Synthesis and antioxidant activity furan derivatives containing 1,3,4-oxadiazole ring

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Abstract

N-methylaminoamide derivatives were obtained by the reaction of methyl esters of 5-aminomethyl-substituted furocarboxylic acids with methylamine, and the corresponding amino acids were isolated by hydrolysis. Hydrazides were synthesized by interaction above mention esters with hydrazine hydrate, which were converted via diamide derivatives into biheterocyclic compounds containing furan and 1,3,4-oxadiazole rings. The target biheterocycles were also synthesized by the reaction of hydrazides with acid chlorides in the presence of phosphorus oxychloride in one stage without isolating diamides.

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A. A. Aghekyan

The Scientific Technological Centre of Organic and Pharmaceutical Chemistry NAS RA

Author for correspondence.
Email: aaghekyan@mail.ru
ORCID iD: 0000-0001-6151-4951
Armenia, prosp. Azatutyana, 26, Yerevan, 0014

H. A. Panosyan

The Scientific Technological Centre of Organic and Pharmaceutical Chemistry NAS RA

Email: aaghekyan@mail.ru
ORCID iD: 0000-0001-8311-6276
Armenia, prosp. Azatutyana, 26, Yerevan, 0014

Zh. M. Buniatyan

The Scientific Technological Centre of Organic and Pharmaceutical Chemistry NAS RA

Email: aaghekyan@mail.ru
ORCID iD: 0000-0002-3152-3176
Armenia, prosp. Azatutyana, 26, Yerevan, 0014

R. E. Muradyan

The Scientific Technological Centre of Organic and Pharmaceutical Chemistry NAS RA

Email: aaghekyan@mail.ru
ORCID iD: 0000-0002-4110-9454
Armenia, prosp. Azatutyana, 26, Yerevan, 0014

G. G. Mkryan

The Scientific Technological Centre of Organic and Pharmaceutical Chemistry NAS RA

Email: aaghekyan@mail.ru
ORCID iD: 0000-0001-9879-9524
Armenia, prosp. Azatutyana, 26, Yerevan, 0014

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