PIPERIDYLHYDROXY- OR QUINUCLIDINYLHYDROXY-ISOXAZOLE DERIVATIVES OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS, COMPOSITION DECREASING COGNITIVE FUNCTION DISORDERS Russian patent published in 1997 - IPC

Abstract RU 2079496 C1

FIELD: chemistry of heterocyclic compounds. SUBSTANCE: product: piperidylhydroxy - or quinuclidinylhydroxy-isoxazole derivatives of the formula (I) where R1 - H, halogen or lower alkyl; R2 - H, lower alkyl, phenyl that can be substituted with halogen, lower alkoxy or hydroxy group, or R2 - heterocyclic group containing 5 or 6 atoms in ring one of which is nitrogen or sulfur; or R1 and R2 together form the group -CR4=CR5-CR6=CR7- where R4,R5,R6 and R7 - H, lower alkyl or alkoxy group; R3 - piperidyl group where nitrogen atom can be substituted with lower alkyl. Proposed composition has an effective dose of compound of the formula (I). EFFECT: improved method of synthesis. 2 cl, 3 tbl

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RU 2 079 496 C1

Authors

Mitsuo Nagano[Jp]

Dzhuniti Sakai[Jp]

Takeo Kobajasi[Jp]

Masao Kozuka[Jp]

Nobuesi Ivata[Jp]

Esiko Kubo[Jp]

Dates

1997-05-20Published

1993-02-09Filed