5(3)-PHENYL-4-PHENYLAZO-3(5)-PYRAZOLE CARBOXYLIC ACID ELICITING ANTIBACTERIAL ACTIVITY Russian patent published in 2003 - IPC

Abstract RU 2198165 C2

FIELD: organic chemistry, chemical technology. SUBSTANCE: invention relates to novel biologically active compounds of pyrazole carboxylic acid class. Invention proposes 593)-phenyl-4-phenyl-3(5)-pyrazole carboxylic acid of the formula (I) eliciting antibacterial activity. Compound of the formula (I) is synthesized by interaction of 2,4-dioxo-4-phenyl-3-phenyl- -hydrazonobutanoic acid with excess of hydrazine hydrate in acetic acid medium at the room temperature followed by isolation of end product by known procedures. Invention provides synthesis of practically nontoxic compound with high yield (99%) and high level of antibacterial activity. EFFECT: improved method of synthesis, high yield, valuable biological property. 1 tbl, 2 ex

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RU 2 198 165 C2

Authors

Pimenova E.V.

Khamatgaleev R.A.

Voronina Eh.V.

Solodnikov S.Ju.

Anikina L.V.

Dates

2003-02-10Published

2000-01-10Filed