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Gusak MY, Kinzhalov MA, Frontera A, Bokach NA, Kukushkin VY. Metal-Induced Enhancement of Tetrel Bonding. The Case of C⋅⋅⋅X-Ir III (X=Cl, Br) Tetrel Bond Involving a Methyl Group. Chem Asian J 2024; 19:e202400421. [PMID: 38788128 DOI: 10.1002/asia.202400421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/16/2024] [Accepted: 05/24/2024] [Indexed: 05/26/2024]
Abstract
In X-ray structures of the isomorphic mer-[IrX3(THT)(CNXyl)2] (X=Cl 1, Br 2; THT=tetrahydrothiophene; Xyl=2,6-Me2C6H3-) complexes, we revealed short intermolecular contacts between the C-atom of an isocyanide methyl group and halide ligands of another molecule. Geometrical consideration of the X-ray data and analysis of appropriate DFT studies allowed the attribution of these contacts to CMe⋅⋅⋅X-IrIII (X=Cl, Br) tetrel bond. Specifically, through the application of DFT calculations and various theoretical models, the presence of tetrel bonding interactions was validated, and the contribution of the CMe⋅⋅⋅X-IrIII interaction was assessed. The reinforcement of the tetrel bond upon the isocyanide coordination to iridium(III) is substantiated by molecular electrostatic potential (MEP) surface calculations. To distinguish the tetrel bonding characteristics of CMe⋅⋅⋅X-IrIII (X=Cl, Br) interactions from conventional hydrogen bonding, we employed multiple computational methodologies, including Natural Bond Orbital (NBO) analysis and Electron Localization Function (ELF) analysis. Additionally, Energy Decomposition Analysis (EDA) was applied to selected model systems to explore the underlying physical nature of these interactions.
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Affiliation(s)
- Mikhail Yu Gusak
- Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russian Federation
| | - Mikhail A Kinzhalov
- Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russian Federation
| | - Antonio Frontera
- Department of Chemistry, Universitat de les Illes Balears, Crta de Valldemossa km 7.5., 07122, Palma de Mallorca (Baleares), Spain
| | - Nadezhda A Bokach
- Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russian Federation
| | - Vadim Yu Kukushkin
- Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russian Federation
- Institute of Chemistry and Pharmaceutical Technologies, Altai State University, 656049, Barnaul, Russian Federation
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2
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Zhong L, Huang R, Gao L, Yue J, Zhao B, Nie L, Li L, Wu A, Zhang K, Meng Z, Cao G, Zhang H, Zang H. A Novel Variable Selection Method Based on Binning-Normalized Mutual Information for Multivariate Calibration. Molecules 2023; 28:5672. [PMID: 37570642 PMCID: PMC10419756 DOI: 10.3390/molecules28155672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 08/13/2023] Open
Abstract
Variable (wavelength) selection is essential in the multivariate analysis of near-infrared spectra to improve model performance and provide a more straightforward interpretation. This paper proposed a new variable selection method named binning-normalized mutual information (B-NMI) based on information entropy theory. "Data binning" was applied to reduce the effects of minor measurement errors and increase the features of near-infrared spectra. "Normalized mutual information" was employed to calculate the correlation between each wavelength and the reference values. The performance of B-NMI was evaluated by two experimental datasets (ideal ternary solvent mixture dataset, fluidized bed granulation dataset) and two public datasets (gasoline octane dataset, corn protein dataset). Compared with classic methods of backward and interval PLS (BIPLS), variable importance projection (VIP), correlation coefficient (CC), uninformative variables elimination (UVE), and competitive adaptive reweighted sampling (CARS), B-NMI not only selected the most featured wavelengths from the spectra of complex real-world samples but also improved the stability and robustness of variable selection results.
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Affiliation(s)
- Liang Zhong
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Ruiqi Huang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Lele Gao
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Jianan Yue
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Bing Zhao
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Lei Nie
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Lian Li
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Aoli Wu
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Kefan Zhang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
| | - Zhaoqing Meng
- Shandong Hongjitang Pharmaceutical Group Co. Ltd., Jinan 250103, China; (Z.M.); (G.C.)
| | - Guiyun Cao
- Shandong Hongjitang Pharmaceutical Group Co. Ltd., Jinan 250103, China; (Z.M.); (G.C.)
| | - Hui Zhang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
- National Glycoengineering Research Center, Shandong University, Jinan 250012, China
| | - Hengchang Zang
- NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China; (L.Z.); (R.H.); (L.G.); (J.Y.); (B.Z.); (L.N.); (L.L.); (A.W.); (K.Z.)
- National Glycoengineering Research Center, Shandong University, Jinan 250012, China
- Key Laboratory of Chemical Biology, Ministry of Education, Shandong University, Jinan 250012, China
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3
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Triarylazoimidazole-ZnII, CdII, and HgII Complexes: Structures, Photophysics, and Antibacterial Properties. CRYSTALS 2022. [DOI: 10.3390/cryst12050680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Novel triarylazoimidazoles containing strong electron donors (p-NEt2) or acceptors (p-NO2) by the azoaryl group, and their group 12 metal complexes were synthesized and fully characterized, including X-ray analysis for several complexes. Novel complexes exhibit red photo-luminescence emission (Φ up to 0.21) in a solution. Moreover, the antibacterial activity of complexes was tested against Gram-positive microorganism S. aureus and Gram-negative microorganism E. coli.
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Exploring Supramolecular Assembly Space of Cationic 1,2,4-Selenodiazoles: Effect of the Substituent at the Carbon Atom and Anions. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27031029. [PMID: 35164294 PMCID: PMC8839610 DOI: 10.3390/molecules27031029] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/15/2022] [Accepted: 01/27/2022] [Indexed: 12/23/2022]
Abstract
Chalcogenodiazoles have been intensively studied in recent years in the context of their supramolecular chemistry. In contrast, the newly discovered cationic 1,2,4-selenodiazole supramolecular building blocks, which can be obtained via coupling between 2-pyridylselenyl halides and nitriles, are virtually unexplored. A significant advantage of the latter is their facile structural tunability via the variation of nitriles, which could allow a fine tuning of their self-assembly in the solid state. Here, we explore the influence of the substituent (which derives from the nitrile) and counterions on the supramolecular assembly of cationic 1,2,4-selenodiazoles via chalcogen bonding.
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Mikshiev VY, Tolstoy P, Tupikina EY, Puzyk AM, Vovk MA. Acid catalysis through N-protonation in undistorted carboxamides: improvement of amide proton sponge acylating ability. NEW J CHEM 2022. [DOI: 10.1039/d2nj02975h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Acid catalysis of weakly distorted or undistorted carboxamides in acyl-migration reactions proceeding through N-protonation is the process with low probability in contrast to O-protonation. This circumstance made the experimental study...
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An X, Yang X, Li Q. Tetrel Bonds between Phenyltrifluorosilane and Dimethyl Sulfoxide: Influence of Basis Sets, Substitution and Competition. Molecules 2021; 26:molecules26237231. [PMID: 34885810 PMCID: PMC8658981 DOI: 10.3390/molecules26237231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022] Open
Abstract
Ab initio calculations have been performed for the complexes of DMSO and phenyltrifluorosilane (PTS) and its derivatives with a substituent of NH3, OCH3, CH3, OH, F, CHO, CN, NO2, and SO3H. It is necessary to use sufficiently flexible basis sets, such as aug’-cc-pVTZ, to get reliable results for the Si···O tetrel bonds. The tetrel bond in these complexes has been characterized in views of geometries, interaction energies, orbital interactions and topological parameters. The electron-donating group in PTS weakens this interaction and the electron-withdrawing group prominently strengthens it to the point where it exceeds that of the majority of hydrogen bonds. The largest interaction energy occurs in the p-HO3S-PhSiF3···DMSO complex, amounting to −122 kJ/mol. The strong Si···O tetrel bond depends to a large extent on the charge transfer from the O lone pair into the empty p orbital of Si, although it has a dominant electrostatic character. For the PTS derivatives of NH2, OH, CHO and NO2, the hydrogen bonded complex is favorable to the tetrel bonded complex for the NH2 and OH derivatives, while the σ-hole interaction prefers the π-hole interaction for the CHO and NO2 derivatives.
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Affiliation(s)
- Xiulin An
- College of Life Science, Yantai University, Yantai 264005, China;
| | - Xin Yang
- The Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China;
| | - Qingzhong Li
- The Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China;
- Correspondence:
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7
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Lai Z, Li A, Peng S, Sessler JL, He Q. Trimacrocyclic hexasubstituted benzene linked by labile octahedral [X(CHCl 3) 6] - clusters. Chem Sci 2021; 12:11647-11651. [PMID: 34659699 PMCID: PMC8442620 DOI: 10.1039/d1sc03713g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 08/11/2021] [Indexed: 11/21/2022] Open
Abstract
Crystalline supramolecular architectures mediated by cations, anions, ion pairs or neutral guest species are well established. However, the robust crystallization of a well-designed receptor mediated by labile anionic solvate clusters remains unexplored. Herein, we describe the synthesis and crystalline behaviors of a trimacrocyclic hexasubstituted benzene 2 in the presence of guanidium halide salts and chloroform. Halide hexasolvate clusters, viz. [Cl(CHCl3)6]-, [Br(CHCl3)6]-, and [I(CHCl3)6]-, were found to be critical to the crystallization process, as suggested by the single-crystal structures, X-ray powder diffraction (XRPD), thermogravimetric analysis (TGA), scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS), and NMR spectroscopy. This study demonstrates the hitherto unexpected role that labile ionic solvate clusters can play in stabilizing supramolecular architectures.
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Affiliation(s)
- Zhenzhen Lai
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China
| | - Aimin Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China
| | - Sangshan Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin 105 East 24th Street, Stop A5300 Austin Texas 78712 USA
| | - Qing He
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University Changsha 410082 P. R. China
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8
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Jezierska A, Błaziak K, Klahm S, Lüchow A, Panek JJ. Non-Covalent Forces in Naphthazarin-Cooperativity or Competition in the Light of Theoretical Approaches. Int J Mol Sci 2021; 22:ijms22158033. [PMID: 34360798 PMCID: PMC8348774 DOI: 10.3390/ijms22158033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 12/27/2022] Open
Abstract
Non-covalent interactions responsible for molecular features and self-assembly in Naphthazarin C polymorph were investigated on the basis of diverse theoretical approaches: Density Functional Theory (DFT), Diffusion Quantum Monte Carlo (DQMC), Symmetry-Adapted Perturbation Theory (SAPT) and Car-Parrinello Molecular Dynamics (CPMD). The proton reaction paths in the intramolecular hydrogen bridges were studied. Two potential energy minima were found indicating that the proton transfer phenomena occur in the electronic ground state. Diffusion Quantum Monte Carlo (DQMC) and other levels of theory including Coupled Cluster (CC) employment enabled an accurate inspection of Potential Energy Surface (PES) and revealed the energy barrier for the proton transfer. The structure and reactivity evolution associated with the proton transfer were investigated using Harmonic Oscillator Model of Aromaticity - HOMA index, Fukui functions and Atoms In Molecules (AIM) theory. The energy partitioning in the studied dimers was carried out based on Symmetry-Adapted Perturbation Theory (SAPT) indicating that dispersive forces are dominant in the structure stabilization. The CPMD simulations were performed at 60 K and 300 K in vacuo and in the crystalline phase. The temperature influence on the bridged protons dynamics was studied and showed that the proton transfer phenomena were not observed at 60 K, but the frequent events were noticed at 300 K in both studied phases. The spectroscopic signatures derived from the CPMD were computed using Fourier transformation of autocorrelation function of atomic velocity for the whole molecule and bridged protons. The computed gas-phase IR spectra showed two regions with OH absorption that covers frequencies from 2500 cm−1 to 2800 cm−1 at 60 K and from 2350 cm−1 to 3250 cm−1 at 300 K for both bridged protons. In comparison, the solid state computed IR spectra revealed the environmental influence on the vibrational features. For each of them absorption regions were found between 2700–3100 cm−1 and 2400–2850 cm−1 at 60 K and 2300–3300 cm−1 and 2300–3200 cm−1 at 300 K respectively. Therefore, the CPMD study results indicated that there is a cooperation of intramolecular hydrogen bonds in Naphthazarin molecule.
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Affiliation(s)
- Aneta Jezierska
- Faculty of Chemistry, University of Wrocław, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland;
- Correspondence: (A.J.); (K.B.)
| | - Kacper Błaziak
- Faculty of Chemistry, University of Warsaw, ul. Pasteura 1, 01-224 Warsaw, Poland
- Biological and Chemical Research Center, University of Warsaw, Żwirki i Wigury 101, 01-224 Warsaw, Poland
- Correspondence: (A.J.); (K.B.)
| | - Sebastian Klahm
- Institute of Physical Chemistry, RWTH Aachen University, 52056 Aachen, Germany; (S.K.); (A.L.)
| | - Arne Lüchow
- Institute of Physical Chemistry, RWTH Aachen University, 52056 Aachen, Germany; (S.K.); (A.L.)
| | - Jarosław J. Panek
- Faculty of Chemistry, University of Wrocław, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland;
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Pachisia S, Kishan R, Yadav S, Gupta R. Half-Sandwich Ruthenium Complexes of Amide-Phosphine Based Ligands: H-Bonding Cavity Assisted Binding and Reduction of Nitro-substrates. Inorg Chem 2021; 60:2009-2022. [PMID: 33459009 DOI: 10.1021/acs.inorgchem.0c03505] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We present synthesis and characterization of two half-sandwich Ru(II) complexes supported with amide-phosphine based ligands. These complexes presented a pyridine-2,6-dicarboxamide based pincer cavity, decorated with hydrogen bonds, that participated in the binding of nitro-substrates closer to the Ru(II) centers, which is further supported with binding and docking studies. These ruthenium complexes functioned as the noteworthy catalysts for the borohydride mediated reduction of assorted nitro-substrates. Mechanistic studies not only confirmed the intermediacy of [Ru-H] in the reduction but also asserted the involvement of several organic intermediates during the course of the catalysis. A similar Ru(II) complex that lacked pyridine-2,6-dicarboxamide based pincer cavity substantiated its unique role both in the substrate binding and the subsequent catalysis.
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Affiliation(s)
- Sanya Pachisia
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ram Kishan
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Samanta Yadav
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Rajeev Gupta
- Department of Chemistry, University of Delhi, Delhi 110007, India
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Likhitha U, Narayana B, Sarojini B, Madan Kumar S, Karthick T. Crystallographic and theoretical interpretation of supramolecular architecture in a new salt hydrate of DL-Tartaric acid and Dimethylamine (DLTA-DA). J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yunusova SN, Bolotin DS, Vovk MA, Tolstoy PM, Kukushkin VY. Tetrabromomethane as an Organic Catalyst: a Kinetic Study of CBr
4
‐Catalyzed Schiff Condensation. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Sevilya N. Yunusova
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
| | - Dmitrii S. Bolotin
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
| | - Mikhail A. Vovk
- Center for Magnetic Resonance Saint Petersburg State University Saint Petersburg Russian Federation
| | - Peter M. Tolstoy
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry Saint Petersburg State University Universitetskaya Nab. 7/9 Saint Petersburg Russian Federation
- Laboratory of Crystal Engineering of Functional Materials South Ural State University 76, Lenin Av. 454080 Chelyabinsk Russian Federation
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Tendyck JC, Klöcker H, Schürmann L, Würthwein EU, Hepp A, Layh M, Uhl W. Aspects of Phosphaallene Chemistry: Heat-Induced Formation of 1,2-Dihydrophosphetes by Intramolecular Nucleophilic Aromatic Substitution and Photochemical Generation of Tricyclic Phosphiranes. J Org Chem 2020; 85:14315-14332. [PMID: 32022561 DOI: 10.1021/acs.joc.9b03056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
3H-Phosphaallenes are accessible on a new and facile route and show a fascinating chemical behavior. The thermally induced rearrangement of Mes*P═C═C(H)R' (R' = tBu, Ad) afforded by C-H activation, isobutene elimination, and C-C and P-H bond formation bicyclic 1-benzo-dihydrophosphetes (2) with PC3 heterocycles. DFT calculations suggest a mechanism with intramolecular nucleophilic aromatic substitution and replacement of an alkyl group by the nucleophilic α-C atom of the phosphaallene. These bicycles formed W(CO)5 complexes (3) or afforded 1,2-dihydrophosphetes with P-bound alkenyl groups by catalyst-free hydrophosphination of alkynes (4 and 5). The resulting bulky phosphines formed complexes with IrCp*Cl2, RuCl2, AuCl, or CuO3SCF3. The Ru atom is coordinated by the P atom and a phenyl group. Irradiation of TripP═C═C(H)tBu led by the insertion of the central C atom of the P═C═C group into the α-C-H bond of an iPr substituent and by C-C and P-C bond formation to a new isomer of phosphaallenes, 10, which features a strained PC2 heterocycle. It formed adducts with M(CO)5 (M = Cr, Mo, W) and AuCl and reacted with SO2Cl2 by cleavage of one of the phosphirane P-C bonds to yield PC4 or PC5 heterocycles. Hydrolysis yielded a PC5 compound with a P(O)Cl group.
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Affiliation(s)
- Jonas C Tendyck
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Hans Klöcker
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Lina Schürmann
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Ernst-Ulrich Würthwein
- Organisch-chemisches Institut and Center for Multiscale Theory and Computation (CMTC), Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Marcus Layh
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Werner Uhl
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
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Yunusova SN, Novikov AS, Khoroshilova OV, Kolesnikov IE, Demakova MY, Bolotin DS. Solid-state fluorescent 1,2,4-triazole zinc(II) complexes: Self-organization via bifurcated (N H)2⋯Cl contacts. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119660] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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14
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Bolotin DS, Soldatova NS, Demakova MY, Novikov AS, Ivanov DM, Aliyarova IS, Sapegin A, Krasavin M. Pentacoordinated silver(I) complex featuring 8-phenylquinoline ligands: Interplay of coordination bonds, semicoordination, and stacking interactions. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119453] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Repina OV, Novikov AS, Khoroshilova OV, Kritchenkov AS, Vasin AA, Tskhovrebov AG. Lasagna-like supramolecular polymers derived from the PdII osazone complexes via C(sp2)–H⋯Hal hydrogen bonding. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119378] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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16
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Mikshiev VY, Pozharskii AF, Filarowski A, Novikov AS, Antonov AS, Tolstoy PM, Vovk MA, Khoroshilova OV. How Strong is Hydrogen Bonding to Amide Nitrogen? Chemphyschem 2020; 21:651-658. [PMID: 31953976 DOI: 10.1002/cphc.201901104] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/18/2019] [Indexed: 12/23/2022]
Abstract
The protonation of the carboxamide nitrogen atom is an essential part of in vivo and in vitro processes (cis-trans isomerization, amides hydrolysis etc). This phenomenon is well studied in geometrically strongly distorted amides, although there is little data concerning the protonation of undistorted amides. In the latter case, the participation of amide nitrogen in hydrogen bonding (which can be regarded as the incipient state of a proton transfer process) is less well-studied. Thus, it would be a worthy goal to investigate the enthalpy of this interaction. We prepared and investigated a set of peri-substituted naphthalenes containing the protonated dimethylamino group next to the amide nitrogen atom ("amide proton sponges"), which could serve as models for the study of an intramolecular hydrogen bond with the amide nitrogen atom. X-Ray analysis, NMR spectra, basicity values as well as quantum chemical calculations revealed the existence of a hydrogen bond with the amide nitrogen, that should be attributed to the borderline between moderate and weak intramolecular hydrogen bonds (2-7 kcal ⋅ mol-1 ).
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Affiliation(s)
- Vladimir Y Mikshiev
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russian Federation
| | - Alexander F Pozharskii
- Department of Organic Chemistry, Southern Federal University, Zorge str. 7, 344090, Rostov-on-Don, Russian Federation
| | - Alexander Filarowski
- Faculty of Chemistry, Wroclaw University, F. Joliot-Curie str. 14, 50-383, Wroclaw, Poland
- Industrial University of Tyumen, Volodarskogo str. 38, 625000, Tyumen, Russian Federation
| | - Alexander S Novikov
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russian Federation
| | - Alexander S Antonov
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russian Federation
| | - Peter M Tolstoy
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russian Federation
| | - Mikhail A Vovk
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russian Federation
| | - Olesya V Khoroshilova
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russian Federation
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17
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Structures and energetics of clusters surrounding diatomic anions stabilized by hydrogen, halogen, and other noncovalent bonds. Chem Phys 2020. [DOI: 10.1016/j.chemphys.2019.110590] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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18
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Intermolecular interactions-photophysical properties relationships in phenanthrene-9,10-dicarbonitrile assemblies. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.07.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Il’in MV, Lesnikova LA, Bolotin DS, Novikov AS, Suslonov VV, Kukushkin VY. A one-pot route to N-acyl ureas: a formal four-component hydrolytic reaction involving aminonitrones and isocyanide dibromides. NEW J CHEM 2020. [DOI: 10.1039/c9nj05445f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A one-pot route to N-acyl ureas proceeds via generation of electrophilically activated 2-substituted 1,2,4-oxadiazolium salts. The conformation of the N-acyl ureas is stabilized via moderate strength (6.2–7.8 kcal mol−1) resonance-assisted hydrogen bonds.
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Affiliation(s)
- Mikhail V. Il’in
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Liana A. Lesnikova
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Dmitrii S. Bolotin
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Alexander S. Novikov
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Vitalii V. Suslonov
- Center for X-ray Diffraction Studies
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
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20
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Zimin DP, Dar'in DV, Eliseeva AA, Novikov AS, Rassadin VA, Kukushkin VY. Gold-Catalyzed Functionalization of Semicarbazides with Terminal Alkynes to Achieve Substituted Semicarbazones. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901108] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Dmitry P. Zimin
- Institute of Chemistry; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Dmitry V. Dar'in
- Institute of Chemistry; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Anastasiya A. Eliseeva
- Institute of Chemistry; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Alexander S. Novikov
- Institute of Chemistry; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Valentin A. Rassadin
- Institute of Chemistry; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 Saint Petersburg Russian Federation
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21
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Tupikina EY, Denisov GS, Tolstoy PM. Anticooperativity of FH···Cl
−
hydrogen bonds in [FH)
n
Cl]
−
clusters (
n
= 1…6). J Comput Chem 2019; 40:2858-2867. [DOI: 10.1002/jcc.26066] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/19/2019] [Accepted: 08/22/2019] [Indexed: 01/18/2023]
Affiliation(s)
- Elena Yu. Tupikina
- Institute of ChemistrySt. Petersburg State University, Universitetsky pr. 26, 198504 Russia
- Department of PhysicsSt. Petersburg State University Uljanovskaja 1 St. Petersburg 198504 Russia
| | - Gleb S. Denisov
- Department of PhysicsSt. Petersburg State University Uljanovskaja 1 St. Petersburg 198504 Russia
| | - Peter M. Tolstoy
- Institute of ChemistrySt. Petersburg State University, Universitetsky pr. 26, 198504 Russia
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22
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Scheiner S, Michalczyk M, Zierkiewicz W. Structures of clusters surrounding ions stabilized by hydrogen, halogen, chalcogen, and pnicogen bonds. Chem Phys 2019. [DOI: 10.1016/j.chemphys.2019.05.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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23
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Supramolecular polymers derived from the PtII and PdII schiff base complexes via C(sp2)–H … Hal hydrogen bonding: Combined experimental and theoretical study. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.01.023] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Gorokh ID, Adonin SA, Novikov AS, Sokolov MN, Samsonenko DG, Fedin VP. Polybromides of pyridinium and quinolinium-type cations: Cation-induced structural diversity and theoretical analysis of Br⋯Br interactions. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.11.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Il’in MV, Sysoeva AA, Bolotin DS, Novikov AS, Suslonov VV, Rogacheva EV, Kraeva LA, Kukushkin VY. Aminonitrones as highly reactive bifunctional synthons. An expedient one-pot route to 5-amino-1,2,4-triazoles and 5-amino-1,2,4-oxadiazoles – potential antimicrobials targeting multi-drug resistant bacteria. NEW J CHEM 2019. [DOI: 10.1039/c9nj04529e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A four-component one-pot reaction proceeds very rapidly under mild conditions and gives the heterocyclic systems in good yields.
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Affiliation(s)
- Mikhail V. Il’in
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Alexandra A. Sysoeva
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Dmitrii S. Bolotin
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Alexander S. Novikov
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Vitalii V. Suslonov
- Center for X-ray Diffraction Studies
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | | | - Liudmila A. Kraeva
- Saint Petersburg Pasteur Institute
- Saint Petersburg
- Russian Federation
- S. M. Kirov Military Medical Academy
- Saint Petersburg
| | - Vadim Yu. Kukushkin
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
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26
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27
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Samie A, Salimi A. Conformational variation of ligands in mercury halide complexes; high and low Z′ structures. CrystEngComm 2019. [DOI: 10.1039/c9ce00185a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Small changes in the ligand resulted in a conformational variation of LPy to LPz which led to high and low Z′ structures in the corresponding metal complexes.
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Affiliation(s)
- Ali Samie
- Department of Chemistry
- Faculty of Science
- Ferdowsi University of Mashhad
- Mashhad
- Iran
| | - Alireza Salimi
- Department of Chemistry
- Faculty of Science
- Ferdowsi University of Mashhad
- Mashhad
- Iran
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28
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Kinzhalov MA, Novikov AS, Khoroshilova OV, Bokach NA. The Structure of 2-Methylphenylcyanamide in the Solid State. J STRUCT CHEM+ 2018. [DOI: 10.1134/s0022476618060082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Kinzhalov MA, Baykov SV, Novikov AS, Haukka M, Boyarskiy VP. Intermolecular hydrogen bonding H···Cl in crystal structure of palladium(II)-bis(diaminocarbene) complex. Z KRIST-CRYST MATER 2018. [DOI: 10.1515/zkri-2018-2100] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Abstract
The reaction of bis(isocyanide)palladium complex cis-[PdCl2(CNXyl)2] (Xyl=2,6-Me2C6H3) with excess of 4,5-dichlorobenzene-1,2-amine in a C2H4Cl2/MeOH mixture affords monocationic bis(diaminocarbene) complex cis-[PdClC{(NHXyl)=NHC6H2Cl2
NH2}{C(NHXyl)=NHC6H2Cl2NH2}]Cl (3) in moderate yield (42%). Complex 3 exists in the solid phase in the H-bonded dimeric associate of two single charged organometallic cations and two chloride anions according to X-ray diffraction data. The Hirshfeld surface analysis for the X-ray structure of 3 reveals that the crystal packing is determined primarily by intermolecular contacts H–Cl, H–H, and H–C. The intermolecular hydrogen bonds N–H···Cl and C–H···Cl in the H-bonded dimeric associate of 3 were studied by DFT calculations and topological analysis of the electron density distribution within the framework of QTAIM method, and estimated energies of these supramolecular contacts vary from 1.6 to 9.1 kcal/mol. Such non-covalent bonding means that complex 3 is an anionic receptor for the chloride anions.
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Affiliation(s)
- Mikhail A. Kinzhalov
- Saint Petersburg State University , Universitetskaya Nab. 7/9 , St. Petersburg 199034 , Russian Federation
| | - Sergey V. Baykov
- Saint Petersburg State University , Universitetskaya Nab. 7/9 , St. Petersburg 199034 , Russian Federation
| | - Alexander S. Novikov
- Saint Petersburg State University , Universitetskaya Nab. 7/9 , St. Petersburg 199034 , Russian Federation
| | - Matti Haukka
- Department of Chemistry , University of Jyväskylä , P.O. Box 35 , Jyväskylä FI-40014 , Finland
| | - Vadim P. Boyarskiy
- Saint Petersburg State University , Universitetskaya Nab. 7/9 , St. Petersburg 199034 , Russian Federation
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30
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Kryukova MA, Sapegin AV, Novikov AS, Krasavin M, Ivanov DM. Non-covalent interactions observed in nevirapinium pentaiodide hydrate which include the rare I4–I−···O=C halogen bonding. Z KRIST-CRYST MATER 2018. [DOI: 10.1515/zkri-2018-2081] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In the course of screening for novel crystalline forms of antiviral drug nevirapine, co-crystallization of the latter with molecular iodine was attempted. This resulted in the formation of a hydrate salt form composed of the protonated nevirapinium cation and pentaiodide anion. In the X-ray structure of NVPH+I5
−·H2O, halogen and hydrogen bonding interactions were identified and studied by DFT calculations and topological analysis of the electron density distribution within the framework of QTAIM method at the B3LYP/DZP-DKH and M06/DZP-DKH levels of theory. Estimated energies of these contacts are 1.3–9.4 kcal/mol.
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Affiliation(s)
- Mariya A. Kryukova
- Saint Petersburg State University , Saint Petersburg 199034 , Russian Federation
| | - Alexander V. Sapegin
- Saint Petersburg State University , Saint Petersburg 199034 , Russian Federation
| | - Alexander S. Novikov
- Saint Petersburg State University , Saint Petersburg 199034 , Russian Federation
| | - Mikhail Krasavin
- Saint Petersburg State University , Saint Petersburg 199034 , Russian Federation
| | - Daniil M. Ivanov
- Saint Petersburg State University , Saint Petersburg 199034 , Russian Federation
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31
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Panova YS, Sheyanova AV, Zolotareva NV, Sushev VV, Arapova AV, Novikov AS, Baranov EV, Fukin GK, Kornev AN. 2,2′‐Azobispyridine in Phosphorus Coordination Chemistry: A New Approach to 1,2,4,3‐Triazaphosphole Derivatives. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800831] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Yulia S. Panova
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
| | - Alexandra V. Sheyanova
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
| | - Nataliya V. Zolotareva
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
| | - Vyacheslav V. Sushev
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
| | - Alla V. Arapova
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
| | - Alexander S. Novikov
- Saint Petersburg State University 7/9 Universitetskaya Nab. 199034 Saint Petersburg Russia
| | - Evgenii V. Baranov
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
- Chemical Department Lobachevsky State University of Nizhny Novgorod 23 Gagarina Pr. 603950 Nizhny Novgorod Russia
| | - Georgy K. Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
| | - Alexander N. Kornev
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinin str. 603137 Nizhny Novgorod Russia
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32
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Zelenkov LE, Ivanov DM, Avdontceva MS, Novikov AS, Bokach NA. Tetrachloromethane as halogen bond donor toward metal-bound halides. ACTA ACUST UNITED AC 2018. [DOI: 10.1515/zkri-2018-2111] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Abstract
Two annulated triazapentadiene systems, viz. 1,3,5,7,9-pentaazanona-1,3,6,8-tetraenate chloride complexes of PtII, form CCl4 solvates, containing the Cl3C–Cl···Cl–Pt halogen bonds. These halogen bonds are firstly reported type of Cl3C–Cl···Cl–M contacts. In the X-ray structures of two solvates different non-covalent interactions were detected and studied by DFT calculations and topological analysis of the electron density distribution within the framework of QTAIM method at the M06/DZP-DKH level of theory. Estimated energies of these supramolecular contacts vary from 0.6 to 2.4 kcal/mol.
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Affiliation(s)
- Lev E. Zelenkov
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya Nab. , Saint Petersburg 199034 , Russian Federation
| | - Daniil M. Ivanov
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya Nab. , Saint Petersburg 199034 , Russian Federation
| | - Margarita S. Avdontceva
- Institute of Earth Sciences, Saint Petersburg State University, 7/9 Universitetskaya Nab. , Saint Petersburg 199034 , Russian Federation
| | - Alexander S. Novikov
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya Nab. , Saint Petersburg 199034 , Russian Federation
| | - Nadezhda A. Bokach
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya Nab. , Saint Petersburg 199034 , Russian Federation
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33
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Adonin SA, Bondarenko MA, Abramov PA, Novikov AS, Plyusnin PE, Sokolov MN, Fedin VP. Bromo- and Polybromoantimonates(V): Structural and Theoretical Studies of Hybrid Halogen-Rich Halometalate Frameworks. Chemistry 2018; 24:10165-10170. [PMID: 29683216 DOI: 10.1002/chem.201801338] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Indexed: 01/24/2023]
Abstract
Cation-dependent reactions "[SbBr6 ]3- +Br2 +HBr+CationBrx " result in the formation of bromide/polybromide complexes with zero-, one-, two-, or three-dimensional supramolecular frameworks and different Br/Sb ratios (up to 11). Seven new compounds representing six structural types were characterized by XRD and thermogravimetric analysis and DFT calculations enabled estimation of the energies of the Br⋅⋅⋅Br contacts (1.1-4.6 kcal mol-1 ).
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Affiliation(s)
- Sergey A Adonin
- Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, Lavrentieva St. 3, Novosibirsk, Russia.,Faculty of Natural Sciences, Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia
| | - Mikhail A Bondarenko
- Faculty of Natural Sciences, Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia
| | - Pavel A Abramov
- Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, Lavrentieva St. 3, Novosibirsk, Russia.,Faculty of Natural Sciences, Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia
| | - Alexander S Novikov
- Institute of Chemistry, Saint Petersburg State University, 199034, Universitetskaya Nab. 7-9, Saint Petersburg, Russia
| | - Pavel E Plyusnin
- Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, Lavrentieva St. 3, Novosibirsk, Russia.,Faculty of Natural Sciences, Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia
| | - Maxim N Sokolov
- Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, Lavrentieva St. 3, Novosibirsk, Russia.,Faculty of Natural Sciences, Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia
| | - Vladimir P Fedin
- Nikolaev Institute of Inorganic Chemistry SB RAS, 630090, Lavrentieva St. 3, Novosibirsk, Russia.,Faculty of Natural Sciences, Novosibirsk State University, 630090, Pirogova St. 2, Novosibirsk, Russia
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34
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Highly efficient and stereoselective cycloaddition of nitrones to indolyl- and pyrrolylacrylates. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.04.066] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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35
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Mikherdov AS, Kinzhalov MA, Novikov AS, Boyarskiy VP, Boyarskaya IA, Avdontceva MS, Kukushkin VY. Ligation-Enhanced π-Hole···π Interactions Involving Isocyanides: Effect of π-Hole···π Noncovalent Bonding on Conformational Stabilization of Acyclic Diaminocarbene Ligands. Inorg Chem 2018; 57:6722-6733. [PMID: 29792332 DOI: 10.1021/acs.inorgchem.8b01027] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The reaction of cis-[PdCl2(CNXyl)2] (Xyl = 2,6-Me2C6H3) with the aminoazoles [1 H-imidazol-2-amine (1), 4 H-1,2,4-triazol-3-amine (2), 1 H-tetrazol-5-amine (3), 1 H-benzimidazol-2-amine (4), 1-alkyl-1 H-benzimidazol-2-amines, where alkyl = Me (5), Et (6)] in a 2:1 ratio in the presence of a base in CHCl3 at RT proceeds regioselectively and leads to the binuclear diaminocarbene complexes [(ClPdCNXyl)2{μ-C(N-azolyl)N(Xyl)C═NXyl}] (7-12; 73-91%). Compounds 7-12 were characterized by C, H, N elemental analyses, high-resolution ESI+-MS, Fourier transform infrared spectroscopy, 1D (1H, 13C) and 2D (1H,1H-COSY, 1H,1H-NOESY, 1H,13C-HSQC, 1H,13C-HMBC) NMR spectroscopies, and X-ray diffraction (XRDn). Inspection of the XRDn data and results of the Hirshfeld surface analysis suggest the presence in all six structures of intramolecular π-holeisocyanide···πarene interactions between the electrophilic C atom of the isocyanide moiety and the neighboring arene ring. These interactions also result in distortion of the Pd-C≡N-Xyl fragment from the linearity. Results of density functional theory calculations [M06/MWB28 (Pd) and 6-31G* (other atoms) level of theory] for model structures of 7-9 followed by the topological analysis of the electron density distribution within the framework of Bader's theory (QTAIM method) reveal the presence of these weak interactions also in a CHCl3 solution, and their calculated strength is 1.9-2.2 kcal/mol. The natural bond orbital analysis of 7-9 revealed that π(C-C)Xyl → π*(C-N)isocyanide charge transfer (CT) takes place along with the intramolecular π-holeisocyanide···πarene interactions. The observed π(C-C)Xyl → π*(C-N)isocyanide CT is due to ligation of the isocyanide to the metal center, whereas in the cases of the uncomplexed p-CNC6H4NC and CNXyl species, the effects of CT are negligible. Available CCDC data were processed from the perspective of isocyanide-involving π-hole···π interactions, disclosed the role of metal coordination in the π-hole donor ability of isocyanides, and verified the π-holeisocyanide···πarene interaction effect on the stabilization of the in-conformation in metal-bound acyclic diaminocarbenes.
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Affiliation(s)
- Alexander S Mikherdov
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Mikhail A Kinzhalov
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Alexander S Novikov
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Vadim P Boyarskiy
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Irina A Boyarskaya
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Margarita S Avdontceva
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Vadim Yu Kukushkin
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
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36
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Mikherdov AS, Novikov AS, Kinzhalov MA, Boyarskiy VP, Starova GL, Ivanov AY, Kukushkin VY. Halides Held by Bifurcated Chalcogen–Hydrogen Bonds. Effect of μ(S,N–H)Cl Contacts on Dimerization of Cl(carbene)PdII Species. Inorg Chem 2018; 57:3420-3433. [DOI: 10.1021/acs.inorgchem.8b00190] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander S. Mikherdov
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
| | - Alexander S. Novikov
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
| | - Mikhail A. Kinzhalov
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
| | - Vadim P. Boyarskiy
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
| | - Galina L. Starova
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
| | - Alexander Yu. Ivanov
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
| | - Vadim Yu. Kukushkin
- Saint Petersburg State University, 7/9 Universitetskaya Nab., Saint Petersburg 199034, Russian Federation
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Intra-/Intermolecular Bifurcated Chalcogen Bonding in Crystal Structure of Thiazole/Thiadiazole Derived Binuclear (Diaminocarbene)PdII Complexes. CRYSTALS 2018. [DOI: 10.3390/cryst8030112] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The coupling of cis-[PdCl2(CNXyl)2] (Xyl = 2,6-Me2C6H3) with 4-phenylthiazol-2-amine in molar ratio 2:3 at RT in CH2Cl2 leads to binuclear (diaminocarbene)PdII complex 3c. The complex was characterized by HRESI+-MS, 1H NMR spectroscopy, and its structure was elucidated by single-crystal XRD. Inspection of the XRD data for 3c and for three relevant earlier obtained thiazole/thiadiazole derived binuclear diaminocarbene complexes (3a EYOVIZ; 3b: EYOWAS; 3d: EYOVOF) suggests that the structures of all these species exhibit intra-/intermolecular bifurcated chalcogen bonding (BCB). The obtained data indicate the presence of intramolecular S•••Cl chalcogen bonds in all of the structures, whereas varying of substituent in the 4th and 5th positions of the thiazaheterocyclic fragment leads to changes of the intermolecular chalcogen bonding type, viz. S•••π in 3a,b, S•••S in 3c, and S•••O in 3d. At the same time, the change of heterocyclic system (from 1,3-thiazole to 1,3,4-thiadiazole) does not affect the pattern of non-covalent interactions. Presence of such intermolecular chalcogen bonding leads to the formation of one-dimensional (1D) polymeric chains (for 3a,b), dimeric associates (for 3c), or the fixation of an acetone molecule in the hollow between two diaminocarbene complexes (for 3d) in the solid state. The Hirshfeld surface analysis for the studied X-ray structures estimated the contributions of intermolecular chalcogen bonds in crystal packing of 3a–d: S•••π (3a: 2.4%; 3b: 2.4%), S•••S (3c: less 1%), S•••O (3d: less 1%). The additionally performed DFT calculations, followed by the topological analysis of the electron density distribution within the framework of Bader’s theory (AIM method), confirm the presence of intra-/intermolecular BCB S•••Cl/S•••S in dimer of 3c taken as a model system (solid state geometry). The AIM analysis demonstrates the presence of appropriate bond critical points for these interactions and defines their strength from 0.9 to 2.8 kcal/mol indicating their attractive nature.
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Bikbaeva ZM, Ivanov DM, Novikov AS, Ananyev IV, Bokach NA, Kukushkin VY. Electrophilic-Nucleophilic Dualism of Nickel(II) toward Ni···I Noncovalent Interactions: Semicoordination of Iodine Centers via Electron Belt and Halogen Bonding via σ-Hole. Inorg Chem 2018; 56:13562-13578. [PMID: 29068669 DOI: 10.1021/acs.inorgchem.7b02224] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The nitrosoguanidinate complex [Ni{NH═C(NMe2)NN(O)}2] (1) was cocrystallized with I2 and sym-trifluorotriiodobenzene (FIB) to give associates 1·2I2 and 1·2FIB. Structures of these solid species were studied by XRD followed by topological analysis of the electron density distribution within the framework of Bader's approach (QTAIM) at the M06/DZP-DKH level of theory and Hirshfeld surface analysis. Our results along with inspection of XRD (CCDC) data, accompanied by the theoretical calculations, allowed the identification of three types of Ni···I contacts. The Ni···I semicoordination of the electrophilic nickel(II) center with electron belt of I2 was observed in 1·2I2, the metal-involving halogen bonding between the nucleophilic nickel(II)-dz2 center and σ-hole of iodine center was recognized and confirmed theoretically in the structure of [FeNi(CN)4(IPz)(H2O)]n (IPz = 4-N-coordinated 2-I-pyrazine), whereas the arrangement of FIB in 1·2FIB provides a boundary case between the semicoordination and the halogen Ni···I bondings. In 1·2I2 and 1·2FIB, noncovalent interactions were studied by variable temperature XRD detecting the expansion of noncovalent contacts with preservation of covalent bond lengths upon the temperature increase from 100 to 300 K. The nature and energies of all identified types of the Ni···I noncovalent interactions in the obtained (1·2I2 and 1·2FIB) and in the previously reported ([FeNi(CN)4(IPz)(H2O)]n, [NiL2](I3)2·2I2 (L = o-phenylene-bis(dimethylphosphine), [NiL]I2 (L = 1,4,8,11-tetra-azacyclotetradecane), Ni(en)2]n[AgI2]2n (en = ethylenediamine), and [NiL](ClO4) (L = 4-iodo-2-((2-(2-(2-pyridyl)ethylsulfanyl)ethylimino)methyl)-phenolate)) structures were studied theoretically. The estimated strengths of these Ni···I noncovalent contacts vary from 1.6 to 4.1 kcal/mol and, as expected, become weaker on heating. This work is the first emphasizing electrophilic-nucleophilic dualism of any metal center toward noncovalent interactions.
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Affiliation(s)
- Zarina M Bikbaeva
- Saint Petersburg State University , Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Daniil M Ivanov
- Saint Petersburg State University , Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Alexander S Novikov
- Saint Petersburg State University , Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Ivan V Ananyev
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , Vavilova St., 28, 119991 Moscow, Russian Federation
| | - Nadezhda A Bokach
- Saint Petersburg State University , Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
| | - Vadim Yu Kukushkin
- Saint Petersburg State University , Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russian Federation
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39
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Bulatova M, Melekhova AA, Novikov AS, Ivanov DM, Bokach NA. Redox reactive (RNC)CuII species stabilized in the solid state via halogen bond with I2. Z KRIST-CRYST MATER 2018. [DOI: 10.1515/zkri-2017-2107] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract
The crystal structure of [Cu2(μ-O)(μ-I)2(CNXyl)4]·I2 (2·I2) was determined from single-crystal X-ray diffraction data. The adduct 2·I2 represents the first example of structurally characterized isocyanide-copper(II) complexes. In the structure of 2·I2, 2 forms independent chains connected through molecular iodine via I···I–I···I halogen bonding. The DFT calculations and topological analysis of the electron density distribution within the formalism of Bader’s theory (QTAIM method) were performed for model complex 2·I2 and the obtained results allowed the attribution of these contacts to moderate strength (3.8–5.3 kcal/mol) non-covalent contacts exhibiting some covalent character.
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Affiliation(s)
- Margarita Bulatova
- Department of Chemistry , University of Jyväskylä , P.O. Box 35, FI-40014 , Finland; and Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg , Russian Federation
| | - Anna A. Melekhova
- Saint Petersburg State University, Universitetskaya Nab. 7/9 , 199034 Saint Petersburg , Russian Federation
| | - Alexander S. Novikov
- Saint Petersburg State University, Universitetskaya Nab. 7/9 , 199034 Saint Petersburg , Russian Federation
| | - Daniil. M. Ivanov
- Saint Petersburg State University, Universitetskaya Nab. 7/9 , 199034 Saint Petersburg , Russian Federation
| | - Nadezhda A. Bokach
- Saint Petersburg State University, Universitetskaya Nab. 7/9 , 199034 Saint Petersburg , Russian Federation
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Watson B, Grounds O, Borley W, Rosokha SV. Resolving the halogen vs. hydrogen bonding dichotomy in solutions: intermolecular complexes of trihalomethanes with halide and pseudohalide anions. Phys Chem Chem Phys 2018; 20:21999-22007. [DOI: 10.1039/c8cp03505a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Simultaneous (multivariable) treatments of UV-vis and NMR data yielded formation constants of halogen- and hydrogen-bonded complexes coexisting in solutions.
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Burianova VK, Bolotin DS, Mikherdov AS, Novikov AS, Mokolokolo PP, Roodt A, Boyarskiy VP, Dar’in D, Krasavin M, Suslonov VV, Zhdanov AP, Zhizhin KY, Kuznetsov NT. Mechanism of generation of closo-decaborato amidrazones. Intramolecular non-covalent B–H⋯π(Ph) interaction determines stabilization of the configuration around the amidrazone CN bond. NEW J CHEM 2018. [DOI: 10.1039/c8nj01018h] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Three types of N(H)-nucleophiles were used to study the nucleophilic addition to the CN group of the 2-propanenitrilium closo-decaborate cluster giving N-closo-decaborato amidrazones.
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42
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Melekhova AA, Novikov AS, Rostovskii NV, Sakharov PA, Panikorovskii TL, Bokach NA. Open-chain hemiketal is stabilized by coordination to a copper (II). INORG CHEM COMMUN 2017. [DOI: 10.1016/j.inoche.2017.03.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Melekhova AA, Smirnov AS, Novikov AS, Panikorovskii TL, Bokach NA, Kukushkin VY. Copper(I)-Catalyzed 1,3-Dipolar Cycloaddition of Ketonitrones to Dialkylcyanamides: A Step toward Sustainable Generation of 2,3-Dihydro-1,2,4-oxadiazoles. ACS OMEGA 2017; 2:1380-1391. [PMID: 31457510 PMCID: PMC6641119 DOI: 10.1021/acsomega.7b00130] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 03/24/2017] [Indexed: 05/03/2023]
Abstract
CuI-catalyzed cycloaddition (CA) of the ketonitrones, Ph2C=N+(R')O- (R' = Me, CH2Ph), to the disubstituted cyanamides, NCNR2 (R = Me2, Et2, (CH2)4, (CH2)5, (CH2)4O, C9H10, (CH2Ph)2, Ph(Me)), gives the corresponding 5-amino-substituted 2,3-dihydro-1,2,4-oxadiazoles (15 examples) in good to moderate yields. The reaction proceeds under mild conditions (CH2Cl2, RT or 45 °C) and requires 10 mol % of [Cu(NCMe)4](BF4) as the catalyst. The somewhat reduced yields are due to the individual properties of 2,3-dihydro-1,2,4-oxadiazoles, which easily undergo ring opening via N-O bond splitting. Results of density functional theory calculations reveal that the CA of ketonitrones to CuI-bound cyanamides is a concerted process, and the copper-catalyzed reaction is controlled by the predominant contribution of the HOMOdipole-LUMOdipolarophile interaction (group I by Sustmann's classification). The metal-involving process is much more asynchronous and profitable from both kinetic and thermodynamic viewpoints than the hypothetical metal-free reaction.
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44
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Kinzhalov MA, Novikov AS, Chernyshev AN, Suslonov VV. Intermolecular hydrogen bonding H···Cl− in the solid palladium(II)-diaminocarbene complexes. Z KRIST-CRYST MATER 2017. [DOI: 10.1515/zkri-2016-2018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Abstract
Weak intermolecular non-covalent H···Cl− interactions in the solid chelated palladium(II)-diaminocarbene complex cis-[PdCl(CNXyl){C(NHXyl)=NHC6H2Me2
NH2}]Cl (3; Xyl=2,6-Me2C6H3) were studied by XRD followed by appropriate DFT calculations. The N–H···Cl contacts for both NH groups in the carbene moiety are different (N1–H···Cl2 3.5258(19), N2–H···Cl2 3.0797(17) Å). The DFT calculations and topological analysis of the electron density distribution within the formalism of Bader’s theory (QTAIM method) were performed for a model cluster of the carbene complex 3. The theoretical data confirmed that the strength of intermolecular HB H···Cl− is different for two NH-protons of the carbene fragment. The influence of crystal packing effects on the formation of hydrogen bonds in the cluster of 3 is noticeable.
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Affiliation(s)
- Mikhail A. Kinzhalov
- Saint Petersburg State University, Universitetskaya Nab. 7/9, St. Petersburg 199034, Russian Federation
| | - Alexander S. Novikov
- Saint Petersburg State University, Universitetskaya Nab. 7/9, St. Petersburg 199034, Russian Federation
| | | | - Vitalii V. Suslonov
- Saint Petersburg State University, Universitetskaya Nab. 7/9, St. Petersburg 199034, Russian Federation
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45
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Andrusenko EV, Kabin EV, Novikov AS, Bokach NA, Starova GL, Kukushkin VY. Metal-mediated generation of triazapentadienate-terminated di- and trinuclear μ2-pyrazolate NiIIspecies and control of their nuclearity. NEW J CHEM 2017. [DOI: 10.1039/c6nj02962k] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nuclearity control of nickel(ii)–azole systems for the generation of well-defined (azolate)2NiIIspecies.
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Affiliation(s)
- Elena V. Andrusenko
- Institute of Chemistry
- Saint Petersburg State University
- Universitetskaya Nab. 7/9
- 199034
- Saint Petersburg
| | - Evgeniy V. Kabin
- Institute of Chemistry
- Saint Petersburg State University
- Universitetskaya Nab. 7/9
- 199034
- Saint Petersburg
| | - Alexander S. Novikov
- Institute of Chemistry
- Saint Petersburg State University
- Universitetskaya Nab. 7/9
- 199034
- Saint Petersburg
| | - Nadezhda A. Bokach
- Institute of Chemistry
- Saint Petersburg State University
- Universitetskaya Nab. 7/9
- 199034
- Saint Petersburg
| | - Galina L. Starova
- Institute of Chemistry
- Saint Petersburg State University
- Universitetskaya Nab. 7/9
- 199034
- Saint Petersburg
| | - Vadim Yu. Kukushkin
- Institute of Chemistry
- Saint Petersburg State University
- Universitetskaya Nab. 7/9
- 199034
- Saint Petersburg
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46
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Titova EM, Osipova ES, Gulyaeva ES, Torocheshnikov VN, Pavlov AA, Silantyev GA, Filippov OA, Shubina ES, Belkova NV. Mild activation of Ir Cl bond upon the interaction of pincer iridium hydride (BuPCP)IrH(Cl) with acids and bases. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2016.11.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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47
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Bolotin DS, Il'in MV, Novikov AS, Bokach NA, Suslonov VV, Kukushkin VY. Trinuclear (aminonitrone)ZnII complexes as key intermediates in zinc(ii)-mediated generation of 1,2,4-oxadiazoles from amidoximes and nitriles. NEW J CHEM 2017. [DOI: 10.1039/c6nj03508f] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Amidoximes react with zinc salts in undried EtOAc furnishing the trinuclear species, where amidoximes are stabilized in the aminonitrone form.
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Affiliation(s)
- Dmitrii S. Bolotin
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Mikhail V. Il'in
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Alexander S. Novikov
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Nadezhda A. Bokach
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Vitalii V. Suslonov
- Center for X-ray Diffraction Studies
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
| | - Vadim Yu. Kukushkin
- Institute of Chemistry
- Saint Petersburg State University
- Saint Petersburg
- Russian Federation
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48
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Bikbaeva ZM, Novikov AS, Suslonov VV, Bokach NA, Kukushkin VY. Metal-mediated reactions between dialkylcyanamides and acetamidoxime generate unusual (nitrosoguanidinate)nickel(ii) complexes. Dalton Trans 2017; 46:10090-10101. [DOI: 10.1039/c7dt01960b] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nitrosoguanidinate NiII complexes were generated via a hitherto unreported reaction between nickel(ii) salts, N,N-disubstituted cyanamides NCNR2, and the amidoxime MeC(NOH)NH2 in MeOH.
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Affiliation(s)
- Zarina M. Bikbaeva
- Saint Petersburg State University
- 199034 Saint Petersburg
- Russian Federation
| | | | | | - Nadezhda A. Bokach
- Saint Petersburg State University
- 199034 Saint Petersburg
- Russian Federation
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49
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Novikov AS, Ivanov DM, Avdontceva MS, Kukushkin VY. Diiodomethane as a halogen bond donor toward metal-bound halides. CrystEngComm 2017. [DOI: 10.1039/c7ce00346c] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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50
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Mikherdov AS, Kinzhalov MA, Novikov AS, Boyarskiy VP, Boyarskaya IA, Dar'in DV, Starova GL, Kukushkin VY. Difference in Energy between Two Distinct Types of Chalcogen Bonds Drives Regioisomerization of Binuclear (Diaminocarbene)Pd II Complexes. J Am Chem Soc 2016; 138:14129-14137. [PMID: 27700082 DOI: 10.1021/jacs.6b09133] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The reaction of cis-[PdCl2(CNXyl)2] (Xyl = 2,6-Me2C6H3) with various 1,3-thiazol- and 1,3,4-thiadiazol-2-amines in chloroform gives a mixture of two regioisomeric binuclear diaminocarbene complexes. For 1,3-thiazol-2-amines the isomeric ratio depends on the reaction conditions and kinetically (KRs) or thermodynamically (TRs) controlled regioisomers were obtained at room temperature and on heating, respectively. In CHCl3 solutions, the isomers are subject to reversible isomerization accompanied by the cleavage of Pd-N and C-N bonds in the carbene fragment XylNCN(R)Xyl. Results of DFT calculations followed by the topological analysis of the electron density distribution within the formalism of Bader's theory (AIM method) reveal that in CHCl3 solution the relative stability of the regioisomers (ΔGexp = 1.2 kcal/mol; ΔGcalcd = 3.2 kcal/mol) is determined by the energy difference between two types of the intramolecular chalcogen bonds, viz. S···Cl in KRs (2.8-3.0 kcal/mol) and S···N in TRs (4.6-5.3 kcal/mol). In the case of the 1,3,4-thiadiazol-2-amines, the regioisomers are formed in approximately equal amounts and, accordingly, the energy difference between these species is only 0.1 kcal/mol in terms of ΔGexp (ΔGcalcd = 2.1 kcal/mol). The regioisomers were characterized by elemental analyses (C, H, N), HRESI+-MS and FTIR, 1D (1H, 13C{1H}) and 2D (1H,1H-COSY, 1H,1H-NOESY, 1H,13C-HSQC, 1H,13C-HMBC) NMR spectroscopies, and structures of six complexes (three KRs and three TRs) were elucidated by single-crystal X-ray diffraction.
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Affiliation(s)
- Alexander S Mikherdov
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Mikhail A Kinzhalov
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Alexander S Novikov
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Vadim P Boyarskiy
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Irina A Boyarskaya
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Dmitry V Dar'in
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Galina L Starova
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
| | - Vadim Yu Kukushkin
- Saint Petersburg State University , 7/9 Universitetskaya Nab., Saint Petersburg, 199034, Russian Federation
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