Christoph Janiak, S. Temizdemir, Tobias G. Scharmann, A. Schmalstieg, J. Demtschuk,
The coordination of the modified poly(azolyl)borato ligand hydrotris(1,2,4-triazolyl)borato (L) with main group metals leads to complexes with coordination numbers of eight and the formula [ ... octahedral CaTp2 and PbTp2 complexes [Tp = hydrotris(pyrazolyl)borato]. The calcium, strontium, and lead complexes are isostructural. ... more ionic bonding to the modified tris(triazolyl)borato ligand when compared to analogous M–Tp complexes. Hydrotris(1,2,4-triazolyl)borato Komplexe mit den Hauptgruppenelementen Ca, Sr und Pb – ...
Tópico(s): Metal complexes synthesis and properties
2000 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
Guillermo Chong, Juan José Pueyo, Cecilia Demergasso,
... pero sus reservas no han sido evaluadas. Los boratos se encuentran en cuerpos estratificados lenticulares, conocidos como ` ... economica conocido en Chile es la ulexita, un borato doble de Na y Ca, mientras que otros ... Una segunda alternativa es la recuperacion economica de borato como subproducto en la explotacion de salmueras ricas ... Pampa del Tamarugal y corresponden a horizontes de boratos asociados a paleosuelos. Finalmente, otras alternativas, economicamente irrelevantes en la actualidad, son la recuperacion de boratos de las salmueras de los campos geotermicos o ...
Tópico(s): Chemical and Environmental Engineering Research
2000 - National Geology and Mining Service | Revista geológica de Chile
David L. Hughes, G. Jeffery Leigh, David G. Walker,
The reaction of trichloro[tris(pyrazolyl)borato]titanium(IV) with hydrazines yields titanium(IV) hydrazido(1–)-species, whereas the corresponding derivative of 3,5-dimethylpyrazole yields titanium(III) compounds ... latter products, trimethylhydrazinium trichloro[tris(3,5-dimethylpyrazolyl)borato]-titanate(III) and dichloro(3,5-dimethylpyrazole)[tris(3,5-dimethylpyrazolyl)borato]titanium(III), are described.
Tópico(s): Synthesis and Characterization of Heterocyclic Compounds
1988 - Royal Society of Chemistry | Journal of the Chemical Society. Dalton transactions
Guillermo Chong, Juan José Pueyo, Cecilia Demergasso,
... pero sus reservas no han sido evaluadas. Los boratos se encuentran en cuerpos estratificados lenticulares, conocidos como ` ... economica conocido en Chile es la ulexita, un borato doble de Na y Ca, mientras que otros ... Una segunda alternativa es la recuperacion economica de borato como subproducto en la explotacion de salmueras ricas ... Pampa del Tamarugal y corresponden a horizontes de boratos asociados a paleosuelos. Finalmente, otras alternativas, economicamente irrelevantes en la actualidad, son la recuperacion de boratos de las salmueras de los campos geotermicos o ...
Tópico(s): Botany and Geology in Latin America and Caribbean
2010 - National Geology and Mining Service | Andean geology
... title compounds, poly[[mu4-dihydrobis(pyrazol-1-yl)borato-kappa2N,N']potassium(I)], [K(C6H8BN4)]n, (I), ... Di-mu-chlorido-bis[dihydridobis(pyrazol-1-yl)borato]tris(tetrahydrofuran)dimagnesium(II), [Mg2(C6H8BN4)2Cl2(C4H8O) ... bis-chelate compounds bis[dihydridobis(pyrazol-1-yl)borato-kappa2N,N'](tetrahydrofuran-kappaO)magnesium(II), [Mg(C6H8BN4) ... C4H8O)], (III), and bis[dihydridobis(pyrazol-1-yl)borato-kappa2N,N']bis(tetrahydrofuran-kappaO)magnesium(II), [Mg( ...
Tópico(s): Coordination Chemistry and Organometallics
2008 - Wiley | Acta Crystallographica Section C Crystal Structure Communications
Christoph Janiak, Tobias G. Scharmann, Jennifer C. Green, Richard P. G. Parkin, Mario J. Kolm, Erwin Riedel, Wulfhard Mickler, José Elguero, Rosa M. Charamunt, Dionísia Sanz,
... of substituting CH with N in poly(pyrazolyl)‐borato ligands and their transition‐metal complexes is shown ... cyclovoltammograms and photoelectron spectra of bis(hydrotris(azolyl)borato)‐iron(II) and ‐cobalt(II) complexes (azolyl = pyrazolyl ... spectra of bis(hydrotris(1,2,4‐triazolyl)‐borato)iron(II) show that there is a fine‐ ... or N‐3 positions in the poly(azolyl)borato anions, where azolyl is 1,2,4‐triazolyl ...
Tópico(s): Metal complexes synthesis and properties
1996 - Wiley | Chemistry - A European Journal
M. F. Gazulla, M. P. Gómez, M. Orduña, G. Silva,
... trabajo se ha establecido una metodología para caracterizar boratos naturales y sintéticos utilizados como materia prima en ... información detallada al respecto.Se han analizado cuatro boratos naturales, tres colemanitas de diferente riqueza y una ulexita, así como dos boratos sintéticos, un ácido bórico y un bórax pentahidratado. ...
Tópico(s): Recycling and utilization of industrial and municipal waste in materials production
2005 - Elsevier BV | Boletín de la Sociedad Española de Cerámica y Vidrio
Tomasz Ruman, Z. Ciunik, E. Szklanny, Stanisław Wołowiec,
... bis[hydrotris(3-phenyl,5-methylpyrazol-1-yl)borato]cobalt(II), bis[hydrobis(3-phenyl,5-methylpyrazol-1-yl)(3-methyl,5-phenylpyrazol-1-yl)borato]cobalt(II) and bis[hydrobis(3-phenyl,5- ... 1-yl)(3-methyl,5-phenylpyrazol-1-yl)borato]copper(II) and their structures were elucidated crystallographically. ... 1-yl)(3-methyl,5-phenylpyrazol-1-yl)borato]cobalt(II) complex were detected in solution.
Tópico(s): Organometallic Compounds Synthesis and Characterization
2002 - Elsevier BV | Polyhedron
Christos Apostolidis, J. Rébizant, Olaf Walter, Β. Kanellakopulos, Hauke Reddmann, H.‐D. Amberger,
... FIR-spektroskopischen Befunden hat Tris(hydrotris(1-pyrazolyl)borato)europium(III) (EuTp3) gemäß dem Ergebnis einer Einkris ... and Molecular Structure of Tris(hydrotris(1-pyrazolyl)borato)lanthanide(III) (LnTp3; Ln = La, Eu), and Electronic ... Eu3+ central ion of tris(hydrotris(1-pyrazolyl)borato)europium(III) (EuTp3) is coordinated according to a ...
Tópico(s): Organometallic Complex Synthesis and Catalysis
2002 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
Tomasz Ruman, Z. Ciunik, J. Mazurek, Stanisław Wołowiec,
... The molecular structures of [dihydrobis(3,5-diphenylpyrazolyl)borato][hydrobis(3,5-dimethylpyrazolyl)(3,5-diphenylpyrazolyl)borato]cobalt(II) and bis[dihydro(3,5-dimethylpyrazolyl)(3,5-diphenylpyrazolyl)borato]cobalt(II) complexes were established by X-ray ... Additionally, the pentacoordinate homoscorpionate [tris(3,5-diphenylpyrazolyl)borato]cobalt(II) nitrate side product was obtained from ...
Tópico(s): Lanthanide and Transition Metal Complexes
2002 - Wiley | European Journal of Inorganic Chemistry
Charles Edwin Webster, Daniel A. Singleton, Michael J. Szymanski, Michael B. Hall, Cunyuan Zhao, Guochen Jia, Zhenyang Lin,
... V) complexes hydridotris(3,5-dimethylpyrazol-1-yl)borato tetrahydride (Tp*IrH4) and hydridotris(pyrazol-1-yl)borato tetrahydride (TpIrH4) have been interpreted as supporting face- ... coupled cluster calculations on hydridotris(pyrazol-1-yl)borato iridium tetrahydrogen find that a Cs edge-bridged ...
Tópico(s): Lanthanide and Transition Metal Complexes
2001 - American Chemical Society | Journal of the American Chemical Society
Ana L. Acosta, Jeffrey I. Zink, Jinwoo Cheon,
... and UV−vis absorption spectra of (hydrotris(pyrazolyl)borato)(triphenylarsine)copper(I), (CuTpAsPh3), (hydrotris(pyrazolyl)borato)(triethylamine)copper(I), (CuTpNEt3), and (hydrotris(pyrazolyl)borato)(triphenylphosphine)copper(I), (CuTpPPh3), are reported. The spectra ...
Tópico(s): Chemical Reaction Mechanisms
2000 - American Chemical Society | Inorganic Chemistry
J. Reglinski, Mark D. Spicer, Mark M. Garner, Alan R. Kennedy,
... Metathesis Reactions: Synthesis of the [Bis(hydrotris(methimazolyl)borato]bismuth(III) [Bis(hydrotris(pyrazolyl)borato]sodiateJohn Reglinski, Mark D. Spicer, Mark Garner, and ...
Tópico(s): Ferrocene Chemistry and Applications
1999 - American Chemical Society | Journal of the American Chemical Society
Christoph Janiak, Tobias G. Scharmann, Thomas Bräuniger, Jana Holubová, Milan Nádvornı́k,
... of bis{hydro-tris(1,2,4-triazolyl)borato}iron(II) is investigated in bulk and as ... an Bis{hydro-tris(1,2,4-triazolyl)borato}eisen(II) Inhaltsverzeichnis. Das Spincrossover-Verhalten vonBis{hydro-tris(1,2,4-triazolyl)borato}eisen(II) wurde in Rein-substanz und in ...
Tópico(s): Metal-Catalyzed Oxygenation Mechanisms
1998 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
... advances made in the chemistry of tris(pyrazolyl)borato vanadium complexes. The physico-chemical properties of these ... oxo vanadium species, some other simple hydridotris(pyrazolyl)borato vanadium complexes have also been synthesized, but their ... focuses on the organometallic chemistry of hydridotris(pyrazolyl)borato niobium and tantalum complexes. The main advances have ...
Tópico(s): Metal complexes synthesis and properties
1996 - Elsevier BV | Coordination Chemistry Reviews
Christoph Janiak, Tobias G. Scharmann, W. Günther, Frank Girgsdies, Holger Hemling, Winfried Hinrichs, Dieter Lentz,
... structurally characterized. The compounds contain ambidentate poly(azolyl)borato ligands (azolyl = triazolyl or tetrazolyl), which can chelate ... atom over the other for the poly(triazolyl)borato ligands. The crystal structures of 11 and 12 ... substructures. In the case of the bis(triazolyl)borato ligands. The crystal structures of 11 and 12 ... substructures. In the case of the bis(tetrazolyl)borato ligand the water substructure is shown to function ...
Tópico(s): Dendrimers and Hyperbranched Polymers
1995 - Wiley | Chemistry - A European Journal
F. Guillermo Díaz, V. Marcelo Campos, A. Hugo Klahn,
... and Raman spectra of the complexes hydrotris(pyrazolyl)borato rhenium tricarbonyl [TpRe(CO)3] and hydrotris(3,5-dimethylpyrazolyl)borato rhenium tricarbonyl [Tp∗Re(CO)3] and their ... the better donor ability of the hydrotris(pyrazolyl)borato in comparison with the cyclopentadlenyl ligand coordinated to ...
Tópico(s): Radiopharmaceutical Chemistry and Applications
1995 - Elsevier BV | Vibrational Spectroscopy
Jürgen E. Joachim, Christos Apostolidis, Β. Kanellakopulos, Ralf Maier, Manfred L. Ziegler,
Abstract The compounds [HB(Pz) 3 ]TcO 3 and [HB(3,5-Me 2 Pz) 3 ]TcO 3 were synthesized by reaction of Tc 2 O 7 with K[HB(Pz) 3 ] and Na[HB(3,5-Me 2 Pz) 3 ] in THF. The IR, 1 H NMR, UV, EI-MS spectroscopic data are reported and discussed.
Tópico(s): Radiopharmaceutical Chemistry and Applications
1993 - De Gruyter | Zeitschrift für Naturforschung B
Francesco Tisato, Cristina Bolzati, Adriano Duatti, Giuliano Bandoli, Fiorenzo Refosco,
... rhenium(V) containing dithiolato and hydrotris(1-pyrazolyl)borato ligands. Crystal structures of dimeric bis(.mu.-ethane- ... 2-dithiolato)technetium(IV) and [hydrotris(1-pyrazolyl)borato](ethane-1,2-dithiolato)oxorhenium(V)Francesco Tisato, ...
Tópico(s): Magnetism in coordination complexes
1993 - American Chemical Society | Inorganic Chemistry
Massimo Bortolin, Urs E. Bucher, Heinz Rüegger, Luigi M. Venanzi, Alberto Albinati, Francesca Lianza, Swiatoslaw Trofimenko,
... ISSUEPREVArticleNEXTSynthesis and 2D NMR studies of {bis(pyrazolyl)borato}rhodium(I) complexes with weak Rh.cntdot..cntdot.. ... cyclooctane-1,5-diyl)bis(pyrazol-1-yl)borato}(1,5-cyclooctadiene)rhodiumMassimo Bortolin, Urs E. Bucher, ...
Tópico(s): Magnetism in coordination complexes
1992 - American Chemical Society | Organometallics
Swiatoslaw Trofimenko, Joseph C. Calabrese, J.K. Kochi, Stanisław Wołowiec, Frans B. Hulsbergen, J. Reedijk,
... S)(hydrotris(3-isopropyl-4-bromopyrazol-1-yl)borato)nickel(II)]-3-heptane and (thiocyanato-N)(hydrotris(3-tert-butyl-5-methylpyrazol-1-yl)borato)nickel(II)S. Trofimenko, J. C. Calabrese, J. ...
Tópico(s): Organometallic Compounds Synthesis and Characterization
1992 - American Chemical Society | Inorganic Chemistry
David Condon, George Ferguson, Fergus J. Lalor, Masood Parvez, Trevor R. Spalding,
... derivatives of molybdenum and tungsten (hydrotris(1-pyrazolyl)borato)dicarbonylarenediazo complexes and the crystal and molecular structure of (hydrotris(1-pyrazolyl)borato)bis(p-toluenethiolato)(p-fluorobenzenediazo)molybdenum(II)David ...
Tópico(s): Organometallic Compounds Synthesis and Characterization
1982 - American Chemical Society | Inorganic Chemistry
Michael Cocivera, Timothy J. Desmond, George Ferguson, B. Kaitner, Fergus J. Lalor, Daniel O’Sullivan,
... ISSUEPREVArticleNEXTStereochemically nonrigid bis(olefin)rhodium poly(1-pyrazolyl)borato complexes. 1. Synthesis and conversion into new rhodium( ... crystal and molecular structure of [tetrakis(1-pyrazolyl)borato]diiodocarbonylrhodium(III) methylene chloride solvateMichael Cocivera, Timothy J. ...
Tópico(s): Metal complexes synthesis and properties
1982 - American Chemical Society | Organometallics
Paolo Dapporto, Fabrizio Mani, Carlo Mealli,
... molecular structures of potassium tris[dihydrobis(1-pyrazolyl)borato]vanadium(II) monoalcoholate and bis[dihydrobis(1-pyrazolyl)borato]chromium(II)P. Dapporto, F. Mani, and C. ...
Tópico(s): Organometallic Compounds Synthesis and Characterization
1978 - American Chemical Society | Inorganic Chemistry
Roderic J. Restivo, George Ferguson, Daniel O’Sullivan, Fergus J. Lalor,
... crystal, and molecular structures of [tetrakis(1-pyrazolyl)borato](.eta.6-benzene)ruthenium(II) and [hydrotris(1-pyrazolyl)borato](.eta.5-pentamethylcyclopentadienyl)rhodium(II) hexafluorophosphatesRoderic J. Restivo, ...
Tópico(s): Fluorine in Organic Chemistry
1975 - American Chemical Society | Inorganic Chemistry
C.C. McLauchlan, Kenneth J. McDonald,
... N-dimethylformamide)[hydrotris(pyrazol-1-yl)borato]vanadium(III), [TpVCl2(DMF)], and its partially oxidized ... N-dimethylformamide)[hydrotris(pyrazol-1-yl)borato]oxovanadium(IV), [TpVOCl(DMF)], cocrystallize in an approximately ...
Tópico(s): Magnetism in coordination complexes
2006 - International Union of Crystallography | Acta Crystallographica Section E Structure Reports Online
Verena M. Birkelbach, Renita Thim, Christoph Stuhl, Cäcilia Maichle‐Mößmer, Reiner Anwander,
... alkyl complexes stabilized by a superbulky tris(pyrazolyl)borato ligand with the general formula [TptBu,Me LnMeR] ... cone-angle calculations of the tridentate tris(pyrazolyl)borato ligand. Deeper insights into the reactivity of these ...
Tópico(s): Metalloenzymes and iron-sulfur proteins
2019 - Wiley | Chemistry - A European Journal
Christopher C. Underwood, Bradley S. Stadelman, Mark L. Sleeper, Julia L. Brumaghim,
Tris(acetonitrile) tris(pyrazolyl)borato- and tris(pyrazolyl)methano ruthenium(II) complexes would make good synthons in ruthenium chemistry for synthesis of catalysts and DNA ... complex, the previously reported tris(acetonitrile) tris(pyrazolyl)borato ruthenium(II) complexes [TpRRu(NCCH3)3]+ (TpR = tris( ... Me) and the unreported tris(acetonitrile) tris(pyrazolyl)borato ruthenium(II) complex (R = Ph) have been synthesized ...
Tópico(s): Ferrocene Chemistry and Applications
2013 - Elsevier BV | Inorganica Chimica Acta
Hauke Reddmann, Christos Apostolidis, Olaf Walter, H.‐D. Amberger,
... Field Splitting Pattern of Tris(hydrotris(1‐pyrazolyl)borato)neodymium(III) The absorption spectrum of tris(hydrotris(1‐pyrazolyl)borato)neodymium(III) (NdTp 3 ) was run at room ...
Tópico(s): Organometallic Complex Synthesis and Catalysis
2006 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
Hauke Reddmann, Christos Apostolidis, Olaf Walter, J. Rébizant, H.‐D. Amberger,
... and Electronic Structure of Tris(hydrotris(1‐pyrazolyl)borato)samarium(III) Tris(hydrotris(1‐pyrazolyl)borato)samarium(III) (SmTp 3 ) crystallizes in the space ...
Tópico(s): Organometallic Complex Synthesis and Catalysis
2005 - Wiley | Zeitschrift für anorganische und allgemeine Chemie