INTERMEDIATE 2-PYRROLIDONE DERIVATIVES AND THEIR PRODUCTIONPROCESS

Disclosed are novel 2-pyrrolidone derivatives (VII): useful for the production of compounds (I) (I) (wherein W represents halogen; and R represents a hydrogen atom, a lower alkyl, a lower alkoxy or a lower alkynyl group or a group of the formula: -(CH2)n-X (VIII) wherein X represents a phenyl or a h...

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Main Authors AKASAKA, KOZO, YAMATSU, ISAO, IKUTA, HIRONORI, SHIROTA, HIROSHI, YAMAGISHI, YOUJI, KOBAYASHI, SEIICHI, KATAYAMA, KOUICHI
Format Patent
LanguageEnglish
French
Published 10.07.1990
Edition4
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Disclosed are novel 2-pyrrolidone derivatives (VII): useful for the production of compounds (I) (I) (wherein W represents halogen; and R represents a hydrogen atom, a lower alkyl, a lower alkoxy or a lower alkynyl group or a group of the formula: -(CH2)n-X (VIII) wherein X represents a phenyl or a hydroxyl group or a group of the formula: (IX) wherein R1 and R2 may be the same or different and represent a hydrogen atom or a lower alkyl group; and n represents an integer of 1 or 2). These compounds (I) are useful as an anti-inflammatory, analgesic and antithermic agent.
Bibliography:Application Number: CA19890615512