FIELD: organic chemistry. SUBSTANCE: products: piperidylmethyl-substituted derivatives of chroman of the formula (I) where A - hydrogen or lower alkoxy; E - hydrogen, hydroxyl, phenyl or piperidyl; G - unsubstituted phenyl or phenyl substituted with halogen and/or trifluoromethyl, phenoxy-group substituted with trifluoromethyl, benzyl, substituted phenylcarbonyl, aminocarbonyl at condition that E does not mean hydrogen or hydroxyl when G - phenyl, and their salts with inorganic acids. Reagent 1: compound of the formula (II) where X - halogen or hydroxyl. Reagent 2: compound of the formula (III). Reaction conditions: in inert solvent in the presence of base. Compounds of formulas I, II and III were given in description of invention. The synthesized compounds were used in medicine, in neurology. EFFECT: improved method of synthesis. 2 cl, 4 tbl
Title | Year | Author | Number |
---|---|---|---|
HETEROCYCLYLMETHYL CHROMAN AS MIXTURE OF ISOMERS OR INDIVIDUAL ISOMERS OR SALTS THEREOF | 1992 |
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METHODS FOR PREPARATION OF 1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLIC ACID DERIVATIVES IN THE FORM OF R ISOMERS AND THEIR SALTS, STARTING SUBSTANCES AND INTERMEDIATES FOR PREPARATION THEREOF | 1995 |
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DERIVATIVES OF 7-ISOINDOLINYLQUINOLONE AND 7-ISOINDOLINYLNAPHTHYRIDONE | 1993 |
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DERIVATIVES OF QUINOXALINEDIONE, METHODS OF THEIR SYNTHESIS, PHARMACEUTICAL AGENT BASED ON SAID | 1994 |
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DERIVATIVES OF BENZOFURANYLALKANE CARBOXYLIC ACID OR A MIXTURE OF THEIR ISOMERS, OR SEPARATE ISOMERS, OR THEIR SALTS | 1994 |
|
RU2125564C1 |
Authors
Dates
1998-01-20—Published
1992-12-08—Filed