NOVEL CRYSTAL OF QUINOXALINEDIONE DERIVATIVE ANHYDRIDE

• Main Authors: YUDA, MASAMICHI, KOHINATA, TAKERU
• Format: Patent
• Language: English; French; German
• Published: 12.01.2005
• Edition: 7
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

The object of the present invention is to provide a novel crystal of a quinoxalinedione derivative as an AMPA antagonist, which enables providing a bulk for manufacturing pharmaceuticals that are stable under any humidity conditions.