Search Results - "Kucera, Benjamin E."

Analysis of the Conformational Behavior and Stability of the SAP and TSAP Isomers of Lanthanide(III) NB-DOTA-Type Chelates by Tircso, Gyula, Webber, Benjamin C, Kucera, Benjamin E, Young, Victor G, Woods, Mark

“…Controlling the water exchange kinetics of macrocyclic Gd3+ chelates, a key parameter in the design of improved magnetic resonance imaging (MRI) contrast…”
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Crystal Structures of DOTMA Chelates from Ce3+ to Yb3+: Evidence for a Continuum of Metal Ion Hydration States by Woods, Mark, Payne, Katherine M., Valente, Edward J., Kucera, Benjamin E., Young, Victor G.

“…The crystal structures of chelates formed between each stable paramagnetic lanthanide ion and the octadentate polyamino carboxylate ligand DOTMA are described…”
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Properties, Solution State Behavior, and Crystal Structures of Chelates of DOTMA by Aime, Silvio, Botta, Mauro, Garda, Zoltán, Kucera, Benjamin E, Tircso, Gyula, Young, Victor G, Woods, Mark

“…The chemistry of polyamino carboxylates and their use as ligands for Ln3+ ions is of considerable interest from the point of view of the development of new…”
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Syntheses and crystal structures of new naphthalene– and anthracene–vanadate salts and an unprecedented dimetallabis(anthracene) sandwich complex: [Na(tetrahydrofuran)3][V2(anthracene)2] by Kucera, Benjamin E., Young, Victor G., Brennessel, William W., Ellis, John E.

“…Reduction of bis(naphthalene)vanadium(0) by potassium naphthalene (KNp) in tetrahydrofuran (THF) provides a highly reactive, thermolabile, and so far…”
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Crystal structures and spectroscopic characterization of MBr2(CNXyl)n (M = Fe and Co, n = 4; M = Ni, n = 2; Xyl = 2,6‐dimethylphenyl), and of formally zero‐valent iron as a cocrystal of Fe(CNXyl)5 and Fe2(CNXyl)9 by Brennessel, William W., Kucera, Benjamin E., Young, Victor G., Ellis, John E.

“…Structures and spectroscopic characterization of the divalent complexes cis‐dibromidotetrakis(2,6‐dimethylphenyl isocyanide)iron(II) dichloromethane…”
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Niobium isocyanide complexes, Nb(CNAr)6, with Ar = 2,6‐dimethylphenyl (Xyl), a diamagnetic dimer containing four reductively coupled isocyanides, and Ar = 2,6‐diisopropylphenyl (Dipp), a paramagnetic monomer analogous to the highly unstable hexacarbonylniobium(0) by Kucera, Benjamin E., Roberts, Christopher J., Young, Victor G., Brennessel, William W., Ellis, John E.

“…Treatment of bis(mesitylene)niobium(0) with 6–7 equivalents of 2,6‐dimethylphenyl isocyanide (CNXyl) affords two products with the empirical formula Nb(CNXyl)n…”
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Bis(pyrene)metal complexes of vanadium, niobium and titanium: isolable homoleptic pyrene complexes of transition metals by Kucera, Benjamin E., Jilek, Robert E., Brennessel, William W., Ellis, John E.

“…Reduction of VCl3(THF)3 (THF is tetrahydrofuran) and NbCl4(THF)2 by alkali metal pyrene radical anion salts in THF affords the paramagnetic sandwich complexes…”
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N,N‘-Dimethylformamide-Derived Products from Catalytic Oxidation of 3-Hydroxyflavone by Malkhasian, Aramice Y. S, Finch, Maila E, Nikolovski, Borislava, Menon, Adarsh, Kucera, Benjamin E, Chavez, Ferman A

“…The biomimetic conversion of 3-hydroxyflavone in the presence of a copper(II) catalyst, dioxygen, and N,N‘-dimethylformamide to oxidation products as well as…”
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New binuclear Mn(II) and Fe(II) complexes supported by 1,4,8-triazacycloundecane by Pawlak, Piotr L, Panda, Manashi, Loloee, Reza, Kucera, Benjamin E, Costes, Jean-Pierre, Tuchagues, Jean-Pierre, Chavez, Ferman A

“…Two new binuclear metal complexes supported by 1,4,8-triazacycloundecane (tacud) are reported. [Fe(2)(tacud)(2)(μ-Cl)(2)Cl(2)] (1) and…”
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Modular syntheses of multidentate ligands with variable N-donors: applications to tri- and tetracopper(I) complexes by Brown, Eric C, Johnson, Brandon, Palavicini, Sara, Kucera, Benjamin E, Casella, Luigi, Tolman, William B

“…A general method for the preparation of multidentate ligands comprised of a multi-imine platform derived from 1,1,1-tris(aminomethyl)ethane or…”
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Self-Assembly of the 2-His-1-carboxylate Facial Triad in Mononuclear Iron(II) and Zinc(II) Models of Metalloenzyme Active Sites by Friese, Seth J, Kucera, Benjamin E, Que, Lawrence, Tolman, William B

“…A synthetic strategy involving the use of sterically hindered N-donor and terphenylcarboxylate ligands has been used to prepare complexes of iron(II) and…”
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Generation of Dimethylsilylene and Allylidene Holmium Complexes from Trimethylsilylated Allyl Ligands by White, Rosemary E, Hanusa, Timothy P, Kucera, Benjamin E

“…The reaction of K[1,3-(SiMe3)2C3H3] with partially hydrated holmium triflate leads to a dimeric complex (1) in which hydrogen abstraction from a trimethylsilyl…”
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Homoleptic isocyanidemetalates of 4d- and 5d-transition metals: [Nb(CNXyl)(6)](-), [Ta(CNXyl)(6)](-), and derivatives thereof by Barybin, Mikhail V, Brennessel, William W, Kucera, Benjamin E, Minyaev, Mikhail E, Sussman, Victor J, Young, Jr, Victor G, Ellis, John E

“…Treatment of [M(CO)(6)](-), M = Nb, Ta, with Ag(+), I(2) or NO(+) in the presence of CNXyl provided [M(CNXyl)(7)](+), M(CNXyl)(6)I, or…”
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Iron(II) Complexes of Sterically Bulky α-Ketocarboxylates. Structural Models for α-Ketoacid-Dependent Nonheme Iron Halogenases by Friese, Seth J, Kucera, Benjamin E, Young, Victor G, Que, Lawrence, Tolman, William B

“…Reaction of the sterically hindered α-ketocarboxylate 2,6-di(mesityl)benzoylformate (MesBF) with the iron(II) complexes LFeCl2 [L =…”
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[(2-(Trimethylammonium)ethyl)cyclopentadienyl]tricarbonylmetalates:  Group VI Metal Zwitterions by Fischer, Paul J, Herm, Zoey R, Kucera, Benjamin E

“…Zwitterionic [(2-(trimethylammonium)ethyl)cyclopentadienyl]tricarbonylmetalates, M(CO)3(η5-CpNMe) (M = Cr (7), Mo (8), W (9)), provide useful models to assess…”
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[(2-(Diphenylphosphino)ethyl)cyclopentadienyl]tricarbonylmetalates: Supporting Ligands for Reactions at Group VI Metal−Copper Bonds by Fischer, Paul J, Heerboth, Aaron P, Herm, Zoey R, Kucera, Benjamin E

“…Salts of [(2-(diphenylphosphino)ethyl)cyclopentadienyl]tricarbonylmetalates react with CuCl to afford useful intermediates that permit installation of…”
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High-Spin and Spin-Crossover Behavior in Monomethylated Bis(indenyl)chromium(II) Complexes by Meredith, M. Brett, Crisp, Jeffrey A, Brady, Erik D, Hanusa, Timothy P, Yee, Gordon T, Brooks, Neil R, Kucera, Benjamin E, Young, Victor G

“…Previous work on bis(indenyl)chromium(II) complexes substituted with bulky groups (i-Pr, t-Bu, SiMe3) found that their spin state (S = 1 or 2) depended on the…”
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Synthesis, structure, and magnetic properties of a new binuclear Ni(II) complex supported by 1,4,8-triazacycloundecane by Pawlak, Piotr L., Malkhasian, Aramice Y.S., Sjlivic, Bojan, Tiza, Matthew J., Kucera, Benjamin E., Loloee, Reza, Chavez, Ferman A.

“…A new binuclear nickel(II) complex, [Ni 2(tacud) 2(μ-H 2O)(μ-Cl) 2]Cl 2 (tacud = 1,4,8-triazacycloundecane), is reported. In this complex, Ni(II) centers are…”
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Homoleptic Isocyanidemetalates of 4d- and 5d-Transition Metals:  [Nb(CNXyl)6]-, [Ta(CNXyl)6]-, and Derivatives Thereof1 by Barybin, Mikhail V, Brennessel, William W, Kucera, Benjamin E, Minyaev, Mikhail E, Sussman, Victor J, Young, Victor G, Ellis, John E

“…Treatment of [M(CO)6]-, M = Nb, Ta, with Ag+, I2 or NO+ in the presence of CNXyl provided [M(CNXyl)7]+, M(CNXyl)6I, or cis-[M(CNXyl)4(NO)2]+, which are…”
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Crystal Structures of DOTMA Chelates from Ce 3+ to Yb 3+ : Evidence for a Continuum of Metal Ion Hydration States by Woods, Mark, Payne, Katherine M., Valente, Edward J., Kucera, Benjamin E., Young, Victor G.

“…The crystal structures of chelates formed between each stable paramagnetic lanthanide ion and the octadentate polyamino carboxylate ligand DOTMA are described…”
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