AMIDES, METHODS OF THEIR SYNTHESIS AND PHARMACEUTICAL COMPOSITION SHOWING PROPERTY OF CHANNEL OPENING FOR CELLULAR POTASSIUM Russian patent published in 1997 - IPC

Abstract RU 2074173 C1

FIELD: organic chemistry. SUBSTANCE: product: amides of the formula (I): where: a): E - nitrogen and X - phenylsulfonyl; b): E - group CZ where C - ring carbon atom; Z - hydrogen, cyano-group, halogen, hydroxyl, alkyl or alkoxyl; X - phenylcarbonyl, phenylsulfinyl or phenyl sulfonyl; c): X - cyano-group and Z - phenylsulfonyl; R2 and R3 free alkyl or alkyl substituted with fluorine or they together form 3-5-membered cycloalkyl, and pharmcomposition based on amides of the formula (I) and methods of amide synthesis. Method 1. Reagent 1: the corresponding aniline. Reagent 2: the corresponding acid. Method 2. Reagent 1: amide of the formula (I) containing hydroxyl-protected group. Reaction condition: protective group removing. Method 3. Reagent 1: amide of the formula (I) where X - phenyl sulfide. Reagent 2: oxidizing agent. Synthesized compounds can be used in medicine. EFFECT: improved method of synthesis. 6 cl, 2 tbl

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RU 2 074 173 C1

Authors

Kit Rassell[Gb]

Sirus Dzhon Onmakht[Us]

Kit Khopkinson Dzhibson[Gb]

Dates

1997-02-27Published

1992-07-24Filed