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- Title
6-Amino-4-aryl-7-phenyl-3-(phenylimino)-4,7-dihydro-3H-[1,2]dithiolo[3,4-b]pyridine-5-carboxamides: Synthesis, Biological Activity, Quantum Chemical Studies and In Silico Docking Studies.
- Authors
Dotsenko, Victor V.; Bespalov, Alexander V.; Sinotsko, Anna E.; Temerdashev, Azamat Z.; Vasilin, Vladimir K.; Varzieva, Ekaterina A.; Strelkov, Vladimir D.; Aksenov, Nicolai A.; Aksenova, Inna V.
- Abstract
New [1,2]dithiolo[3,4-b]pyridine-5-carboxamides were synthesized through the reaction of dithiomalondianilide (N,N′-diphenyldithiomalondiamide) with 3-aryl-2-cyanoacrylamides or via a three-component reaction involving aromatic aldehydes, cyanoacetamide and dithiomalondianilide in the presence of morpholine. The structure of 6-amino-4-(2,4-dichloro- phenyl)-7-phenyl-3-(phenylimino)-4,7-dihydro-3H-[1,2]dithiolo[3,4-b]pyridine-5-carboxamide was confirmed using X-ray crystallography. To understand the reaction mechanism in detail, density functional theory (DFT) calculations were performed with a Grimme B97-3c composite computational scheme. The results revealed that the rate-limiting step is a cyclization process leading to the closure of the 1,4-dihydropyridine ring, with an activation barrier of 28.8 kcal/mol. Some of the dithiolo[3,4-b]pyridines exhibited moderate herbicide safening effects against 2,4-D. Additionally, ADMET (Absorption, Distribution, Metabolism, Excretion, Toxicity) parameters were calculated and molecular docking studies were performed to identify potential protein targets.
- Subjects
MOLECULAR docking; X-ray crystallography; DENSITY functional theory
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 2, p769
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25020769