Search Results - "Aksenov, Dmitrii A."
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A New, Convenient Way to Fully Substituted α,β-Unsaturated γ-Hydroxy Butyrolactams
Published in International journal of molecular sciences (16-06-2023)“…The synthesis of novel, highly functionalized 5-hydroxy 3-pyrrolin-2-ones via a two-step procedure involving an addition reaction between KCN and corresponding…”
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2
An Effective Synthesis of Previously Unknown 7-Aryl Substituted Paullones
Published in Molecules (Basel, Switzerland) (01-03-2023)“…A straightforward three-step procedure affording a wide range of novel 7-aryl substituted paullone derivatives was developed. This scaffold is structurally…”
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3
Metal-Free, PPA-Mediated Fisher Indole Synthesis via Tandem Hydroamination-Cyclization Reaction between Simple Alkynes and Arylhydrazines
Published in International journal of molecular sciences (11-08-2024)“…A new variant of Fisher indole synthesis involving Bronsted acid-catalyzed hydrohydrazination of unactivated terminal and internal acetylenes with…”
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4
One-Pot Synthesis of Polynuclear Indole Derivatives by Friedel-Crafts Alkylation of γ-Hydroxybutyrolactams
Published in Molecules (Basel, Switzerland) (02-04-2023)“…The Friedel-Crafts reaction of novel 3,5-diarylsubstituted 5-hydroxy-1,5-dihydro-2H-pyrrol-2-ones was used for low cost, one-pot preparation of polycyclic…”
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5
Synthesis of β-Carbolines with Electrocyclic Cyclization of 3-Nitrovinylindoles
Published in International journal of molecular sciences (01-09-2023)“…The β-carboline motif is common in drug discovery and among numerous biologically active natural products. However, its synthetic preparation relies on…”
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6
One-Pot Synthesis of ( E )-2-(3-Oxoindolin-2-ylidene)-2-arylacetonitriles
Published in Molecules (Basel, Switzerland) (28-04-2022)“…A highly efficient and expeditious one-pot approach towards 2-(3-oxoindolin-2-yl)acetonitriles was designed, which involves a base-assisted aldol reaction of…”
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7
Direct Conversion of 3-(2-Nitroethyl)-1H-Indoles into 2-(1H-Indol-2-yl)Acetonitriles
Published in Molecules (Basel, Switzerland) (11-10-2021)“…The recently discovered [4+1]-spirocyclization of nitroalkenes to indoles provided a convenient new approach to 2-(1H-indol-2-yl)acetonitriles. However, this…”
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8
A Convenient Way to Quinoxaline Derivatives through the Reaction of 2-(3-Oxoindolin-2-yl)-2-phenylacetonitriles with Benzene-1,2-diamines
Published in International journal of molecular sciences (22-09-2022)“…Microwave-assisted reaction between 2-(3-oxoindolin-2-yl)-2-phenylacetonitriles andbenzene-1,2-diamines leads to the high-yielding formation of the…”
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9
Electrophilically Activated Nitroalkanes in Double Annulation of [1,2,4]Triazolo[4,3- a ]quinolines and 1,3,4-Oxadiazole Rings
Published in Molecules (Basel, Switzerland) (20-09-2021)“…Nitroalkanes activated with polyphosphoric acid could serve as efficient electrophiles in reactions with amines and hydrazines, enabling various cascade…”
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10
Electrophilically Activated Nitroalkanes in Synthesis of 3,4-Dihydroquinozalines
Published in Molecules (Basel, Switzerland) (14-07-2021)“…Nitroalkanes activated with polyphosphoric acid serve as efficient electrophiles in reactions with various nucleophilic amines. Strategically placed second…”
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11
A Two-Step Synthesis of Unprotected 3-Aminoindoles via Post Functionalization with Nitrostyrene
Published in Molecules (Basel, Switzerland) (23-04-2023)“…A novel, low-cost method for the preparation of not easily accessible free 3-aminoindoles has been developed. This approach is based on a well-established…”
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12
Improved Method for Preparation of 3-(1 H -Indol-3-yl)benzofuran-2(3 H )-ones
Published in Molecules (Basel, Switzerland) (15-03-2022)“…3-(1 -Indol-3-yl)benzofuran-2(3 )-ones were efficiently accessed via polyphosphoric acid-mediated condensation of 3-(2-nitrovinyl)-1 -indoles with phenols…”
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13
One-Pot Synthesis of N‑Fused Quinolone‑4 Tetracyclic Scaffolds from 2,2-Disubstituted Indolin-3-ones
Published in ACS omega (12-11-2024)“…A cascade transformation of C2-quaternary indoxyls leading to an efficient assembly of complex (dihydro)indolo[1,2-a]quinolin-5-one ring systems is…”
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14
Synthesis of imidazo[1,5- a ]pyridines via cyclocondensation of 2-(aminomethyl)pyridines with electrophilically activated nitroalkanes
Published in Beilstein journal of organic chemistry (26-11-2020)“…Imidazo[1,5- ]pyridines were efficiently prepared via the cyclization of 2-picolylamines with nitroalkanes electrophilically activated in the presence of…”
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15
Electrophilically Activated Nitroalkanes in Reactions With Carbon Based Nucleophiles
Published in Frontiers in chemistry (11-02-2020)“…Unusual reactivity of nitroalkanes, involving formation of aci-forms (nitronic acids or nitronates) and their subsequent interaction with carbon-based…”
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16
Methylation of 2-Aryl-2-(3-indolyl)acetohydroxamic Acids and Evaluation of Cytotoxic Activity of the Products
Published in MolBank (01-03-2022)“…2-Aryl-2-(3-indolyl)acetohydroxamic acids demonstrate promising antitumor activity, but quickly metabolize in vivo via glucuronidation of hydroxamic acid…”
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17
Synthesis of Spiro[indole-3,5′-isoxazoles] with Anticancer Activity via a Formal [4 + 1]-Spirocyclization of Nitroalkenes to Indoles
Published in Journal of organic chemistry (07-06-2019)“…An acid-assisted [4 + 1]-cycloaddition of indoles with nitrostyrenes affords 4′H-spiro[indole-3,5′-isoxazoles] in a diastereomerically pure form. Several of…”
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18
Nitrovinylindoles as Heterotrienes: Electrocyclic Cyclization En Route to β‑Carbolines: Total Synthesis of Alkaloids Norharmane, Harmane, and Eudistomin N
Published in Organic letters (07-10-2022)“…Unusual cascade transformation was developed involving microwave assisted electrocyclic cyclization of aci (alkylideneazinic acid) forms of nitrovinylindoles…”
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19
A Diastereoselective Assembly of Tetralone Derivatives via a Tandem Michael Reaction and ipso-Substitution of the Nitro Group
Published in Journal of organic chemistry (05-05-2023)“…A highly diastereoselective tandem reaction of 2′-nitrochalcones is reported, involving Michael addition and a subsequent ipso-substitution of the nitro group…”
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20
Syntheses of 3‑(2-Nitrovinyl)-indoles, Benzo[a]carbazoles, Naphtho[2,1‑a]carbazoles, and 1‑Hydroxy-β-carbolines Lead to Identification of Antiproliferative Compounds Active under Hypoxia
Published in Journal of organic chemistry (04-10-2024)“…Herein, we describe a novel reaction between C-2-substituted indoles and 2-nitroacetophenones leading to a variety of indole-containing heterocyclic scaffolds…”
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