Výsledky vyhledávání - "E. M. Peresleni"

Investigation of heterocycles containing nitrogen or sulfur. 48. Derivatives of 1-morpholinooxalyl-1,2-dihydrothiazolo-[5,4-b]pyridine, their structure, and reactions

Autor: L. A. Serochkina, Yu. N. Sheinker, K. F. Turchin, N. P. Solov'eva, T. S. Safonova, O. S. Anisimova, L. G. Levkovskaya, E. M. Peresleni

Publikováno v: Chemistry of Heterocyclic Compounds. 29:966-971

The structures of the products of reactions of 1-N-morpholinooxahi-1,2-dihydrothiazolo-[5,4-b]pyridine have been studied by IR, NMR, UV, and mass spectroscopy. Geometric (cis-anti) and rotational (about the CO-N amide bond) isomers of 1-N-morpholinoo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97f7f64e114faeb3c7001289d54aa57c
https://doi.org/10.1007/bf00534280

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Investigation of heterocycles containing nitrogen or sulfur. 47. Reactions of 1,2-dioxo-3a-alkyl-4,7-dichloroxazolidino [3,2-f]pyrido[2,3-b]-1,4-thiazines with saturated cyclic amines. synthesis and structure of derivatives of 1,2-dihydrothiazolo[5,4-b]pyridine

Autor: N. P. Solov'eva, Yu. N. Sheinker, O. S. Anisimova, K. F. Turchin, E. M. Peresleni, L. A. Serochkina, L. G. Levkovskaya, T. S. Safonova

Publikováno v: Chemistry of Heterocyclic Compounds. 29:959-965

It has been established spectroscopically that 1-N-oxalamides of 2-acyl-5-chloro-1,2-dihydrothiazolo[5,4-b] pyridine are formed in the reaction of 4,7-dichloroxazolidino[3,2-f]pyrido[2,3-b]-1,4-thiazines with morpholine, piperidine and pyrrolidine. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea45f72f0418dad597eddfbce35c892d
https://doi.org/10.1007/bf00534279

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sym-Triazine derivatives

Autor: E. M. Peresleni, L. N. Yakhontov, I. V. Persianova, N. V. Alekseeva, G. M. Vakhatova, G. A. Bogdanova, V. P. Mamaev, V. V. Lapachev, Yu. N. Sheinker, K. F. Turchin

Publikováno v: Chemistry of Heterocyclic Compounds. 24:203-210

The structures, tautomerism, and acid-base properties of some sym-triazinyl-substituted CH acids were studied.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6eb56b2e4b5ec58aa98bac5ddc288df8
https://doi.org/10.1007/bf00473333

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Mass-spectrometric study of the ring-chain tautomerism OF S- and N-Acylalkyl-2-mercaptobenzimidazole derivatives

Autor: E. M. Peresleni, O. S. Anisimova, A. N. Krasovskii, Yu. N. Sheinker, P. M. Kochergin

Publikováno v: Chemistry of Heterocyclic Compounds. 12:568-572

The mass spectra of a number of S- and N-acylalkyl derivatives of 2-mercaptobenzimidazole were studied in order to investigate the ring-chain tautomerism of compounds of this group. It is shown that the fragmentation of the investigated compounds tak

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7935db1f1e27c50332742f68d6355eb5
https://doi.org/10.1007/bf00470115

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Synthesis, structure, and biological properties of N-oxides of some 2-substituted quinoxalines and pyrazines

Autor: A. S. Elina, E. N. Padeiskaya, I. S. Musatova, E. M. Peresleni

Publikováno v: Chemistry of Heterocyclic Compounds. 12:239-244

2-Methoxy- and 2-hydroxy-substituted quinoxaline and pyrazine N,N′-dioxides and N-oxides of a number of quinoxaline-2-carboxylic acid derivatives were synthesized in order to study their biological activity. It is shown that the N-monoxides and N,N

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fd403b756001a438ba2ec3c7968f90c
https://doi.org/10.1007/bf00523980

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Investigation of condensed pyrimidine, pyrazine, and pyridine systems

Autor: E. O. Sochneva, N. A. Nersesyan, T. S. Safonova, E. M. Peresleni, N. V. Sazonov, Yu. N. Sheinker, L. F. Linberg

Publikováno v: Chemistry of Heterocyclic Compounds. 14:321-326

The reaction of 5-hydroxy-6-aminopyrimidines with chloromalonic ester in alcohol or with bromomalonic ester in dimethylformamide leads to 6-carbethoxypyrimido-7-oxazinones, whereas a mixture of 6-carbethoxypyrimido-7-oxazinones and 6,6′-spirodipyri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e884119437218c8625ac34ecc7f2807
https://doi.org/10.1007/bf00470569

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Synthesis and lactim-lactam tautomerism of 1,2-dihydrofuro[2,3-b]quinol-4-one derivatives

Autor: V. G. Granik, Yu. N. Sheinker, T. D. Kurochkina, N. B. Marchenko, E. M. Peresleni, O. S. Anisimova

Publikováno v: Chemistry of Heterocyclic Compounds. 20:304-309

The reaction of O-ethylbutyrolactonium tetrafluoroborate with derivatives of ethyl anthranilate was used to synthesize tetrafluoroborates of cyclic imido esters, which were cyclized to furo[2,3-b]quinol-4-one derivatives by heating in a solution of s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b325244c25a6e48364099950eb7bf7f1
https://doi.org/10.1007/bf00515645

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