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Artículos de revistas sobre el tema "Hydroboranes synthesis"

Autor: Grafiati
Publicado: 21 de diciembre de 2024
Última modificación: 31 de julio de 2025

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1

Price, Jeffrey S., Declan M. DeJordy, David J. H. Emslie, and James F. Britten. "Reactions of [(dmpe)2MnH(C2H4)]: synthesis and characterization of manganese(i) borohydride and hydride complexes." Dalton Transactions 49, no. 29 (2020): 9983–94. http://dx.doi.org/10.1039/d0dt01726d.

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Reactions of trans-[(dmpe)<sub>2</sub>MnH(C<sub>2</sub>H<sub>4</sub>)] with hydroboranes and phosphines afforded manganese(i) borohydride and hydride complexes; reaction pathways, structures and bonding are discussed.
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2

Kostera, Sylwia, Maurizio Peruzzini, and Luca Gonsalvi. "Recent Advances in Metal Catalyst Design for CO2 Hydroboration to C1 Derivatives." Catalysts 11, no. 1 (2021): 58. http://dx.doi.org/10.3390/catal11010058.

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The use of CO2 as a C1 building block for chemical synthesis is receiving growing attention, due to the potential of this simple molecule as an abundant and cheap renewable feedstock. Among the possible reductants used in the literature to bring about CO2 reduction to C1 derivatives, hydroboranes have found various applications, in the presence of suitable homogenous catalysts. The current minireview article summarizes the main results obtained since 2016 in the synthetic design of main group, first and second row transition metals for use as catalysts for CO2 hydroboration.
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3

Moroz, Antoni, and Ray L. Sweany. "Photolysis of argon matrixes containing tribromoboron and dihydrogen: synthesis of hydroboranes via dibromoboron." Inorganic Chemistry 31, no. 25 (1992): 5236–42. http://dx.doi.org/10.1021/ic00051a015.

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4

MOROZ, A., and R. L. SWEANY. "ChemInform Abstract: Photolysis of Argon Matrices Containing Tribromoboron and Dihydrogen: Synthesis of Hydroboranes via Dibromoboron." ChemInform 24, no. 15 (2010): no. http://dx.doi.org/10.1002/chin.199315025.

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5

Matsumi, Noriyoshi, Nobuaki Yoshioka, and Keigo Aoi. "Synthesis of boric ester type ion-gels by dehydrocoupling of cellulose with hydroboranes in ionic liquid." Solid State Ionics 226 (October 2012): 37–40. http://dx.doi.org/10.1016/j.ssi.2012.07.018.

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6

., Eishika, Himani ., and Ridhi . "Review of Synthesis and Characterization of Cu (I) Complexes." International Journal of Research and Review 11, no. 1 (2024): 195–209. http://dx.doi.org/10.52403/ijrr.20240121.

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d-block metals show great promise in inorganic catalytic research. Particularly, copper, d9 metal has contributed to catalytic properties of its complexes. A series of copper complexes was synthesized and structurally characterized. The copper (I) complexes of this series were investigated in regard to their reactivity towards dioxygen using stopped-flow techniques. For most complexes no “oxygen adduct” complexes as intermediates could be detected. In this article, some complexes of Cu (I) have been included and the ligands on which work had been done are mentioned below: 1,5-bis(benzimidazole
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7

Payandeh, SeyedHosein, Daniel Rentsch, Zbigniew Lodziana, et al. "Nido-Hydroborate-Based Electrolytes for All-Solid-State Lithium Batteries." Advanced Functional Materials 2021 (February 21, 2021): 2010046. https://doi.org/10.5281/zenodo.7600133.

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Hydroborate-based solid electrolytes have recently been successfully employed in high voltage, room temperature all-solid-state sodium batteries. The transfer to analogous lithium systems has failed up to now due to the lower conductivity of the corresponding lithium compounds and their high cost. Here LiB11H14 nido-hydroborate as a cost-effective building block and its high-purity synthesis is introduced. The crystal structures of anhydrous LiB11H14 as well as of LiB11H14- based mixed-anion solid electrolytes are solved and high ionic conductivities of 1.1 &times; 10&minus;4 S cm&minus;1 for
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8

Dunn, Simon C., Philip Mountford, and Oleg V. Shishkin. "Imidotitanium Tris(pyrazolyl)hydroborates: Synthesis, Solution Dynamics, and Solid-State Structure." Inorganic Chemistry 35, no. 4 (1996): 1006–12. http://dx.doi.org/10.1021/ic9510674.

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9

Bahsis, Lahoucine, Hicham Ben El Ayouchia, Hafid Anane, et al. "Clicking Azides and Alkynes with Poly(pyrazolyl)borate-Copper(I) Catalysts: An Experimental and Computational Study." Catalysts 9, no. 8 (2019): 687. http://dx.doi.org/10.3390/catal9080687.

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The synthesis of 1,4-disubstituted-1,2,3-triazoles under a copper(I)-catalyzed azide–alkyne cycloaddition (CuAAC) regime was accomplished in high yields and a regioselective manner by using two homoscorpionate poly(pyrazolyl)borate anions: tris(pyrazolyl)hydroborate (HB(pz)3−) and bis(pyrazolyl)hydroborate (H2B(pz)2−), which stabilized in situ the catalytically active copper (I) center. The [3+2] cycloaddition (32CA) reactions took place under strict click conditions, including room temperature and a mixture of environmentally benign solvents such as water/ethanol in a 1:1 (v/v) ratio. These c
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10

Bartholomew, Amymarie K., Louise M. Guard, Nilay Hazari, and Eddie D. Luzik. "Synthesis of Mg Complexes Supported by Tris-(1-pyrazolyl)phosphine." Australian Journal of Chemistry 66, no. 11 (2013): 1455. http://dx.doi.org/10.1071/ch13354.

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The preparation and characterisation of two Mg coordination compounds supported by the tris(1-pyrazolyl)phosphine (P(pz)3) ligand, [{P(pz)3}Mg(MeCN)3](I)2 and [Mg{P(pz)3}2](I)2, is described. This is the first time this ligand has been coordinated to Mg or any other s-block metal and the complexes are the first examples of crystallographically characterised P(pz)3 complexes on any metal. The structures of the new Mg complexes are compared with related species with the more common tridentate facial ligands, tris(pyrazolyl)hydroborate (Tp), tris(pyrazolyl)methane (Tpm), and tris(pyrazolyl)methan
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11

Dionne, Michel, Shoukang Hao, and Sandro Gambarotta. "Preparation and characterization of a new series of Cr(II) hydroborates." Canadian Journal of Chemistry 73, no. 7 (1995): 1126–34. http://dx.doi.org/10.1139/v95-139.

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The synthesis and characterization of a new series of mono-, di-, and trinuclear Cr(II) borohydride compounds is described. The reaction of CrCl2(TMEDA) with two equivalents of NaBH4 afforded the thermally unstable (TMEDA)Cr(BH4)2 (1), which was converted by treatment with pyridine into the octahedral monomeric (Py)4Cr(BH4)2 (2). The reaction proceeds via formation of an intermediate trinuclear complex {[(TMEDA)(Py)Cr(η2-BH4)]2[(Py)2Cr(η2-BH4)2]}(µ,η1-BH4)2 (3), which was isolated and characterized by X-ray crystallography. Reaction of 1 and 2 with both CO2 and RN=C=NR (R = Cy, iPr) afforded h
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12

Kafka, Stanislav, Jan Kytner, Alexandra Šilhánková, and Miloslav Ferles. "Hydroboration of 1-(5-hexenyl)piperidine and trans–1-(3-hexenyl)piperidine." Collection of Czechoslovak Chemical Communications 52, no. 8 (1987): 2035–46. http://dx.doi.org/10.1135/cccc19872035.

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1-(5-Hexenyl)piperidine (Ia) and trans-1-(3-hexenyl)piperidine (Ib) were hydroborated with tetrahydrofuran-borane, diborane in situ, 9-borabicyclo[3.3.1]nonane and triethylamine-borane. The hydroboration products were converted to 1-piperidinylhexanols IIa-IIe by hydrolysis with hydrochloric acid and subsequent oxidation with hydrogen peroxide in an alkaline medium. In addition to the alcohols IIa-IIe, the reaction also gave 1-hexylpiperidine (Ic). In the reactions with diborane in situ and triethylamine-borane, thermal isomerization of the hydroboration products was also studied. Hydroboratio
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13

LeCloux, Daniel D., and William B. Tolman. "Synthesis and transition metal complexation of an enantiomerically pure tris(pyrazolyl)hydroborate ligand." Journal of the American Chemical Society 115, no. 3 (1993): 1153–54. http://dx.doi.org/10.1021/ja00056a052.

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14

Khan, Ezzat, and Bernd Wrackmeyer. "Synthesis, NMR characterization and reactivity of 1-silacyclohex-2-ene derivatives." Open Chemistry 10, no. 5 (2012): 1633–39. http://dx.doi.org/10.2478/s11532-012-0079-1.

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AbstractThe chloro functionality of allyldichlorosilane (HSiCl2(C3H5)) and allyldichloromethylsilane (MeSiCl2(C3H5)) were replaced by alkynyl groups and new compounds, allyldialkynylsilane 1 and allyldialkynylmethylsilane 2, were obtained. These silanes, which served as starting materials for the onward reactions, were purified by fractional distillation. They were further subjected to hydroboration with 9-BBN (9-borabicyclo[3.3.1]nonane) and were converted into 1-silacyclohex-2-ene derivatives 5 and 6. The competition between C≡C and C=C in the reaction was studied. The hydroborating reagent
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15

Xu, Gan, Zheng Wang, Rong Ling, Jie Zhou, Xu-Dong Chen, and Richard H. Holm. "Ligand metathesis as rational strategy for the synthesis of cubane-type heteroleptic iron–sulfur clusters relevant to the FeMo cofactor." Proceedings of the National Academy of Sciences 115, no. 20 (2018): 5089–92. http://dx.doi.org/10.1073/pnas.1801025115.

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Molybdenum-dependent nitrogenases catalyze the transformation of dinitrogen into ammonia under ambient conditions. The active site (FeMo cofactor) is the structurally and electronically complex weak-field metal cluster [MoFe7S9C] built of Fe4S3 and MoFe3S3C portions connected by three sulfur bridges and containing an interstitial carbon atom centered in an Fe6 trigonal prism. Chemical synthesis of this cluster is a major challenge in biomimetic inorganic chemistry. One synthetic approach of core ligand metathesis has been developed based on the design and synthesis of unprecedented incomplete
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16

Eagle, Aston A., Robert W. Gable, and Charles G. Young. "Synthesis and Structure of the Dinuclear Tungsten(V) Complex {HB(Me2C3N2H)3}WS(µ-S)2WS(S2PPh2)." Australian Journal of Chemistry 52, no. 9 (1999): 827. http://dx.doi.org/10.1071/ch99050.

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The complex LW V S(µ-S) 2 W V S(S 2 PPh 2 ) [L = tris(3,5-dimethylpyrazol-1-yl)hydroborate] results from the reaction of LW VI O 2 Cl with PPh 3 in refluxing pyridine, followed by the addition of NH 4 S 2 PPh 2 and reflux for a further 4 days. Crystals of LWS(µ-S) 2 WS(S 2 PPh 2 )·0.5CH 2 Cl 2 are monoclinic and belong to space group Cc with a 12.356(2), b 30.067(6), c 22.082(4) Å, β 96.08(2)° and Z 8. Refinement of 10507 data measured with Mo Kα radiation converged at R 0.0466 and R w 0.1421. The two independent molecules in the unit cell are dinuclear with a syn-[W 2 S 2 (µ-S) 2 ] 2+ core. O
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17

Kim, Do Young, Yujian You, and Gregory S. Girolami. "Synthesis and crystal structures of two (cyclopentadienyl)titanium(III) hydroborate complexes, [Cp∗TiCl(BH4)]2 and Cp2Ti(B3H8)." Journal of Organometallic Chemistry 693, no. 6 (2008): 981–86. http://dx.doi.org/10.1016/j.jorganchem.2007.12.017.

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18

Aldridge, Simon, Alexander J. Blake, Anthony J. Downs, and Simon Parsons. "The methylzinc hydroborate derivative [(MeZn)2B3H7]2: synthesis, crystal structure and vibrational spectra of an unprecedented cluster compound." Journal of the Chemical Society, Chemical Communications, no. 13 (1995): 1363. http://dx.doi.org/10.1039/c39950001363.

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19

LeCloux, Daniel D., Christopher J. Tokar, Masahisa Osawa, Robert P. Houser, Michael C. Keyes, and William B. Tolman. "Optically Active and C3-Symmetric Tris(pyrazolyl)hydroborate and Tris(pyrazolyl)phosphine Oxide Ligands: Synthesis and Structural Characterization." Organometallics 13, no. 7 (1994): 2855–66. http://dx.doi.org/10.1021/om00019a048.

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20

Young, CG, F. Janos, MA Bruck, PA Wexler, and JH Enemark. "Nitridomolybdenum Complexes of Tris(3,5-dimethylpyrazol-1-yl)Hydroborate and the X-Ray Crystal-Structure of {HB(3,5-Me2C3N2H)3)MoN(N3)2." Australian Journal of Chemistry 43, no. 8 (1990): 1347. http://dx.doi.org/10.1071/ch9901347.

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The reaction of (NEt4)2[MoNCl5] and K{HB(Me2pz)3}[HB(Me2pz)3- = tris (3,5- dimethylpyrazol-1-yl) hydroborate anion] produces both purple, diamagnetic {HB(Me2pz)3}MoNCl2 (1) and yellow, paramagnetic Net4 [{HB(Me2pz)3}MoNCl2] (2) (e.s.r.: {g} 1.961, {a}(95Mo) 57×10-4 cm-1), which have been separately isolated under different conditions. In contrast, the reaction of [ MoN (N3)4]- with Na{HB(Me2pz)3} results in the exclusive formation of red {HB(Me2pz)3} MoN (N3)2 (3). Crystals of (3) are monoclinic and belong to space group P21/n with a 16.440(2), b 8.787(2), c 16.754(2) Ǻ,β 112.47(1)°, V 2236.4
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21

Li, Yue, Jia Wei, Jie Han та Xu-Dong Chen. "Synthesis and crystal structure of the cluster (Et4N)[(Tp*)MoFe3S3(μ3-NSiMe3)(N3)3]". Acta Crystallographica Section E Crystallographic Communications 80, № 6 (2024): 691–94. http://dx.doi.org/10.1107/s2056989024004833.

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The title compound, tetraethylammonium triazidotri-μ3-sulfido-[μ3-(trimethylsilyl)azanediido][tris(3,5-dimethylpyrazol-1-yl)hydroborato]triiron(+2.33)molybdenum(IV), (C8H20N)[Fe3MoS3(C15H22BN6)(C3H9NSi)(N3)3] or (Et4N)[(Tp*)MoFe3S3(μ3-NSiMe3)(N3)3] [Tp* = tris(3,5-dimethylpyrazol-1-yl)hydroborate(1−)], crystallizes as needle-like black crystals in space group P\overline{1}. In this cluster, the Mo site is in a distorted octahedral coordination model, coordinating three N atoms on the Tp* ligand and three μ3-bridging S atoms in the core. The Fe sites are in a distorted tetrahedral coordination
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22

Kraus, Florian, Monalisa Panda, Thomas Müller, and Barbara Albert. "closo-Hydroborates from Liquid Ammonia: Synthesis and Crystal Structures of [Li(NH3)4]2[B12H12]·2NH3, Rb2[B12H12]·8NH3, Cs2[B12H12]·6NH3and Rb2[B10H10]·5NH3." Inorganic Chemistry 52, no. 8 (2013): 4692–99. http://dx.doi.org/10.1021/ic4002972.

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23

Carrier, Susan M., Christy E. Ruggiero, Robert P. Houser, and William B. Tolman. "Synthesis, structural characterization, and electrochemical behavior of copper(I) complexes of sterically hindered tris(3-tert-butyl- and 3,5-diphenylpyrazolyl)hydroborate ligands." Inorganic Chemistry 32, no. 22 (1993): 4889–99. http://dx.doi.org/10.1021/ic00074a039.

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24

Amoroso, Angelo J., Alexander M. Cargill Thompson, John C. Jeffery, Peter L. Jones, Jon A. McCleverty, and Michael D. Ward. "Synthesis of the new tripodal ligand tris-[3-(2′-pyridyl)pyrazol-1-yl]hydroborate, and the crystal structure of its europium(III) complex." J. Chem. Soc., Chem. Commun., no. 24 (1994): 2751–52. http://dx.doi.org/10.1039/c39940002751.

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25

Liu, Fu-Chen, Jianping Liu, Edward A. Meyers та Sheldon G. Shore. "Cyclic Hydroborate Complexes of Metallocenes III. Syntheses and Structures of Zirconocene Boracyclohexane Derivatives Cp2Zr(X){(μ-H)2BC5H10} (X = H, CH3, H2BC5H10)†". Inorganic Chemistry 37, № 13 (1998): 3293–300. http://dx.doi.org/10.1021/ic9803917.

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26

Kraus, Florian, Monalisa Panda, Thomas Mueller, and Barbara Albert. "ChemInform Abstract: closo-Hydroborates from Liquid Ammonia: Synthesis and Crystal Structures of [Li(NH3)4]2[B12H12]·2NH3, Rb2[B12H12]·8NH3, Cs2[B12H12]·6NH2and Rb2[B10H10]·5NH3." ChemInform 44, no. 25 (2013): no. http://dx.doi.org/10.1002/chin.201325014.

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27

Jordan, Fu-Chen Liu, and Sheldon G. Shore. "Cyclic Hydroborate Complexes of Metallocenes. 1. Organodiborate Ring Transformations Promoted by Zirconocene and Hafnocene Dichlorides. Syntheses and Structures of Zirconocene and Hafnocene Boracyclopentane Derivatives." Inorganic Chemistry 36, no. 24 (1997): 5597–602. http://dx.doi.org/10.1021/ic970758s.

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28

Chisholm, Malcolm H., Judith C. Gallucci, and Gulsah Yaman. "Synthesis and coordination chemistry of TpC*MI complexes where M = Mg, Ca, Sr, Ba and Zn and TpC* = tris[3-(2-methoxy-1,1-dimethyl)pyrazolyl]hydroborate." Dalton Trans., no. 2 (2009): 368–74. http://dx.doi.org/10.1039/b812228h.

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29

Conry, Rebecca R., Guanzhen Ji, and A. Alex Tipton. "Synthesis and Characterization of Copper(I) Complexes with a Fairly Bulky Tris(pyrazolyl)hydroborate Ligand. Probing the Flexibility of the Metal-Containing Pocket Formed by the Ligand." Inorganic Chemistry 38, no. 5 (1999): 906–13. http://dx.doi.org/10.1021/ic980851w.

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Liu, Jianping, Edward A. Meyers та Sheldon G. Shore. "Cyclic Hydroborate Complexes of Metallocenes II: Reactivity of (μ-H)2(BC5H10)2and Its Cyclic Derivative, [H2BC5H10]-; Synthesis of (η5-C5H5)2MCl(μ-H)2BC5H10(M = Zr, Hf)". Inorganic Chemistry 37, № 3 (1998): 496–502. http://dx.doi.org/10.1021/ic971275r.

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31

Liu, Fu-Chen, Bin Du, Jianping Liu, Edward A. Meyers та Sheldon G. Shore. "Cyclic Hydroborate Complexes of Metallocenes. V. Syntheses and Structures of Zirconocene Organoborate Derivatives: Cp2ZrH{(μ-H)2BC4H8}, Cp2Zr(CH2Ph){(μ-H)2BC4H8}, and Cp2Zr(CH2Ph){(μ-H)2BC5H10}". Inorganic Chemistry 38, № 13 (1999): 3228–34. http://dx.doi.org/10.1021/ic990221+.

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32

Kühl, Olaf, Steffen Blaurock, Joachim Sieler та Evamarie Hey-Hawkins. "Metallatriphos complexes: synthesis and molecular structure of [TpZr(OCH2PPh2)3] (Tp=tris(pyrazolyl)hydroborate) and formation of the heterodinuclear complex [TpZr(μ-OCH2PPh2)3Mo(CO)3] with bridging phosphinoalkoxide ligands". Polyhedron 20, № 17 (2001): 2171–77. http://dx.doi.org/10.1016/s0277-5387(01)00811-7.

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33

Ghosh, Prasenjit, and Gerard Parkin. "Terminal hydrochalcogenido and bridging selenido derivatives of magnesium supported by tris(3-p-tolylpyrazolyl)hydroborate ligation: the syntheses and structures of [Tp p-Tol]MgEH (E = S, Se) and {[Tp p-Tol]Mg}2Se." Chemical Communications, no. 10 (1996): 1239. http://dx.doi.org/10.1039/cc9960001239.

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Amoroso, Angelo J., John C. Jeffery, Peter L. Jones, Jon A. McCleverty, and Michael D. Ward. "Complexes of a hexadentate podand ligand with actinides; The syntheses and crystal structures of [Th(TpPy)(NO3)3] · (dmf) · (Et2O)0.5 and trans-[UO2(TpPy)(OEt)] TpPy = tris[3-(2′-pyridyl)pyrazol-1-yl]hydroborate." Polyhedron 15, no. 12 (1996): 2023–27. http://dx.doi.org/10.1016/0277-5387(95)00451-3.

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35

Halcrow, Malcolm A., Eric J. L. McInnes, Frank E. Mabbs, et al. "Syntheses, structures and electrochemistry of [CuL1(LR)]BF4 [L1 = 3-{2,5-dimethoxyphenyl)-1-(2-pyridyl)pyrazole; LR = tris(3-arylpyrazolyl)hydroborate] and [CuL12][BF4]2. Effects of graphitic interactions on the stability of an aryl radical cation †." Journal of the Chemical Society, Dalton Transactions, no. 21 (1997): 4025–36. http://dx.doi.org/10.1039/a700317j.

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36

Dilworth, Jonathan R., Vernon C. Gibson, Nicola Davies, Carl Redshaw, Andrew P. White та David J. Williams. "Bis(isodiazene) and related complexes of molybdenum(VI). Syntheses and structures of [Mo(OTf )2(NNPh2)2(py)2], [MoCl(OTf )(NNPh2){NC5H3(CH2C(O)Ph2)2-2,6}], [{MoCl(NNPh2)2(μ-Cl)(NH2But)}2] and [MoTp′Cl(NNPh2)2] [OTf = O3SCF3, Tp′ = tris(3,5-dimethylpyrazolyl)hydroborate]". Journal of the Chemical Society, Dalton Transactions, № 16 (1999): 2695–99. http://dx.doi.org/10.1039/a903372f.

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Zwart, Guilhem, Alexis Mifleur, Gabriel Durin, Emmanuel Nicolas, and Thibault Cantat. "Hydrogenolysis of haloboranes: from synthesis of hydroboranes to formal hydroboration reactions." Angewandte Chemie, August 6, 2024. http://dx.doi.org/10.1002/ange.202411468.

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Hydroboranes are versatile reagents in synthetic chemistry, but their synthesis relies on energy‐intensive processes. Herein, we report a new method for the preparation of hydroboranes from hydrogen and the corresponding haloboranes. Triethylamine (NEt3) form with dialkylchloroboranes a Frustrated Lewis Pair (FLP) able to split H2 and afford the desired hydroborane with ammonium salts. Unreactive haloboranes were unlocked using a catalytic amount of Cy2BCl, enabling the synthesis of commonly used hydroboranes such as pinacolborane or catecholborane. The mechanisms of these reactions have been
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38

Zwart, Guilhem, Alexis Mifleur, Gabriel Durin, Emmanuel Nicolas, and Thibault Cantat. "Hydrogenolysis of haloboranes: from synthesis of hydroboranes to formal hydroboration reactions." Angewandte Chemie International Edition, August 6, 2024. http://dx.doi.org/10.1002/anie.202411468.

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Hydroboranes are versatile reagents in synthetic chemistry, but their synthesis relies on energy‐intensive processes. Herein, we report a new method for the preparation of hydroboranes from hydrogen and the corresponding haloboranes. Triethylamine (NEt3) form with dialkylchloroboranes a Frustrated Lewis Pair (FLP) able to split H2 and afford the desired hydroborane with ammonium salts. Unreactive haloboranes were unlocked using a catalytic amount of Cy2BCl, enabling the synthesis of commonly used hydroboranes such as pinacolborane or catecholborane. The mechanisms of these reactions have been
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39

Kostera, Sylwia, Maurizio Peruzzini, and Luca Gonsalvi. "Recent Advances in Metal Catalyst Design for CO2 Hydroboration to C1 Derivatives." January 4, 2021. https://doi.org/10.3390/catal11010058.

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The use of CO2 as a C1 building block for chemical synthesis is receiving growing attention, due to the potential of this simple molecule as an abundant and cheap renewable feedstock. Among the possible reductants used in the literature to bring about CO2 reduction to C1 derivatives, hydroboranes have found various applications, in the presence of suitable homogenous catalysts. The current minireview article summarizes the main results obtained since 2016 in the synthetic design of main group, first and second row transition metals for use as catalysts for CO2 hydroboration.
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40

Park, Sehoon. "First‐Row Transition Metal‐Catalyzed Single Hydroelementation of N‐Heteroarenes." ChemCatChem, November 29, 2023. http://dx.doi.org/10.1002/cctc.202301422.

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Catalytic partial reduction of N‐heteroarenes with H2 or H[E] (E = Si, B‐based) has been a useful and general method for synthesis of a broad range of dihydropyridines (DHP) and dihydroquinolines (DHQ). In recent seven years, one of the most notable advances in this context is being able to utilize earth‐abundant and inexpensive first‐row transition metal‐based catalytic systems. These catalytic procedures are generally considered more environmentally benign and sustainable when compared to conventional catalytic systems relying on precious metals. This Review describes 20 molecular catalytic
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41

Liu, Chengwei, Yilin Ma, and Wei Zhou. "Samarium Diiodide/Samarium‐Mediated Deoxygenative Hydroborylation of Aldehydes." European Journal of Organic Chemistry, December 23, 2024. https://doi.org/10.1002/ejoc.202401249.

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A samarium diiodide/samarium‐mediated direct deoxygenative hydroborylation of aldehydes with hydroborate ester has been reported. In this method, unactivated aldehydes and hydroborate ester have been employed as starting materials for the synthesis of primary alkyl borate esters. Broad substrate scope and excellent functional group tolerance has been demonstrated that this is a robust method for deoxygenative hydroborylation of aldehydes.
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42

Prakash, Aishwarya, Suma Basappa, Rajashri R. Urkude, Ravindra Jangir, Rajendra S. Dhayal, and Shubhankar Kumar Bose. "Zero‐Valent Copper Catalysis Enables Regio‐ and Stereoselective Difunctionalization of Alkynes." Angewandte Chemie International Edition, January 13, 2025. https://doi.org/10.1002/anie.202418901.

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The development of a metallic copper‐based catalyst system remains a significant challenge. Herein, we report the synthesis of highly stable, active, and reusable Cu0 catalyst for the carboboration of alkynes using carbon electrophiles and bis(pinacolato)diboron (B2pin2) as chemical feedstocks to afford di‐ and trisubstituted vinylboronate esters in a regio‐ and stereoselective manner with appreciable turnover number (TON) of up to 2535 under mild reaction conditions. This three‐component coupling reaction works well with a variety of substituted electrophiles and alkynes with broad functional
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43

Prakash, Aishwarya, Suma Basappa, Rajashri R. Urkude, Ravindra Jangir, Rajendra S. Dhayal, and Shubhankar Kumar Bose. "Zero‐Valent Copper Catalysis Enables Regio‐ and Stereoselective Difunctionalization of Alkynes." Angewandte Chemie, January 13, 2025. https://doi.org/10.1002/ange.202418901.

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The development of a metallic copper‐based catalyst system remains a significant challenge. Herein, we report the synthesis of highly stable, active, and reusable Cu0 catalyst for the carboboration of alkynes using carbon electrophiles and bis(pinacolato)diboron (B2pin2) as chemical feedstocks to afford di‐ and trisubstituted vinylboronate esters in a regio‐ and stereoselective manner with appreciable turnover number (TON) of up to 2535 under mild reaction conditions. This three‐component coupling reaction works well with a variety of substituted electrophiles and alkynes with broad functional
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44

Gao, Haopeng, Robert Müller, Elisabeth Irran, Hendrik F. T. Klare, Martin Kaupp, and Martin Oestreich. "Competition for Hydride Between Silicon and Boron: Synthesis and Characterization of a Hydroborane‐Stabilized Silylium Ion." Chemistry – A European Journal 28, no. 12 (2022). http://dx.doi.org/10.1002/chem.202104464.

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45

Qiu, Shu-Juan, Jia Wei, Hong-Ying Zhang, et al. "Nitride‐Bridged Mo‐Fe‐S Double‐Cubanes: Syntheses, Redox Behaviors and Comparison with their W Analogs." European Journal of Inorganic Chemistry, July 2, 2024. http://dx.doi.org/10.1002/ejic.202400245.

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The FeMo cofactor (FeMoco) of the Mo‐dependent nitrogenase was identified as a Mo‐Fe‐S cluster incorporating a 2p atom in the core. The edge‐bridged double‐cubane (EBDC, [M2Fe6(µ3‐S)6(µ4‐S)2]z (M = Mo/V; z denotes charge)) clusters were demonstrated to undergo rearrangement reactions to generate the apex‐fused double‐cubane clusters ([M2Fe6(μ2‐S)2(μ3‐S)6(μ6‐S)]z) as mimics of the PN‐clusters. The introduction of 2p atoms into the core of EBDC clusters will furnish the possibility of mimicking the FeMoco structure through rearrangement. In this work, an EBDC Mo‐Fe‐S cluster with core nitrides,
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46

FRYZUK, M. D., S. J. RETTIG, A. WESTERHAUS та H. D. WILLIAMS. "ChemInform Abstract: Synthesis, Stability, and Fluxional Behavior of Binuclear Mixed-Hydride -Tetra-hydroborate Complexes of Hafnium(IV): X-Ray Crystal Structure of [[(Me2PCH2SiMe2)2N]Hf(BH4)2](μ-H)3[Hf(BH4)[N(SiMe2CH2PMe2)2]]". Chemischer Informationsdienst 17, № 14 (1986). http://dx.doi.org/10.1002/chin.198614277.

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