7-substituted-carbostyril derivative and preparation method thereof

• Main Authors: IWAMURA, TATSUNORI, ODA, TOSHIAKI, ONOGI, KAZUHIRO, KATAOKA, TADASHI, WATANABE, SHIN-ICHI
• Format: Patent
• Language: Chinese; English
• Published: 01.05.2006
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY

A 7-substituted-carbostyril derivative useful as a production intermediate of a pharmaceutical agent and an industrially useful preparation method thereof are provided, A 7-substituted-carbostyril derivative represented by formula (1): wherein R1 represents a hydroxyl group, a lower alkylsulfonyloxy...