Výsledky vyhledávání

Nickel–Borolide Complexes and Their Complex Electronic Structure

Autor: Hao Tang, Michael Nippe, Michael B. Hall, Sam Yruegas, Xiaojun Su, Siyoung Sung, Gayle Z. Bornovski, Caleb D. Martin

Publikováno v: Inorganic Chemistry. 60:16160-16167

Borolides (BC42-) can be considered as dianionic heterocyclic analogues of monoanionic cyclopentadienides. Although both are formally six-π-electron donors, we herein demonstrate that the electronic structure of their corresponding transition metal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e10093853c12a717c851fc67a841ded1
https://doi.org/10.1021/acs.inorgchem.1c01845

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Scrutinizing Formally NiIV Centers through the Lenses of Core Spectroscopy, Molecular Orbital Theory, and Valence Bond Theory

Autor: Ida DiMucci, Charles Titus, Dennis Nordlund, James Bour, Eugene Chong, Mikhail Kosobokov, Caleb Martin, Noel Nebra, David Vicic, Sam Yruegas, Samantha MacMillan, Jason Shearer, Kyle Lancaster

Nickel K- and L2,3-edge X-ray absorption spectra (XAS) are discussed for 13 molecules with nickel centers spanning a range of formal oxidation states from II to IV. K-edge XAS is shown to be an unreliable metric of physical oxidation state for these

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::214bffb34193ff1f7b895e3e0356704c
https://doi.org/10.26434/chemrxiv-2022-z7tc5

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9-Borafluorenes: Synthesis, Properties, and Reactivity

Autor: John R. Tidwell, Caleb D. Martin, Alba Pujol, Tyler A. Bartholome, Xiaojun Su, Sam Yruegas, Jesse J. Martinez

Publikováno v: Chemical Reviews. 121:4147-4192

This review covers all aspects of 9-borafluorene chemistry, from the first attempted synthesis in 1960 to the present. This class of molecules consists of a tricyclic system featuring a central antiaromatic BC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfd669f8f098b63b25fc12942b80dfbc
https://doi.org/10.1021/acs.chemrev.0c01068

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Synthesis of Cationic, Dimeric α-Diimine Nickel Hydride Complexes and Relevance to the Polymerization of Olefins

Autor: Nadia G. Léonard, Paul J. Chirik, Sam Yruegas, Suzzy Chen Hsi Ho, Aaron Sattler, Máté J. Bezdek

Publikováno v: Organometallics. 39:2630-2635

Well-defined nickel hydride complexes bearing aryl-substituted α-diimine (iPrDI = N,N′-bis(2,6-diisopropylphenyl)-2,3-butanediimine or MesDI = N,N′-bis(2,4,6-trimethylphenyl)-2,3-butanediimine) lig...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a63f7ed7830fae3f36a797b730659cac
https://doi.org/10.1021/acs.organomet.0c00257

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Total Synthesis of (±)‐Phyllantidine: Development and Mechanistic Evaluation of a Ring Expansion for Installation of Embedded Nitrogen‐Oxygen Bonds

Autor: Sam Yruegas, Joshua B. Cox, Kenneth B. Wiberg, John L. Wood, Lin Liu, Amy C. Jackson, Kyle M. Lambert

Publikováno v: Angew Chem Int Ed Engl

The development of a concise total synthesis of (±)-phyllantidine (1), a member of the securinega family of alkaloids containing an unusual oxazabicyclo[3.3.1]nonane core, is described. The synthesis employs a unique synthetic strategy featuring the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::300cc9f9603a9d1d961d360d52077db2
https://doi.org/10.1002/ange.202003829

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Investigating the reactivity of 9-phenyl-9-borafluorene with N H, O H, P H, and S H bonds

Autor: Sam Yruegas, Caleb D. Martin, Leif E. Laperriere

Publikováno v: Tetrahedron. 75:937-943

The reactions of 9-phenyl-9-borafluorene with N H, P H, O H, and S H containing substrates were investigated. Protodeborylation reactions were observed for phenol, water, aniline, and para-bromothiophenol. In the water reaction, both O H bonds reacte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4695aae257d276f784f316a6c9b6842
https://doi.org/10.1016/j.tet.2018.12.034

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Synthesis of 9-borafluorene analogues featuring a three-dimensional 1,1'-bis(o-carborane) backbone

Autor: Jonathan C. Axtell, Caleb D. Martin, Alexander M. Spokoyny, Kent O. Kirlikovali, Sam Yruegas

Publikováno v: Chemical communications (Cambridge, England), vol 55, iss 20

The synthesis of [1,1’-bis(o-carboranyl)]boranes was achieved through the deprotonation of 1,1’-bis(o-carborane) reagents followed by salt metathesis with ((i)Pr)(2)NBCl(2). X-ray crystallography confirms planar central BC(4) rings and Gutmann-Be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a29ddff01570bcbf4305f45f4217a494
https://pubmed.ncbi.nlm.nih.gov/30706915

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Coordination and Ring Expansion of 1,2-Dipolar Molecules with 9-Phenyl-9-borafluorene

Autor: Venkata A. K. Adiraju, Kristen R. Bluer, Sam Yruegas, Alba Pujol, Caleb D. Martin, Leif E. Laperriere

Publikováno v: Organometallics. 37:2917-2927

The reactivity of 9-phenyl-9-borafluorene with a series of 1,2-dipolar organic molecules is investigated, revealing that either adducts or seven-membered heterocycles are generated. A nitrile, imine, and isonitrile formed the corresponding coordinati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::826e527b2c60218365c739eec423efc1
https://doi.org/10.1021/acs.organomet.8b00497

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