Výsledky vyhledávání

Ten-Vertex Polyhedral Rhodadicarbaborane Chemistry. Molecular Structure, NMR Properties, and Cluster Dynamic Behaviour of [2,2,2-(PPh3)2H-closo-2,1,6-RhC2B7H9]

Autor: Trevor R. Spalding, Bohumil Štíbr, Xavier L. R. Fontaine, John D. Kennedy, Mike Murphy, Mark Thornton-Pett, Karl Nestor

Publikováno v: Collection of Czechoslovak Chemical Communications. 58:1555-1568

The compound previously described as [6,6,6-(PPh3)2H-closo-6,3,3-RhC2B7H9] is shown by detailed multielement NMR studies and single-crystal X-ray diffraction analysis to be its isomer [2,2,2-(PPh3)2H-closo-2,1,6-RhC2B7H9] Crystals (from pentane-dieth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68e6e0cf649034568d59653e7cb99050
https://doi.org/10.1135/cccc19931555

Zobrazit plný text záznamu

ChemInform Abstract: Eleven-Vertex Polyhedral Stannadicarbaborane Chemistry. 'Naked Tin' ( closo-1,2,3-SnC2B8)-Cluster Compounds

Autor: John D. Kennedy, Bohumil Štíbr, Tomáš Jelínek, Karl Nestor

Publikováno v: ChemInform. 24

Reaction of anhydrous SnCl2 with the nido ten-vertex anions [6,9-C2B8H10]2–, [6-Me-6,9-C2B8H9]2–, [6-Ph-6,9-C2B8H9]2– or [6,9-Me2-6,9-C2B8H8]2– in tetrahydrofuran solution results in the formation of [closo-1,2,3-SnC2B8H10](59%), [2-Me-closo-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8bcb1f67aa5df446bb585acdb291092b
https://doi.org/10.1002/chin.199338283

Zobrazit plný text záznamu

Steric and metal-centre control of two-, three- and four-orbital carborane-metal interaction in tin and platinum complexes of the {C2B8H9X} ligand, where X  H and Ph

Autor: John D. Kennedy, Mark Thornton-Pett, Bohumil Štíbr, Karl Nestor

Publikováno v: Journal of Organometallic Chemistry. 437:C1-C6

The cluster 11B and 1H NMR properties of the cluster species [1,1-Me2-1,2,3-SnC2B8H10] (compound 1), [1,1-{P(OMe)3}2-1,2,3-PtC2B8H10 (compound 2) and [1,1-{P(OMe)3}2-1,2,3-PtC2B8H9-2-Ph] (compound 3), together with single-crystal X-ray diffraction an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7152368afbf27561493efd81021d7fc
https://doi.org/10.1016/0022-328x(92)83449-r

Zobrazit plný text záznamu

Polyhedral iridathiaborane chemistry. Reactions of nido-6-SB9H11and of [arachno-6-SB9H12]–with [{Ir(η5-C5Me5)Cl2}2] to give nido-8,7-iridathiaundecarboranes. A nuclear magnetic resonance and structural study

Autor: John D. Kennedy, Xavier L. R. Fontaine, Norman N. Greenwood, Karl Nestor, Mark Thornton-Pett

Publikováno v: J. Chem. Soc., Dalton Trans.. :2657-2667

The reaction of [{Ir(η5-C5Me5)Cl2}2] with nido-6-SB9H11 and a non-nucleophilic base yields [8-(η5-C5Me5)-nido-8,7-IrSB9H11]1, whereas with the [arachno-6-SB9H12]– anion it yields [8-(η5-C5Me5)-9-Cl-nido-8,7-IrSB9H10]2, [8-(η5-C5Me5)-10-Cl-nido-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e2f2a82413c2cb966d19a35a9c540f1
https://doi.org/10.1039/dt9910002657

Zobrazit plný text záznamu

Polyhedral organoiridaazaborane chemistry. The preparation of the eleven-vertex nido compound [9-Cl-8-(η5-C5Me5)-nido-8,7-IrNHB9H10] and its characterization by single-crystal X-ray diffraction analysis and nuclear magnetic resonance spectroscopy

Autor: Karel Baše, Karl Nestor, John D. Kennedy, Mark Thornton-Pett, Bohumil Štíbr, Xavier L. R. Fontaine

Publikováno v: Collection of Czechoslovak Chemical Communications. 56:1607-1617

Reaction between nido-6-HNB9H11 (from[9-(MeNC)-arachno-6-HNB9H11] and [(η5-C5Me5).IrCl2]2 in the presence of N,N,N’,N’-tetramethylnaphthalene-1,8-diamine) gives [9-Cl-8-(η5-C5Me5)-nido-8,7-IrNHB9H10] as a yellow crystalline solid in 40% yield.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83b5dd6cd943fa95c6a2f96058bfc426
https://doi.org/10.1135/cccc19911607

Zobrazit plný text záznamu

Polyhedral iridamonocarbaborane chemistry. Two ten-vertex arachno-6,9-iridacarbadecaboranes and some related ten-vertex carbaborane chemistry. Comparative nuclear magnetic resonance studies and the molecular structure of [asym-9-(CO)-9,9-(PPh3)2-9-H-arachno-9,6-IrCB8H12]

Autor: John D. Kennedy, Bohumil Štíbr, Karel Baše, Mark Thornton-Pett, Xavier L. R. Fontaine, Karl Nestor, Tomáš Jelínik

Publikováno v: J. Chem. Soc., Dalton Trans.. :2887-2894

Reaction of trans-[IrCl(CO)(PPh3)2] with [NMe4][nido-6-CB9H12] in solution resulted in the formation in low yields of two isomers (sym and asym) of [9-(CO)-9,9-(PPh3)2-9-H-arachno-9,6-IrCB8H12]. These new air-stable yellow compounds differ in the arr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b88ffadd61d14befeda7de3e4ae8989b
https://doi.org/10.1039/dt9900002887

Zobrazit plný text záznamu

Polyhedral metallacarbaborane chemistry: preparation, molecular structure, and nuclear magnetic resonance investigation of [3-(η5-C5Me5)-closo-3,1,2-MC2B9H11] (M = Rh or Ir)

Autor: Stanislav Heřmánek, Norman N. Greenwood, John D. Kennedy, Bohumil Štíbr, Xavier L. R. Fontaine, Mark Thornton-Pett, Tomáš Jelínek, Karl Nestor

Publikováno v: J. Chem. Soc., Dalton Trans.. :681-689

Reaction between Cs[nido-7,8-C2B9H11] and [{M(η5-C5Me5)Cl2}2] (M = Rh or Ir) yielded orange-yellow, air-stable crystals of [3-(η5-C5Me5)-closo-3,1,2-RhC2B9H11] [compound (2), 34%] or [3-(η5-C5Me5)-closo-3,1,2-IrC2B9H11] [compound (3), 96%] both of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca756a82afeebf63b683d7cfb8efe9d2
https://doi.org/10.1039/dt9900000681

Zobrazit plný text záznamu

Eleven-vertex polyhedral stannadicarbaborane chemistry. ‘naked tin’{closo-1,2,3-SnC2B8}-cluster compounds

Autor: Tomáš Jelínek, Karl Nestor, John D. Kennedy, Bohumil Štíbr

Publikováno v: J. Chem. Soc., Dalton Trans.. :1661-1663

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9de460f6fe58fed0e2a2e895b3ca3d25
https://doi.org/10.1039/dt9930001661

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání