Search Results - "Kostyuk, Aleksandr N."
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N-Phosphorylated Imidazolium Salts as Precursors to 2- and 5-Phosphorylated Imidazoles and New Imidazol-2-ylidenes Featuring the PNCN Unit
Published in Journal of organic chemistry (05-11-2010)“…It has been experimentally proven that the reaction of 1- or 1,2-disubstituted imidazoles with diorganylphosphorus(III) halides proceeds via initial formation…”
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2
Direct synthesis of N-phosphanyl-heterocyclic carbenes
Published in Tetrahedron letters (01-02-2012)“…A direct method for the synthesis of N-phosphanyl-heterocyclic carbenes is described. The method is based on the reaction of lithium imidazolides and…”
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3
First Annelated Azaphosphole-Ferrocenes: Synthetic Pathways and Structures
Published in Organometallics (10-09-2012)“…The first annelated bis- and mono-3H-1,3-azaphosphole ferrocene sandwich compounds have been synthesized from aminoferrocenes, and their X-ray structures are…”
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4
Synthesis of functionalized polyhalogenated thiophene derivatives
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01-07-2023)“…The halogen dance reaction was utilized for preparation of iodothiophenes. Starting from a set of dihalo-substituted thiophenes, their derivatives, namely,…”
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5
Diastereoselective Synthesis of Dialkylated Bis(phosphino)ferrocenes: Their Use in Promoting Silver‐Mediated Nucleophilic Fluorination of Chloroquinolines
Published in European journal of inorganic chemistry (10-01-2017)“…The diastereoselective synthesis of dialkylated ferrocenyl bis(phosphane)s bearing aryl, alkyl, and hetero‐ or polycyclic substituents on the phosphino groups…”
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6
A convenient approach to 3-trifluoromethyl-6-azaindoles
Published in Journal of fluorine chemistry (01-05-2020)“…[Display omitted] •2-Trifluoromethyl-6-azaindole and its derivatives.•Hydration of…”
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7
1,2-migration in N-phosphano functionalized N-heterocyclic carbenes
Published in Journal of computational chemistry (05-01-2015)“…1,2‐Migration of the phosphano‐group to the carbene center in N‐phosphano functionalized N‐heterocyclic carbenes has been studied by density functional theory…”
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8
Stable N-Heterocyclic Carbenes: N-Alkyl-N′-phosphanylbenzimidazol-2-ylidenes
Published in European journal of organic chemistry (01-07-2012)“…Three original approaches to the synthesis of N‐alkyl‐N′‐phosphanylbenzimidazolium salts, which are precursors of the corresponding carbenes, were developed…”
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9
N‑Phosphorylated Azolylidenes: Novel Ligands for Dinuclear Complexes of Coinage Metals
Published in Organometallics (28-01-2013)“…Dinuclear silver(I) complexes with bridging N-phosphorylated azolylidene ligands have been synthesized. Subsequent transfer of the ligands to other group 11…”
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10
Electrocyclization of Phosphahexatrienes: An Approach to λ5-Phosphinines
Published in Journal of organic chemistry (05-08-2011)“…We experimentally verified an assumption that the substitution of a carbon atom with a pentavalent phosphorus atom in 1-alkoxy (dialkylamino) hexatrienes will…”
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11
A Representative of P,P,P-Trihalogenylides: Synthesis and Structure
Published in Journal of organic chemistry (27-10-2006)“…The representative of P,P,P-trichloroylides5-methyl-2-phenyl-4-(trichlorophosphoranylidene)-2,4-dihydro-3H-pyrazol-3-onewas synthesized. Its constitution was…”
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12
Electrophilic substitution as a convenient approach to functionalized N-benzyl-1,4-dihydropyridines
Published in Tetrahedron letters (29-07-2002)“…The reactivity of 1-benzyl-3-cyano-1,4-dihydropyridine was studied in reactions with electrophilic reagents based on structural analogy of 1,4-dihydropyridines…”
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13
Diastereoselective Synthesis of Dialkylated Bis(phosphino)ferrocenes: Their Use in Promoting Silver‐Mediated Nucleophilic Fluorination of Chloroquinolines
Published in European journal of inorganic chemistry (2017)“…The diastereoselective synthesis of dialkylated ferrocenyl bis(phosphane)s bearing aryl, alkyl, and hetero‐ or polycyclic substituents on the phosphino groups…”
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14
Stable N‑Phosphorylated 1,2,4-Triazol-5-ylidenes: Novel Ligands for Metal Complexes
Published in Organometallics (10-12-2012)“…Synthetic routes to novel N-phosphorylated 1,2,4-triazolium salts have been developed. Treatment of the specified salts with strong base produces new stable…”
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15
3,4-Bis-phosphanyl-1H-pyrrole derivatives via direct electrophilic phosphanylation of 1-tert-butyl-1H-pyrrole
Published in Tetrahedron letters (23-03-2016)“…[Display omitted] •Preparation of 1-(tert-butyl)-3,4-bis(dibromophosphanyl)-1H-pyrrole is described.•This compound was used in the synthesis of new…”
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16
Ferrocenyl (P,N)-diphosphines incorporating pyrrolyl, imidazolyl or benzazaphospholyl moieties: Synthesis, coordination to group 10 metals and performances in palladium-catalyzed arylation reactions
Published in Journal of organometallic chemistry (01-07-2013)“…Three novel symmetrical ferrocenyl diphosphines with tertiary phosphorus atoms holding respectively nitrogen-containing heterocyclic derivatives of pyrrole,…”
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17
An approach to the synthesis of 1,2l super(5)-azaphosphinines
Published in Tetrahedron letters (01-12-2010)“…A novel approach to 1,2l super(5)-azaphosphinines has been elaborated. Aminophosphonium chlorides bearing a b-dialkylaminocrotonic nitrile residue react with…”
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18
An approach to the synthesis of 1,2λ5-azaphosphinines
Published in Tetrahedron letters (01-12-2010)Get full text
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19
Synthesis of CF3-bearing pyrrolidines by hydrogenation of trifluoroacetylated pyrrole derivatives
Published in Journal of fluorine chemistry (01-12-2015)“…Hydrogenation of trifluoroacylated pyrroles was investigated. •An approach to CF3-bearing pyrrolidines was developed.•The CF3-bearing pyrroles were found to be…”
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20
Electrocyclization of Phosphahexatrienes: An Approach to λ 5 -Phosphinines
Published in Journal of organic chemistry (05-08-2011)Get full text
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