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Статті в журналах з теми "Chemical engineering, n.e.c"

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Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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1

Lee, Dong-Hwan, and Soon-Heum Park. "Nickel Complexes Having (N-C-N) Tridentate Ligands." Journal of the Korean Chemical Society 51, no. 6 (December 20, 2007): 499–505. http://dx.doi.org/10.5012/jkcs.2007.51.6.499.

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2

Takahashi, Toshiyuki, Takeshi Saito, Masaki Kobayashi, and Koji Hayashi. "Effects of N/(C+N) Atomic Ratio and Amount of Ti(C,N) on Chemical Reaction of Al2O3-Ti(C,N) Ceramics with Ni Plate." Journal of the Japan Society of Powder and Powder Metallurgy 47, no. 5 (2000): 534–40. http://dx.doi.org/10.2497/jjspm.47.534.

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3

JACOBS, MADELEINE. "in·sight\'in-, sit\ n (13 c)." Chemical & Engineering News 74, no. 9 (February 26, 1996): 5. http://dx.doi.org/10.1021/cen-v074n009.p005.

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4

Gierszewski, Bettina, and Sascha Hupach. "N und C simultan analysieren." Nachrichten aus der Chemie 57, no. 3 (March 2009): 329. http://dx.doi.org/10.1002/nadc.200963633.

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5

Ohtani, H., and M. Hillert. "Calculation of VCN and TiCN phase diagrams." Calphad 17, no. 1 (January 1993): 93–99. http://dx.doi.org/10.1016/0364-5916(93)90037-c.

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6

Arias, Alejandro, Sara Gómez, Natalia Rojas-Valencia, Francisco Núñez-Zarur, Chiara Cappelli, Juliana A. Murillo-López, and Albeiro Restrepo. "Formation and evolution of C–C, C–O, CO and C–N bonds in chemical reactions of prebiotic interest." RSC Advances 12, no. 44 (2022): 28804–17. http://dx.doi.org/10.1039/d2ra06000k.

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7

Sun, Yu-Wang, Hai-Yan Wang, and Yi-Hong Ding. "Predicting viable isomers of [X,C,N] and [H,X,C,N] (X = Sn, Pb)." RSC Advances 9, no. 69 (2019): 40772–80. http://dx.doi.org/10.1039/c9ra08943h.

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8

Eisenberger, Patrick, and Laurel L. Schafer. "Catalytic synthesis of amines and N-containing heterocycles: Amidate complexes for selective C–N and C–C bond-forming reactions." Pure and Applied Chemistry 82, no. 7 (May 31, 2010): 1503–15. http://dx.doi.org/10.1351/pac-con-09-11-27.

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Анотація:

The direct, 100 % atom-economic, and selective synthesis of amines is a challenging task that can be achieved, making use of early transition-metal catalysts. Here we report the synthesis and application of group 4 and 5 high-oxidation-state metal amidate complexes in catalytic C–N (hydroamination) and C–C (hydroaminoalkylation) bond-forming reactions to access substituted amines.

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9

JACOBY, MITCH. "Palladium helps make C-N bonds in nucleosides." Chemical & Engineering News 77, no. 25 (June 21, 1999): 12. http://dx.doi.org/10.1021/cen-v077n025.p012.

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10

Garsuch, Arnd, Ruizhi Yang, Arman Bonakdarpour, and J. R. Dahn. "The effect of boron doping into Co-C-N and Fe-C-N electrocatalysts on the oxygen reduction reaction." Electrochimica Acta 53, no. 5 (January 2008): 2423–29. http://dx.doi.org/10.1016/j.electacta.2007.10.014.

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11

Nanda, Santosh Kumar, and Rosy Mallik. "1,2-Difunctionalizations of alkynes entailing concomitant C–C and C–N bond-forming carboamination reactions." RSC Advances 12, no. 10 (2022): 5847–70. http://dx.doi.org/10.1039/d1ra06633a.

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12

Aldinger, Fritz, M. Weinmann, and J. Bill. "Precursor-derived Si-B-C-N ceramics." Pure and Applied Chemistry 70, no. 2 (February 28, 1998): 439–48. http://dx.doi.org/10.1351/pac199870020439.

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13

Uflyand, Igor E., Victoria E. Burlakova, Ekaterina G. Drogan, Igor Yu Zabiyaka, Kamila A. Kydralieva, Gulsara D. Kugabaeva, and Gulzhian I. Dzhardimalieva. "Preparation of FeCo/C-N and FeNi/C-N Nanocomposites from Acrylamide Co-Crystallizates and Their Use as Lubricant Additives." Micromachines 13, no. 11 (November 16, 2022): 1984. http://dx.doi.org/10.3390/mi13111984.

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Анотація:

FeCo and FeNi nanoalloy particles encapsulated in a nitrogen-doped carbonized shell (FeCo/C-N and FeNi/C-N) were synthesized by thermolysis at 400 °C of polyacrylamide complexes after frontal polymerization of co-crystallizate of Fe and Co or Ni nitrates and acrylamide. During the thermolysis of polyacrylamide complexes in a self-generated atmosphere, Co(II) or Ni(II) and Fe(III) cations are reduced to form FeCo and FeNi nanoalloy particles, while polyacrylamide simultaneously forms a nitrogen-doped carbon shell layer. This unique architecture provides high chemical and thermal stability of the resulting nanocomposites. The average crystallite size of FeCo and FeNi nanoparticles is 10 and 12 nm, respectively. The nanocomposites were studied by X-ray diffraction, atomic force microscopy, scanning electron microscopy, and high-resolution transmission electron microscopy. The nanocomposites have been tested as antifriction and antiwear additives in lubricating oils. The optimal concentrations of nanoparticles were determined, at which the antifriction and antiwear properties of the lubricant manifest themselves in the best possible way.

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14

Kouba, R., K. Rayane, and M. Keddam. "Thermodynamic reassessment of Fe-N and Fe-N-C systems." Calphad 71 (December 2020): 102197. http://dx.doi.org/10.1016/j.calphad.2020.102197.

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15

Purohit, Vishal B., Sharad C. Karad, Kirit H. Patel, and Dipak K. Raval. "Palladium N-heterocyclic carbene catalyzed expected and unexpected C–C and C–N functionalization reactions of 1-aryl-3-methyl-1H-pyrazol-5(4H)-ones." RSC Advances 6, no. 112 (2016): 111139–43. http://dx.doi.org/10.1039/c6ra22779a.

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Анотація:

A palladium N-heterocyclic carbene complex of vitamin B₁ developed earlier in our laboratory was successfully employed as an efficient catalyst for the regioselective C–C and C–N functionalization reactions of 1-aryl-3-methyl-1H-pyrazol-5(4H)-ones.

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16

Metelitsa, A. V., A. S. Burlov, S. O. Bezuglyi, I. G. Borodkina, V. A. Bren, A. D. Garnovskii, and V. I. Minkin. "Luminescent complexes with ligands containing C=N bond." Russian Journal of Coordination Chemistry 32, no. 12 (December 2006): 858–68. http://dx.doi.org/10.1134/s1070328406120025.

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17

Elhadi Benhalouche, Mohamed, Hai-Yun Huang, Abdellah Miloudi, Henri Doucet, and Jean-François Soulé. "Reactivity of N-methyl-N-(polyfluorobenzyl)acetamides and N-methyl-N-(polyfluorobenzyl)benzamides in Pd-catalyzed C–H bond arylation." Comptes Rendus Chimie 22, no. 9-10 (September 2019): 628–38. http://dx.doi.org/10.1016/j.crci.2019.10.001.

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18

Unaleroglu, Canan, Baris Temelli, and Dilek Isik Tasgin. "Access to pyrrole-based heterocyclic compounds via addition of pyrrole to C=C and C=N bonds." Pure and Applied Chemistry 86, no. 6 (June 18, 2014): 925–32. http://dx.doi.org/10.1515/pac-2013-1109.

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Анотація:

AbstractA series of metal triflate-catalyzed addition reactions of pyrrole to C=C and C=N bonds have been investigated to access pyrrole-based heterocyclic compounds. The addition of pyrrole to different α,β-unsaturated compounds or N-tosyl imines afforded suitable structures for the construction of [5-5] bicyclic systems or porphyrins, respectively. Intramolecular cyclization reactions were applied for the synthesis of pyrrolizine derivatives. In the other reaction mode, intermolecular cyclization reactions gave A4- and trans-A2B2-meso-substituted porphyrins under mild reaction conditions with low scrambling.

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19

Grujicic, M., L. Kaufman, and W. S. Owen. "The (V,Nb)(C,N) precipitate/austenite equilibrium in the Fe-C-N-V-Nb-Mn system." Calphad 10, no. 1 (January 1986): 37–47. http://dx.doi.org/10.1016/0364-5916(86)90008-8.

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20

Vanjari, Rajeshwer, Emad Eid, Ganga B. Vamisetti, Shaswati Mandal, and Ashraf Brik. "Highly Efficient Cyclization Approach of Propargylated Peptides via Gold(I)-Mediated Sequential C–N, C–O, and C–C Bond Formation." ACS Central Science 7, no. 12 (November 18, 2021): 2021–28. http://dx.doi.org/10.1021/acscentsci.1c00969.

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21

Khajehali, Zohreh, and Hamid R. Shamlouei. "Structural, electrical and optical properties of Li n @C 20 ( n = 1–6) nanoclusters." Comptes Rendus Chimie 21, no. 5 (May 2018): 541–46. http://dx.doi.org/10.1016/j.crci.2018.02.005.

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22

Wieczorek, Andrew, Clara K. Chan, Suzana Kovacic, Cindy Li, Thomas Dierks, and Nancy R. Forde. "Genetically modified human type II collagen for N- and C-terminal covalent tagging." Canadian Journal of Chemistry 96, no. 2 (February 2018): 204–11. http://dx.doi.org/10.1139/cjc-2017-0335.

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Collagen is the predominant structural protein in vertebrates, where it contributes to connective tissues and the ECM; it is also widely used in biomaterials and tissue engineering. Dysfunction of this protein and its processing can lead to a wide variety of developmental disorders and connective tissue diseases. Recombinantly engineering the protein is challenging due to post-translational modifications generally required for its stability and secretion from cells. Introducing end labels into the protein is problematic, because the N- and C-termini of the physiologically relevant tropocollagen lie internal to the initially flanking N- and C-propeptide sequences. Here, we introduce mutations into human type II procollagen in a manner that addresses these concerns and purify the recombinant protein from a stably transfected HT1080 human fibrosarcoma cell line. Our approach introduces chemically addressable groups into the N- and C-telopeptide termini of tropocollagen. Simultaneous overexpression of formylglycine generating enzyme (FGE) allows the endogenous production of an aldehyde tag in a defined, substituted sequence in the N terminus of the mutated collagen, whereas the C-terminus of each chain presents a sulfhydryl group from an introduced cysteine. These modifications are designed to enable specific covalent end-labelling of collagen. We find that the doubly mutated protein folds and is secreted from cells. Higher order assembly into well-ordered collagen fibrils is demonstrated through transmission electron microscopy. Chemical tagging of thiols is successful; however, background from endogenous aldehydes present in wild-type collagen has thus far obscured the desired specific N-terminal labelling. Strategies to overcome this challenge are proposed.

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23

Ju, Minsoo, and Jennifer M. Schomaker. "Nitrene transfer catalysts for enantioselective C–N bond formation." Nature Reviews Chemistry 5, no. 8 (June 28, 2021): 580–94. http://dx.doi.org/10.1038/s41570-021-00291-4.

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24

Nossa, A., and A. Cavaleiro. "Chemical and physical characterization of C(N)-doped W–S sputtered films." Journal of Materials Research 19, no. 8 (August 2004): 2356–65. http://dx.doi.org/10.1557/jmr.2004.0293.

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The load-bearing capacity of self-lubricating W–S films can be improved by doping with nitrogen or carbon. In this study, the chemical composition, the atomic bonding, the structure, and the surface and cross section morphologies of sputtered W–S–C(N) films were analyzed. The addition of the doping element leads to a progressive broadening of the x-ray diffraction (XRD) peaks indicating a loss of crystallinity. In W–S–N films, amorphous structure could be obtained. In W–S–C films, W–C compounds were detected in conjunction with the hexagonal WS2 phase. For the highest C contents, a nanocomposite structure, including those phases and graphite, was suggested for the film. X-ray photoelectron spectroscopy results showed different types of bonds in the W4f peak in good agreement with the XRD results, i.e., when W–C(N) compounds were indexed W–S, W–C, and W–N bonds are present in the W4f peak. For the highest C content film, the detection of C–C bond in the C1s peak confirmed the formation of graphite.

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25

Wang, Wei, Haitao Wang, Zexing Wu, Yang Yu, Muhammad Asif, Zhengyun Wang, Xiaoyu Qiu, and Hongfang Liu. "Co/MnO/N-C hybrid derived from N-methyl-D-glucamine as efficient bifunctional oxygen electrocatalysts." Electrochimica Acta 281 (August 2018): 486–93. http://dx.doi.org/10.1016/j.electacta.2018.05.207.

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26

Nguyen, Khoa D., Son H. Doan, Anh N. V. Ngo, Tung T. Nguyen, and Nam T. S. Phan. "Direct C–N coupling of azoles with ethers via oxidative C–H activation under metal–organic framework catalysis." Journal of Industrial and Engineering Chemistry 44 (December 2016): 136–45. http://dx.doi.org/10.1016/j.jiec.2016.08.025.

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27

Wu, Kun, Zhiliang Huang, Yiyang Ma, and Aiwen Lei. "Copper-catalyzed and iodide-promoted aerobic C–C bond cleavage/C–N bond formation toward the synthesis of amides." RSC Advances 6, no. 29 (2016): 24349–52. http://dx.doi.org/10.1039/c6ra02153k.

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28

Ikariya, Takao, and Ilya D. Gridnev. "Bifunctional transition metal-based molecular catalysts for asymmetric CC and CN bond formation." Chemical Record 9, no. 2 (2009): 106–23. http://dx.doi.org/10.1002/tcr.20172.

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29

Kinney, Zacharias J., Arnold L. Rheingold, and John D. Protasiewicz. "Preferential N–H⋯:C hydrogen bonding involving ditopic NH-containing systems and N-heterocyclic carbenes." RSC Advances 10, no. 69 (2020): 42164–71. http://dx.doi.org/10.1039/d0ra08490e.

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Анотація:

Non-traditional hydrogen bonds between a singlet carbene and a series of ditopic secondary amines is detailed. Both the solid- and solution-state metrics reveal the strength of these associations are dependent on the pK_a of the NH-containing molecule.

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30

Marinkovic, Aleksandar, Jelena Nedeljkovic, Dusan Mijin, Natasa Ilic, and Slobodan Petrovic. "Correlation analysis of IR, 1H and 13C NMR spectral data of N-alkyl and N-cycloalkyl cyanoacetamides." Chemical Industry and Chemical Engineering Quarterly 17, no. 3 (2011): 307–14. http://dx.doi.org/10.2298/ciceq110302016m.

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Анотація:

Linear free energy relationships (LFER) were applied to the IR, 1H and 13C NMR spectral data in Nalkyl and N-cycloalkyl cyanoacetamides. N-alkyl and N-cycloalkyl cyanocetamides were synthesized from corresponding amine and ethyl cyanoacetate. A number of substituents were employed for alkyl substitution, and fairly good correlations were obtained, using simple Hammett equation. In N-alkyl and N-cycloalkyl cyanoacetamides substituent cause SCS of N-H hydrogen primarily by steric interaction, polar subtituent effect influences SCS shift of C=O carbon, while steric effect of N-alkyl substituent causes IR stretching frequencies of N-H, C=O and CN group. The conformations of investigated compounds have been studied by the use of semiempirical PM6 method, and together with LFER analysis, give a better insight into the influence of such a structure on the transmission of electronic substituent effects. Negative ? values for several correlations (reverse substituent effect) were found.

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31

Akinribide, O. J., B. A. Obadele, G. N. Mekgwe, O. O. Ajibola, S. O. Akinwamide, K. Nomoto, S. P. Ringer, and P. A. Olubambi. "Mechano-chemical synthesis and characterization of Ti (C, N)-powder from TiN-MWCNTs/graphite." Particulate Science and Technology 38, no. 8 (July 14, 2019): 952–62. http://dx.doi.org/10.1080/02726351.2019.1637625.

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32

Hu, Chang Qing, Wei Gang Han, and Yu Zhu Zhang. "Thermogravimetry Analysis and Kinetic Characteristics of Ti(C,N) Formation by Slag-Coke Reaction." Advanced Materials Research 146-147 (October 2010): 853–58. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.853.

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The non-isothermal experiments of TiO2 reduction to Ti(C,N) were conducted by a comprehensive thermal analyzer in Ar and N2 atmospheres. The mechanism of Ti(C,N) generation was analyzed and the kinetic parameters in different atmospheres were calculated. The results showed that Ti(C, N) formation process was controlled by interface chemical reaction, and the existence of nitrogen would favor the formation of Ti (C, N). TiC transforming into TiN occurred at a temperature above 1200°C.

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33

Г. Штамбург, Василь, Віктор В. Штамбург, Андрій О. Аніщенко, Едуард Б. Русанов, Світлана В. Кравченко та Олександр В. Мазепa. "ВЗАЄМОДІЯ 4-КАРБОКСИФЕНІЛГЛІОКСАЛЮ З N-ГІДРОКСИСЕЧОВИНОЮ ТА N-АЛКОКСИ-N’-АЛКІЛ(АРИЛ)СЕЧОВИНАМИ. БУДОВА 4,5-ДИГІДРОКСИ-5(4-КАРБОКСИФЕНІЛ)-1-МЕТИЛ-3-ПРОПІЛОКСИІМІДАЗОЛІДИН-2-ОНУ". Journal of Chemistry and Technologies 29, № 4 (21 січня 2022): 512–21. http://dx.doi.org/10.15421/jchemtech.v29i4.233171.

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Анотація:

Мета. Дослідження взаємодії 4-карбоксифенілгліоксалю з N-гідроксисечовиною, різними N-алкокси-N’-арилсечовинами і N-пропілокси-N’-метилсечовиною в оцтовій кислоті та встановлення структури продуктів. Метод. Спектроскопія ЯМР 1H і 13C, мас-спектрометрія та метод рентгеноструктурної дифракції. Результати. Знайдено, що 3-алкокси-4,5-дигідроксиімідазолідин-2-они є єдиними продуктами взаємодії N-алкокси-N’-арилсечовин і N-алкокси-N’-алкілсечовин з 4-карбоксифенілгліоксалем у оцтовій кислоті за кімнатної температури. Головними і переважними продуктами реакції є такі діастереомери 3-алкокси-4,5-дигідроксиімідазолідин-2-онів, які мають цис-орієнтацію 4-HO- і 5-HO-груп відповідно одна іншій. Діастереомери з транс-орієнтацією 4-HO- і 5-HO-груп відповідно одна іншій утворюються у вельми незначної кількості. Будову продуктів доведено в сукупності за допомогою спектрів 1Н і 13С ЯМР, мас-спектрів, а також методом рентгеноструктурної дифракції досліджено будову 4S,5S-дигідрокси-5-(4-карбоксифеніл)-1-метил-3-пропілоксиімідазолідин-2-ону. Наводиться обговорення її особливостей. Встановлено, що в молекулі 4S,5S-дигідрокси-5-(4-карбоксифеніл)-1-метил-3-пропілоксиімідазолідин-2-ону ендоциклічний зв’язок C(2)–C(3) подовжений до 1.562(2) Å порівняно із середньою величиною 1.540 Å для одинарного зв’язку С(sp3)–C(sp3). Атом Нітрогену N(1) має майже планарну конфігурацію, сума валентних кутів складає 354.4(1)°. Атом Нітрогену N(2) має пірамідальну конфігурацію, сума валентних кутів складає 335.2(1)°). Зв’язок N(1)–C(1) коротший (1.357(2) Å), ніж зв’язок N(2)–C(1) (1.393(2) Å). У тих же умовах 4-карбоксифенілгліоксаль реагує з N-гідроксисечовиною з селективним утворенням 3-гідрокси-5-(4-карбоксифеніл)імідазолідин-2,4-діону.

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34

Bexon, Adam J. S., and J. A. Gareth Williams. "Luminescent complexes of iridium(III) with 6′-phenyl-2,2′-bipyridine and 4′-aryl derivatives: N^C versus N^N coordination." Comptes Rendus Chimie 8, no. 8 (August 2005): 1326–35. http://dx.doi.org/10.1016/j.crci.2004.12.012.

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35

Kapturkiewicz, Andrzej, and Anna Kamecka. "Luminescence properties of [Ir(C^N)2(N^N)]+ complexes: relations between DFT computation results and emission band-shape analysis data." RSC Advances 11, no. 47 (2021): 29308–22. http://dx.doi.org/10.1039/d1ra05430a.

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36

Li, Yuanchao, Baoyan Xing, Huishuang Zhang, Mengjie Wang, Li Yang, Guangri Xu, and Shuting Yang. "Simple synthesis of a hierarchical LiMn_0.8Fe_0.2PO₄/C cathode by investigation of iron sources for lithium-ion batteries." RSC Advances 12, no. 40 (2022): 26070–77. http://dx.doi.org/10.1039/d2ra04427g.

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A hierarchical porous LiMn0.8Fe0.2PO4/C (N-LMFP) was synthesized by a simple solid-state method beneficial for engineering applications. The fine particle and hierarchical porous structure enable a superior rate performance of the N-LMFP sample.

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37

Huang, Shang-Ming, Chih-Huang Weng, Jing-Hua Tzeng, Ya-Zhen Huang, Jin Anotai, Li-Ting Yen, Che-Jui Chang, and Yao-Tung Lin. "Photocatalytic inactivation of Klebsiella pneumoniae by visible-light-responsive N/C-doped and N-tourmaline/palladium-C-codoped TiO2." Chemical Engineering Journal 379 (January 2020): 122345. http://dx.doi.org/10.1016/j.cej.2019.122345.

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38

Srinivas, Katam, and Ganesan Prabusankar. "Role of C, S, Se and P donor ligands in copper(i) mediated C–N and C–Si bond formation reactions." RSC Advances 8, no. 56 (2018): 32269–82. http://dx.doi.org/10.1039/c8ra06057f.

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39

Candia-Onfray, Christian, Soledad Bollo, Claudia Yáñez, Néstor Escalona, José F. Marco, Nieves Menéndez, Ricardo Salazar, and F. Javier Recio. "Nanostructured Fe-N-C pyrolyzed catalyst for the H2O2 electrochemical sensing." Electrochimica Acta 387 (August 2021): 138468. http://dx.doi.org/10.1016/j.electacta.2021.138468.

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40

López-Alcántara, R., J. L. Borges-Cu, J. E. Ramírez-Benítez, A. Garza-Ortiz, L. A. Núñez-Oreza, and O. H. Hernández-Vázquez. "Importance of the C/N-ratio on biomass production and antimicrobial activity from marine bacteria Pseudoalteromonas sp." Revista Mexicana de Ingeniería Química 21, no. 1 (March 14, 2022): 1–16. http://dx.doi.org/10.24275/rmiq/bio2695.

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41

Porcheddu, Andrea, and Giorgio Chelucci. "Base‐Mediated Transition‐Metal‐Free Dehydrative C−C and C−N Bond‐Forming Reactions from Alcohols." Chemical Record 19, no. 12 (April 25, 2019): 2398–435. http://dx.doi.org/10.1002/tcr.201800170.

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42

Chen, Xiuling, Siying Hu, Rongxing Chen, Jian Wang, Minghu Wu, Haibin Guo, and Shaofa Sun. "Fe-catalyzed esterification of amides via C–N bond activation." RSC Advances 8, no. 9 (2018): 4571–76. http://dx.doi.org/10.1039/c7ra12152k.

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An efficient Fe-catalyzed esterification of primary, secondary, and tertiary amides with various alcohols was performed. Esterification was accomplished with inexpensive, environmentally friendly FeCl₃·6H₂O, and with high functional group tolerance

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43

Averin, Alexei D., Anton S. Abel, Olga K. Grigorova, Gennadij V. Latyshev, Yury N. Kotovshchikov, Alexander Yu Mitrofanov, Alla Bessmertnykh-Lemeune, and Irina P. Beletskaya. "Recent achievements in copper catalysis for C–N bond formation." Pure and Applied Chemistry 92, no. 8 (September 25, 2020): 1181–99. http://dx.doi.org/10.1515/pac-2020-0301.

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AbstractA mini-review describes the development of the catalysis by Cu(I) complexes aimed at the formation of C–N bond at the Lomonosov MSU during 2010s. The main approach employs the amination of aryl and heteroaryl halides with the amines and polyamines, in this direction a great versatility of starting compounds was achieved: adamantane-containing amines, linear diamines, oxadiamines and polyamines, various aryl iodides and bromides, derivatives of pyridine, and quinoline were used for this purpose. In more peculiar cases, the copper catalysis was used for steroids transformations, including vinylation of azoles, wide-spread “click” reactions for the conjugate syntheses, and successful heterogenezation of the copper catalysts were also undertaken.

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44

Semenov, K. N., N. A. Charykov, V. A. Keskinov, A. K. Pyartman, and O. V. Arapov. "Solubility of bromofullerenes C60Br n (n = 6, 8, 24) in aqueous-ethanolic mixtures at 25°C." Russian Journal of Applied Chemistry 83, no. 6 (June 2010): 997–1000. http://dx.doi.org/10.1134/s1070427210060133.

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45

Zhang, Liang, and Zhaomin Hou. "N-Heterocyclic carbene copper-catalyzed carboxylation of C-B and C-H bonds with carbon dioxide." Pure and Applied Chemistry 84, no. 8 (April 30, 2012): 1705–12. http://dx.doi.org/10.1351/pac-con-11-10-33.

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Анотація:

N-Heterocyclic carbene (NHC) copper complexes serve as an excellent catalytic system for carboxylation of alkyl-, aryl-, and alkenylboron compounds and some aromatic heterocyclic C-H bonds with carbon dioxide (CO2), to afford various functional-group-containing carboxylic acids or their ester derivatives. Some key reaction intermediates have been isolated and structurally characterized, thus providing important insight into the mechanistic details of these catalytic reactions.

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46

Nixon, Robert, and Guillaume De Bo. "Three concomitant C–C dissociation pathways during the mechanical activation of an N-heterocyclic carbene precursor." Nature Chemistry 12, no. 9 (July 20, 2020): 826–31. http://dx.doi.org/10.1038/s41557-020-0509-1.

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47

Janus, Magdalena. "Adsorption of CO2 on C,N–TiO2 Surfaces." Adsorption Science & Technology 30, no. 10 (December 2012): 807–16. http://dx.doi.org/10.1260/0263-6174.30.10.807.

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48

Lee, Jaimin, and Andrew Block-Bolten. "Correlation of physical and chemical properties of c-h-n-o explosives (part II)." Propellants, Explosives, Pyrotechnics 18, no. 3 (June 1993): 161–67. http://dx.doi.org/10.1002/prep.19930180309.

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49

Zhu, Jinzhen, Beizhou Wang, Jianjun Liu, Huanwen Chen, and Wenqing Zhang. "Theoretical studies of a 3D-to-planar structural transition in SinAl5−n+1,0,−1(n = 0–5) clusters." RSC Advances 5, no. 18 (2015): 13923–29. http://dx.doi.org/10.1039/c4ra15955a.

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A novel ptC structure C₂Al₃⁻which is more stable in energy than the experimentally observed CAl₄^2−.was firstly predicted The C₂Al₃⁻may become a building block to assembly some larger supermolecule containing multiple phC.

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50

Mufti, Zeeshan Saleem, Rukhshanda Anjum, Fairouz Tchier, Hafsa Sajid, Qin Xin, and Faria Ahmed Shami. "Topological Study of Zirconium Tetrachloride Z r C l 4 under Molecular Descriptors." Mathematical Problems in Engineering 2022 (April 22, 2022): 1–9. http://dx.doi.org/10.1155/2022/3105317.

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Topological index is a numerical parameter which characterizes the topology of the molecular structure. Topological indices are a very prominent part of the study of chemical structures in which properties of organic or inorganic compounds are under observation and calculated such as physical properties, chemical reactivity, or biological activity. Most of the topological indices of molecular graph-based structure which depends on vertex degrees have been visualized. In this study, we compute some degree-based topological indices of zirconium tetrachloride Z n C l 4 m , n .

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