: KUDO, YUKITSUKA, OZEKI, MASAKATSU, YASUDA, KOUSUKE, KODATO, SHIN-ICHI, MAEDA, KAYOKO
• Format: Patent
• Language: English; French
• Published: 09.08.1991
• 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

Thiazine (or oxazine) derivatives of the formula ¢I!: ¢I! wherein R1 and R2 are both H or form a naphthalene ring together with the benzene ring; R3 and R4 are both H, or one of them is halogen and another is H; X is S or O; R5 and R6 are each i) H, ii) lower alkyl, iii) cycloalkyl, iv) substituted...