Camps Reaction and Related Cyclizations

AS Fisyuk, AS Kostyuchenko, DS Goncharov - Russian Journal of Organic …, 2020 - Springer
The review presents analysis of the literature on the intramolecular cyclization of N-(2-
acylaryl) amides, known as the Camps reaction, as well as close analogs of these …

Multi-targeted anti-Alzheimer's agents: Synthesis, biological evaluation, and molecular modeling study of some pyrazolopyridine hybrids

OM Waly, SM El-Sayed, MA Ghaly… - European Journal of …, 2023 - Elsevier
A new series of compounds bearing a pyrazolopyridine scaffold was synthesized as
integrated anti-Alzheimer's disease (AD) multi-targeted ligands. Compounds 49 and 51 …

New Synthesis of Pyrazolo [3, 4-b] pyridine Derivatives Based on 5-Aminopyrazole and Azlactones

VY Shuvalov, AL Shatsauskas, TY Zheleznova… - …, 2024 - thieme-connect.com
Reaction of 5-amino-3-methyl-1-phenyl-1H-pyrazole with azlactones under solvent-free
conditions with heating furnished tetrahydro-1H-pyrazolo [3, 4-b] pyridines. The latter were …

Rearrangement of 7-Aryloxazolo[5,4-b]pyridines to Benzo[c][1,7]naphthyridine-4(3H)-ones and Thieno[3,2-c][1,7]naphthyridine-6(7H)-ones

AL Shatsauskas, TE Mamonova… - The Journal of …, 2020 - ACS Publications
In this work, we describe the development of the rearrangement for 7-aryl-substituted
oxazolo [5, 4-b] pyridines treated with aluminum chloride into synthetically hard-to-reach …

5-Ethyl-5, 6-dihydrobenzo [c][1, 7] naphthyridin-4 (3H)-ones–A new class of fluorescent dyes

AL Shatsauskas, YV Shatalin, VS Shubina… - Dyes and …, 2022 - Elsevier
Abstract Reduction of benzo [c][1, 7] naphthyridin-4 (3H)-ones with sodium borohydride in
acetic acid led to a series of 5-ethyl-5, 6-dihydrobenzo [c][1, 7] naphthyridin-4 (3H)-ones …

Synthesis and application of new 3-amino-2-pyridone based luminescent dyes for ELISA

A Shatsauskas, Y Shatalin, V Shubina, Y Zablodtskii… - Dyes and …, 2021 - Elsevier
A series of new 3-amino-4-arylpyridin-2 (1H)-one derivatives was synthesized on the basis
of oxazolo [5, 4-b] pyridin-2 (1H)-ones. Their photophysical properties and antioxidant …

Synthesis and Chemosensory Properties of New Cyanosubstituted 2, 2'-Bipyridine Derivatives

MY Ievlev, NS Mayorov, IN Bardasov, SP Sorokin… - Journal of …, 2022 - Springer
A series of novel 6-oxo-1, 6-dihydro-[2, 2'-bipyridine]-5-carbonitriles has been synthesized
and characterized. Their photophysical properties in DMSO solution and aqueous medium …

Oxidative cyclization of N-(2-oxo-4-phenyl-1,2-dihydropyridin-3-yl)thioureas to 7-phenyloxazolo[5,4-b]pyridin-2-amines

SA Kirnosov, AL Shatsauskas, TY Zheleznova… - Russian Chemical …, 2024 - Springer
Abstract The reaction of N-(2-oxo-4-phenyl-1, 2-dihydropyridin-3-yl) thioureas with hydrogen
peroxide in aqueous ethanol proceeded via the oxidation of the sulfur atom and its …

Synthesis of 3-Amino-6,7-Dihydroferroceno[a]Quinolizin-4-One Derivatives via the Reaction of 3,4-Dihydroferroceno[c]Pyridines with Azlactones

VY Shuvalov, YS Rozhkova, IV Plekhanova… - Chemistry of …, 2022 - Springer
Derivatives of 3-amino-6, 7-dihydroferroceno [a] quinolizin-4-one were obtained by the
reaction of 3, 4-dihydroferroceno [c] pyridines with 4-(ethoxymethylidene)-and 4-(3-oxo-2 …

A Rearrangement of 4-Phenylbenzo [d] oxazoles to Phenanthridin-4-ols

AL Shatsauskas, ES Keyn, AJ Stasyuk, SA Kirnosov… - …, 2024 - thieme-connect.com
A new approach was developed for the synthesis of phenanthridin-4-ols and 4-
hydroxyphenanthridin-6 (5H)-one derivatives in 43–89% yields based on the AlCl 3 …