Search Results - "Chulakov, E. N."
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Synthesis of novel biotin-based carborane amides
Published in Russian chemical bulletin (01-08-2023)“…A series of novel derivatives of d -biotin containing closo - and nido -carborane residues bound to the biotin carbonyl group either directly or via a linker…”
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Kinetic resolution of racemic 6-substituted 3-methyl-3,4-dihydro-2H-[1,4]benzoxazines with chiral acyl chlorides
Published in Russian chemical bulletin (01-12-2023)“…A comparative study of the kinetic resolution of racemic 6-methoxy-, 6-nitro-, and 6-chloro-3-methyl-3,4-dihydro-2 H -[1,4]benzoxazines with ( S )-naproxen…”
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3
Synthesis of Glycyl-(S)-5-hydroxynorvaline
Published in Russian journal of organic chemistry (01-11-2023)“…The dipeptide glycyl-( S )-5-hydroxynorvaline was obtained from 1- tert -butyl 5-methyl N -Boc-glycyl-( S )-glutamate via saponification, reduction of the…”
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4
Synthesis of enantiomers of 6-substituted 3-methyl-3,4-dihydro-2H-[1,4]benzoxazines
Published in Russian chemical bulletin (01-12-2023)“…Individual ( S )-enantiomers of 6-methoxy-, 6-chloro-, and 6-nitro-3-methyl-3,4-di-hydro-2 H -[1,4]benzoxazines were synthesized via an acylative kinetic…”
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5
Kinetic resolution of racemic 6-substituted 1,2,3,4-tetrahydroquinaldines with chiral acyl chlorides. Experiment and quantum chemical simulation
Published in Russian chemical bulletin (01-05-2021)“…A comparative study of the kinetic resolution (KR) of racemic 6-substituted 2-methyl-1,2,3,4-tetrahydroquinolines with acyl chlorides of ( S )-naproxen, N…”
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6
HPLC separation of 2-aryloxycarboxylic acid enantiomers on chiral stationary phases
Published in Russian chemical bulletin (01-05-2021)“…The possibility for separating enantiomers of a number of practically significant 2-aryloxycarboxylic acids was studied by normal- and reversed-phase HPLC on…”
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Kinetic resolution of racemic 3-tert-butyl-3,4-dihydro-2H-[1,4]benzoxazine via acylation with chiral acyl chlorides
Published in Russian chemical bulletin (01-04-2019)“…A comparative study of the kinetic resolution of racemic 3- tert -butyl-3,4-dihydro-2 H -[1,4]-benzoxazine through the acylation by various chiral acyl…”
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Effectiveness of Repeated Administration of Praziquantel with Disodium Glycyrrhizinate and Two Enantiomers of Praziquantel on Opisthorchis felineus (Rivolta, 1884)
Published in Acta parasitologica (01-03-2020)“…Background Nowadays, it is still important to develop effective anti-opisthorchiasis agents. In this work, we tested a complex of praziquantel (PZQ) with a…”
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9
Analysis of racemic conjugates of purine with heterocyclic amines by chiral high-performance liquid chromatography
Published in Russian chemical bulletin (01-09-2018)“…Reversed-phase HPLC on chiral stationary phases was used to study the influence of the structure of purine and 2-aminopurine conjugates with chiral…”
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10
Synthesis of Purine and 2-Aminopurine Conjugates with N-(4-Aminobenzoyl)-(S)-glutamic Acid
Published in Russian journal of organic chemistry (01-06-2019)“…Purine and 2-aminopurine conjugates with N -(4-aminobenzoyl)-( S )-glutamic acid connected to C 6 of the purine system either directly or through an aminoethyl…”
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11
Diastereoselective Acylation of Racemic Heterocyclic Amines with N-Phthaloyl and N-Naphthaloyl (S)-Amino Acyl Chlorides: Possibility of Parallel Kinetic Resolution
Published in Doklady. Chemistry (01-12-2018)“…The acylative kinetic resolution of racemic 2-methyl-1,2,3,4-tetrahydroquinoline and 3,4-dihydro-3-methyl-2 H -[1,4]benzoxazines with acyl chlorides of N…”
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12
Synthesis and piezoelectric properties of N-phthaloylglutamic acid derivatives
Published in Russian chemical bulletin (01-08-2017)“…The ( S , S )- and ( R , R )-enantiomers of dimethyl 2,4-diphthalimidoglutarate were synthesized by nucleophilic substitution of bromine in dimethyl (2 S ,4 RS…”
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13
Diastereoselective Acylation of Racemic Heterocyclic Amines with N-Tosyl-(S)-Prolyl Chloride and its Structural Analogs
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01-09-2014)“…A comparative study on the kinetic resolution of racemic amines (2,3-dihydro-4H-1,4-benzoxazine and 1,2,3,4-tetrahydroquinoline derivatives) via…”
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14
Enantioselective microbial synthesis of (S)-7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine
Published in Russian chemical bulletin (01-05-2015)“…New strains of Rhodococcus erythropolis 25 and Microbacterium paraoxydans 20-11c actinobacteria were used to obtain ( S )-7,8-difluoro-3,4-dihydro-3-methyl-2 H…”
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15
2-Arylpropionyl chlorides in kinetic resolution of racemic 3-methyl-2,3-dihydro-4H-[1,4]benzoxazines
Published in Russian chemical bulletin (01-05-2011)“…Kinetic resolution of racemic 3-methyl-2,3-dihydro-4 H -[1,4]benzoxazines in the reaction with chiral 2-arylpropionyl chloride predominantly yielded R *, R…”
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16
Structures of the racemate and (S)-enantiomer of 7,8-difluoro-3-methyl-2,3-dihydro-4H-[1,4]benzoxazine
Published in Russian chemical bulletin (01-05-2011)“…The comparative X-ray diffraction study of racemic and ( S )-enantiomer of 7,8-difluoro-3-methyl-2,3-dihydro-4 H -[1,4]benzoxazine was carried out. The both…”
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Kinetic resolution of racemic 2-methyl-1,2,3,4-tetrahydroquinoline and its structural analogs by using 2-arylpropionyl chlorides
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01-08-2012)“…Acylation of 2-methyl-1,2,3,4-tetrahydroquinoline and 2-methylindoline with the acyl chlorides of naproxen, ibuprofen, and 2-phenylpropionic acid has been…”
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