Crystal structure and Hirshfeld surface analysis of ethyl 6′-amino-2′-(chloromethyl)-5′-cyano-2-oxo-1,2-dihydrospiro[indoline-3,4′-pyran]-3′-carboxylate

Autor: Farid N. Naghiyev, Maria M. Grishina, Victor N. Khrustalev, Mehmet Akkurt, Afet T. Huseynova, Anzurat A. Akobirshoeva, İbrahim G. Mamedov

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 7, Pp 739-743 (2021)

The molecular conformation of the title compound, C17H14ClN3O4, is stabilized by an intramolecular C—H...O contact, forming an S(6) ring motif. In the crystal, the molecules are connected by N—H...O hydrogen-bond pairs along the b-axis direction

Externí odkaz: https://doaj.org/article/84bb8523387b47b29669f33b004d2b7c

Facile Access to 2-Selenoxo-1,2,3,4-tetrahydro-4-quinazolinone Scaffolds and Corresponding Diselenides via Cyclization between Methyl Anthranilate and Isoselenocyanates: Synthesis and Structural Features

Autor: Vladimir K. Osmanov, Evgeniy V. Chipinsky, Victor N. Khrustalev, Alexander S. Novikov, Rizvan Kamiloglu Askerov, Alexander O. Chizhov, Galina N. Borisova, Alexander V. Borisov, Maria M. Grishina, Margarita N. Kurasova, Anatoly A. Kirichuk, Alexander S. Peregudov, Andreii S. Kritchenkov, Alexander G. Tskhovrebov

Publikováno v: Molecules, Vol 27, Iss 18, p 5799 (2022)

A practical method for the synthesis of 2-selenoxo-1,2,3,4-tetrahydro-4-quinazolinone was reported. The latter compounds were found to undergo facile oxidation with H2O2 into corresponding diselenides. Novel organoselenium derivatives were characteri

Externí odkaz: https://doaj.org/article/cca7ed4214694dc9b5d026afc0f3f1de

Bromination of bis(pyridin-2-yl) diselenide in methylene chloride: the reaction mechanism and crystal structures of 1H-pyridine-2-selenenyl dibromide and its cycloadduct with cyclopentene (3aSR,9aRS)-2,3,3a,9a-tetrahydro-1H-cyclopenta[4,5][1,3]selenazolo[3,2-a]pyridinium bromide

Autor: Zhanna V. Matsulevich, Julia M. Lukiyanova, Vladimir I. Naumov, Galina N. Borisova, Vladimir K. Osmanov, Alexander V. Borisov, Maria M. Grishina, Victor N. Khrustalev

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 5, Pp 675-679 (2019)

1H-Pyridine-2-selenenyl dibromide, C5H5NSeBr2, 1, is a product of the bromination of bis(pyridin-2-yl) diselenide in methylene chloride recrystallization from methanol. Compound 1 is essentially zwitterionic: the negative charge resides on the SeBr2

Externí odkaz: https://doaj.org/article/8f1800ac99bc428faf0c50c21ee0ea99

The synthesis and crystal structure of 2-(chloroselanyl)pyridine 1-oxide: the first monomeric organoselenenyl chloride stabilized by an intramolecular secondary Se...O interaction

Autor: Rizvan K. Askerov, Zhanna V. Matsulevich, Galina N. Borisova, Svetlana A. Zalepkina, Vasiliy F. Smirnov, Maria M. Grishina, Pavel V. Dorovatovskii, Alexander V. Borisov, Victor N. Khrustalev

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 12, Pp 1864-1866 (2016)

The title compound, C5H4ClNOSe, is the product of the reaction of sulfuryl chloride and 2-selanyl-1-pyridine 1-oxide in dichloromethane. The molecule has an almost planar geometry (r.m.s. deviation = 0.012 Å), and its molecular structure is stabiliz

Externí odkaz: https://doaj.org/article/8d1f1c60a6304d868eb941d0dcfcdd31

Crystal structure and Hirshfeld surface analysis of 3-amino-1-oxo-2,6,8-triphenyl-1,2,7,8-tetrahydroisoquinoline-4-carbonitrile

Autor: Anzurat A. Akobirshoeva, Farid N. Naghiyev, İbrahim G. Mamedov, Ali N. Khalilov, Maria M. Grishina, Victor N. Khrustalev, Mehmet Akkurt

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 2, Pp 195-199 (2021)
Acta Crystallographica Section E: Crystallographic Communications

The supra­molecular structure of the compound is stabilized by a three-dimensional array of N—H⋯O and C—H⋯N hydrogen bonds and C—H⋯π inter­actions.
In the title compound, C28H21N3O, the 1,2-di­hydro­pyridine ring of the 1,2,7,8-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f860e597ee369b3900af5fd148841b8
http://scripts.iucr.org/cgi-bin/paper?S2056989021000785