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Advanced Search Results For "Khrustalev VN"

1 - 10 of 221 results for
 "Khrustalev VN"
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Acetone Factor in the Design of Cu 4 -, Cu 6 -, and Cu 9 -Based Cage Coppersilsesquioxanes: Synthesis, Structural Features, and Catalytic Functionalization of Alkanes.

Publication Type:Academic Journal

Source(s):Inorganic chemistry [Inorg Chem] 2022 Sep 19; Vol. 61 (37), pp. 14800-14814. Date of Electronic Publication: 2022 Sep 04.

Abstract:The present study describes a new feature in the self-assembly of cagelike copperphenylsilsesquioxanes: the strong influence of acetone solvates on cage structure formation. By this simple approach, a series of novel tetra-, hexa-, or nonacoppersilsesq...

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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.

Publication Type:Academic Journal

Source(s):Molecules (Basel, Switzerland) [Molecules] 2022 Sep 07; Vol. 27 (18). Date of Electronic Publication: 2022 Sep 07.

Abstract: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 H 2 O 2 into corresponding diselenides. Novel organoselenium derivatives were character...

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Crystal structure and Hirshfeld surface analysis of ethyl 2'-amino-5-bromo-3'-cyano-6'-methyl-2-oxo-spiro-[indoline-3,4'-pyran]-5'-carboxyl-ate.

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Aug 26; Vol. 78 (Pt 9), pp. 942-946. Date of Electronic Publication: 2022 Aug 26 (Print Publication: 2022).

Abstract:The crystal used for structure determination contained, along with the title compound, C 17 H 14 BrN 3 O 4 , an admixture [0.0324 (11)] of its 7-bromo isomer. The 2,3-di-hydro-1 H -indole ring system is nearly planar, while the conformation of the 4 H ...

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Structural Organization of Dibromodiazadienes in the Crystal and Identification of Br···O Halogen Bonding Involving the Nitro Group.

Publication Type:Academic Journal

Source(s):Molecules (Basel, Switzerland) [Molecules] 2022 Aug 11; Vol. 27 (16). Date of Electronic Publication: 2022 Aug 11.

Abstract:Nitro functionalized dibromodiazadiene dyes were prepared and fully characterized including X-ray single crystal analysis. Electron deficient dibromodiazadienes were found to be able to act as donors of halogen bonding (XB), while the nitro group acted...

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Crystal structures and Hirshfeld surface analyses of 2-amino-4-(4-bromo-phen-yl)-6-oxo-1-phenyl-1,4,5,6-tetra-hydro-pyridine-3-carbo-nitrile hemi-hydrate and 1,6-di-amino-2-oxo-4-phenyl-1,2-di-hydro-pyridine-3,5-dicarbo-nitrile.

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Jul 26; Vol. 78 (Pt 8), pp. 833-839. Date of Electronic Publication: 2022 Jul 26 (Print Publication: 2022).

Abstract:In 2-amino-4-(4-bromo-phen-yl)-6-oxo-1-phenyl-1,4,5,6-tetra-hydro-pyridine-3-carbo-nitrile hemihydrate, C 18 H 14 BrN 3 O·0.5H 2 O, (I), pairs of mol-ecules are linked by pairs of N-H⋯N hydrogen bonds, forming dimers with an R 2 2 (12) ...

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Crystal structure and Hirshfeld surface analysis of a new polymorph of ( E )-2-(4-bromo-phen-yl)-1-[2,2-di-bromo-1-(3-nitro-phen-yl)ethen-yl]diazene.

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Jul 14; Vol. 78 (Pt 8), pp. 804-808. Date of Electronic Publication: 2022 Jul 14 (Print Publication: 2022).

Abstract:A new polymorph of the title compound, C 14 H 8 Br 3 N 3 O 2 , (form-2) was obtained in the same manner as the previously reported form-1 [Akkurt et al. (2022 ▸). Acta Cryst. E 78 , 732-736]. The structure of the new polymorph is stabilized by a C-H⋯O ...

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Crystal structure and Hirshfeld surface analysis of 2-(4-bromo-phen-yl)-4-methyl-6-oxo-1-phenyl-1,6-di-hydro-pyridine-3-carbo-nitrile.

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Jul 05; Vol. 78 (Pt 8), pp. 761-765. Date of Electronic Publication: 2022 Jul 05 (Print Publication: 2022).

Abstract:In the title compound, C 19 H 13 BrN 2 O, the pyridine ring is essentially planar [maximum deviation = 0.024 (4) Å for the N atom] and makes dihedral angles of 74.6 (2) and 65.8 (2)°, respectively, with the phenyl and bromo-phenyl rings, which subtend ...

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Crystal structure and Hirshfeld surface analysis of ( E )-2-(4-bromo-phen-yl)-1-[2,2-di-bromo-1-(4-nitro-phen-yl)ethen-yl]diazene.

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Jun 16; Vol. 78 (Pt 7), pp. 732-736. Date of Electronic Publication: 2022 Jun 16 (Print Publication: 2022).

Abstract:The mol-ecule of the title compound, C 14 H 8 Br 3 N 3 O 2 , consists of three almost planar groups: the central di-bromo-ethenyldiazene fragment and two attached aromatic rings. The mean planes of these rings form dihedral angles with the plane of the...

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Crystal structure and Hirshfeld surface analysis of 4-bromo-2-[3-methyl-5-(2,4,6-tri-methyl-benz-yl)oxazolidin-2-yl]phenol.

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Jun 10; Vol. 78 (Pt 7), pp. 695-698. Date of Electronic Publication: 2022 Jun 10 (Print Publication: 2022).

Abstract:The title compound, C 20 H 24 BrNO 2 , is chiral at the carbon atoms on either side of the oxygen atom of the oxazolidine ring and crystallizes as a racemate. The 1,3-oxazolidine ring adopts an envelope conformation with the N atom in an endo position....

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Crystal structure and Hirshfeld surface analysis of 2,2'-(phenyl-aza-nedi-yl)bis-(1-phenyl-ethan-1-one).

Publication Type:Academic Journal

Source(s):Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2022 Jun 07; Vol. 78 (Pt 7), pp. 691-694. Date of Electronic Publication: 2022 Jun 07 (Print Publication: 2022).

Abstract:The whole mol-ecule of the title compound, C 22 H 19 NO 2 , is generated by twofold rotational symmetry. The N atom exhibits a trigonal-planar geometry and is located on the twofold rotation axis. In the crystal, mol-ecules are linked by C-H⋯O contacts...

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