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(19)

(11)

2 840 866

(13)

(51)

IPC

C07D233/64(2006-01-01)

C07D403/12(2006-01-01)

(21) (22)

Application

2021103351, 2021-02-11

(24)

Start date

2013-04-12

(22)

Actual filing date

2021-02-11

(45)

Published

2025-05-29

(72)

Inventor

Nebolsin Vladimir EvgenevichKromova Tatyana AleksandrovnaZheltukhina Galina Aleksandrovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu

DERIVATIVE OF BISAMIDES OF DICARBOXYLIC ACIDS, USE THEREOF, PHARMACEUTICAL COMPOSITION BASED THEREON, METHODS OF PREPARATION THEREOF Russian patent published in 2025 - IPC C07D233/64 C07D403/12

Abstract RU 2840866 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing a compound of formula 11, which is capable of complexing or chelating metal ions. Disclosed method involves condensation of a dicarboxylic acid or an ester of formula R₄O-C(O)-R₃-C(O)-OR₄, where R₃ is group -(CH₂)₃-, R₄ is hydrogen, C₁-C₆ alkyl, and amine of formula when heated optionally in the presence of a solvent. Invention also relates to versions of the method of producing a compound of formula 11.

EFFECT: there are disclosed a derivative of bisamides of dicarboxylic acids, its use, a pharmaceutical composition based on it, methods for its preparation.

11 cl, 5 tbl, 9 ex

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RU 2 840 866 C2

Authors

Nebolsin Vladimir Evgenevich

Kromova Tatyana Aleksandrovna

Zheltukhina Galina Aleksandrovna

Dates

2025-05-29—Published

2021-02-11—Filed