TRICYCLIC SPIROBENZOPYRAN COMPOUND

TRICYCLIC SPIROBENZOPYRAN COMPOUND

PROBLEM TO BE SOLVED: To provide a therapeutic agent for arrhythmia. SOLUTION: A benzopyran derivative is represented by formula (I) or (II) [wherein, R1and R2together mean C=O or the like, or together mean cycloalkyl or heterocyclyl such as pyran or piperidine with carbon atom to which both are bou...

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Hauptverfasser: SHIGETA YUKIHIRO, IKUYORI KAZUHIKO, TSUKAGOSHI TORU, UESUGI OSAMU, OKADA TAKUMI
Format: Patent
Sprache:eng
Schlagworte:
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:PROBLEM TO BE SOLVED: To provide a therapeutic agent for arrhythmia. SOLUTION: A benzopyran derivative is represented by formula (I) or (II) [wherein, R1and R2together mean C=O or the like, or together mean cycloalkyl or heterocyclyl such as pyran or piperidine with carbon atom to which both are bound; R3means hydroxy or the like; R4means a hydrogen atom or the like; m means an integer of 0-4; n means an integer of 0-4; V means a single bond, or CR7R8, NR9, O, S, SO or SO2; R5means a hydrogen atom or 1-6C alkyl; R6means a hydrogen atom, 1-6C alkyl or 6-14C aryl or the like; and A is a 5-, 6- or 7-membered ring or the like condensed with the benzene ring] or a pharmaceutically acceptable salt thereof. COPYRIGHT: (C)2010,JPO&INPIT