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On the Mechanism of the Oxidative Cleavage of N-Heterocyclic-Carbene–Palladium Bonds with Iodine
European Journal of Inorganic Chemistry. 2017. Vol. 2017. P. 2058–2067.
Lee E., Lee J., Yandulov D. V.
Kashina M., Luzyanin K., Dar'in D. et al., Inorganic Chemistry 2024 Vol. 63 No. 12 P. 5315–5319
Metal-mediated self-assembly of isocyanides and methyl 4-aminopyrimidine-5-carboxylate leads to luminescent PdII and PtII complexes featuring C,N-cyclometalated acyclic diaminocarbene (ADC) ligands. The solid-state luminescent properties of these diaminocarbene derivatives are attributed to their triplet-state metal/metal-to-ligand charge-transfer (3MMLCT) nature, which is driven by attractive intermolecular M···M interactions further reinforced by the intramolecular π–π interactions even in the ...
Added: September 16, 2024
Chernenko A., Baydikova V., Kutyrev V. et al., ChemCatChem 2024 Article e202301471
Aryl chlorides, due to their affordability and accessibility, are preferred reagents in Pd-catalyzed arylation reactions. However, the reactivity of aryl chlorides is often lower than that of aryl bromides and iodides due to the significantly higher barriers of the oxidative addition stage. This research introduces a novel design for NHC ligands, which notably enhances the ...
Added: February 14, 2024
Komarova A., Dmitry S. Perekalin, Organometallics 2023 Vol. 42 No. 13 P. 1433–1438
There is a common assumption that replacement of the classical catalyst based on rare and expensive noble metals by the catalysts based on earth-abundant metals will dramatically reduce the costs of organic synthesis. Herein we demonstrate that it may not be true, mainly because sophisticated organic substrates and modern reagents are often as expensive as ...
Added: August 11, 2023
Kuznetsova S., Yunusov S., Gak A. et al., ChemistrySelect 2022 Vol. 7 No. 41 Article e202203011
Hydrogen bonded crystalline organic salt matrix encapsulates Pd nanoparticles and makes them selective non-pyrophoric catalysts towards reduction of carbon – carbon triple bonds, inhibiting simultaneous C=O reduction. The comparison of the catalytic performance with Pd/C was carried out to show similar catalytic activity of both catalysts towards C=C bonds. ...
Added: January 31, 2023
Cha J., Lee E., Dmitry V. Yandulov, Inorganic Chemistry 2022 Vol. 61 No. 37 P. 14544–14552
Molecular oxygen (O2) remains to be an ideal yet underutilized feedstock for the oxidative transformation of organic substrates and renewable energy systems such as fuel cells. Palladium (Pd) has shown particular promise in enabling these applications. The present study describes a Pd-mediated O2 reduction to water via C–H activation of 9,10-dihydroanthracene (DHA) by a Pd(II) ...
Added: October 24, 2022
Lee E., Bae D. Y., Yandulov D. V., Bulletin of the Korean Chemical Society 2016 Vol. 37 P. 1745–1746
Added: October 24, 2022
Lee E., Bae D. Y., Park S. et al., European Journal of Inorganic Chemistry 2016 Vol. 2016 P. 4561–4564
Added: October 24, 2022
A. B. Yaroslavtsev, I. V. Svitanko, Egorov M. P., Russian Chemical Bulletin 2022 Vol. 71 No. 1 P. 176–180
Probably, humans are called Homo sapiens because they learn something throughout the whole life. As soon as we are born, we begin to be aware of the surrounding world bit by bit, then we go to school, to the institute, and to post-graduate courses. However, it is important that, having reached a certain level, a ...
Added: October 18, 2022
Tkachev V., Bozhenko K., Utenyshev A. et al., Известия РАН. Серия химическая 2021 Т. 70 № 5 С. 847–856
The structure of the newly synthesized palladium(ii) 3,5-di(tert-butyl)-2-oxyazobenzene, PdL2, was determined by X-ray diffraction. The metal chelate was found to adopt an unusual domed conformation, with the trans-planar coordination unit at the top. This is the first complex of this class, the domed structure of which was confirmed by X-ray diffraction and in which the ...
Added: September 14, 2021
Boronoev M. P., Kulikov A., Subbotina E. S. et al., Chemistry and Technology of Fuels and Oils 2017 Vol. 53 No. 3 P. 318–332
Syntheses are reported for catalysts derived from platinum and palladium nanoparticles supported on a mesoporous phenol formaldehyde polymer modified by an ionic liquid. These catalysts are used for the hydrogenation of unsaturated compounds, specifically, acyclic and cyclic isoprenoids: isoprene, 2,5 – dimethyl–2,4–hexadiene, limonene, α –terpinene, γ –terpinene, as well as phenylacetylene, transstilbene, and 1,4–diphenyl–1,3–butadiene. High ...
Added: November 19, 2019
Ananyev I., Топчий М., Зотова М. et al., Chemistry - A European Journal 2017 Vol. 23 No. 27 P. 6663–6674
An efficient and scaled-up synthesis of the imidazol-2-ylidene-based unsymmetrical NHC precursors bearing the sterically demanding hexafluoroisopropylalkoxy group [(CF3)(2)(OR)C-] at the ortho position of the N-aryl substituent was developed. The key step of the method involved the transformation of a Mes-substituted oxazolinium tetrafluoroborate salt through the reaction with the corresponding binucleophilic fluoroalkyl-substituted aniline. The subsequent post-modification ...
Added: October 4, 2019
Заварзин С. В., Масленников А. Г., Ефимов В. А. et al., Радиохимия 2015 Т. 57 № 6 С. 498–504
The intermetallic compound (IMC) PuPd3 was synthesized by induction fusion of the components in a vacuum. The phase composition of the compound was confirmed by X-ray diffraction analysis. SEM analysis revealed the presence in the sample obtained of three metastable PuPdx phases (2.3 < x < 4.4) differing in the extent of enrichment in Pu. ...
Added: September 26, 2019
Заварзин С. В., Масленников А. Г., Гедгодв К. Н. et al., Радиохимия 2016 Т. 58 № 5 С. 403–408
Electrochemical properties of the intermetallic compound UPd3 in 0.5–8 M HNO3 solutions were studied by linear voltammetry. In 0.5–2 M HNO3 solutions, the UPd3 surface is in the passive state. At HNO3 concentrations exceeding 4 M, the alloy passivation was not observed. The previously unknown electrochemical characteristics of UPd3 in nitric acid solutions were obtained ...
Added: September 26, 2019