Výsledky vyhledávání - "Hayat Fowkes"

Oxarhodaborane chemistry: the formation of [µ-9,9′-O-{5-(η5-C5Me5)-nido-5-RhB9H12}2] and [7-(η5-C5Me5)-10-(NEt3)-nido-7, 12-RhOB10H10] from [nido-(η5-C5Me5)RhB10H13Cl]

Autor: Evert J. Ditzel, John D. Kennedy, Hayat Fowkes, Peter MacKinnon, Mark Thornton-Pett, Norman N. Greenwood, Xavier L. R. Fontaine, Zhu Sisan

Publikováno v: J. Chem. Soc., Chem. Commun.. :1692-1694

Chromatography in air on silica of the nido eleven-vertex metallaborane [(η5-C5Me5)RhB10H13Cl]2, yields the µ-9,9′-oxo-bridged bis(nido-5-rhodadecaboranyl) species [{(η5-C5Me5)RhB9H12}2O]3, whereas treatment with NEt3 before exposure to air and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13980f24321c0e2c382c8b64982faec0
https://doi.org/10.1039/c39900001692

Zobrazit plný text záznamu

Pentamethylcyclopentadienylrhodaborane chemistry. Part 3. The reaction of [{Rh(η5-C5Me5)Cl2}2] with closo-[B10H10]2–and arachno-B10H12-6,9-(PMe2Ph)2, and the characterisation of some novel rhodaboranes by X-ray diffraction analysis and nuclear magnetic resonance spectroscopy

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

Publikováno v: J. Chem. Soc., Dalton Trans.. :2417-2429

Reaction of the rhodaborane synthon [{Rh(η5-C5Me5)Cl2}2] with closo-[B10H10]2–- in dichloromethane solution results in the rapid insertion, in reasonable yield, of a Rh(η5-C5Me5) vertex to give orange, air-stable crystals of [1-(η5-C5Me5)-closo-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86c37c23f56cb0a2c4f55703212fc49e
https://doi.org/10.1039/dt9870002417

Zobrazit plný text záznamu

Pentamethylcyclopentadienylrhodaborane chemistry. Part 1. High-yield planned synthesis, molecular structure, and nuclear magnetic resonance properties of the ten-vertex nido-6-rhodadecaborane [(η5-C5Me5)RhB9H13]

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

Publikováno v: J. Chem. Soc., Dalton Trans.. :547-552

The dimeric pentamethylcyclopentadienylrhodium complex [{Rh(η5-C5Me5)Cl2}2] is potentially a high-yield rhodaborane synthon, and reacts quantitatively with arachno-[B9H14]– to give [6-(η5C5Me5)-nido-6-RhB9H13] as an orange-red air-stable solid, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd25da744cf6b9978dd5896e385e820b
https://doi.org/10.1039/dt9860000547

Zobrazit plný text záznamu

Pentamethylcyclopentadienylrhodaborane chemistry. Part 2. The reaction of [6-(η5-C5Me5)-nido-6-RhB9H13] with dimethylphenylphosphine, and the characterization of [5-(η5-C5Me5)-nido-5-RhB9H11-7-(PMe2Ph)], [2-(η5-C5Me5)-closo-2-RhB9H7-3,10-(PMe2Ph)2],* and [2-(η5-C5Me5)-nido-2-RhB8H10-5-(PMe2Ph)] by X-ray diffraction analysis and nuclear magnetic resonance spectroscopy

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

Publikováno v: J. Chem. Soc., Dalton Trans.. :1431-1443

Reaction of [6-(η5-C5Me5)-nido-6-RhB9H13](1) with an excess of PMe2Ph in CH2Cl2 solution at room temperature yields three air-stable compounds: red-orange [5-(η5-C5Me5)-nido-5-RhB9H11-7-(PMe2Ph)](2; 35%), yellow [2-(η5-C5Me5)-closo-2-RhB9H7-3,10-(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e52f4e6185c1124db7eeb4b734901847
https://doi.org/10.1039/dt9870001431

Zobrazit plný text záznamu

Preparation and structure of [7-(η5-C5Me5)-8-Cl-11-(PMe2Ph)-nido-7-RhB10H11], a metallaborane analogue of the fluxional borane anion nido-B11H14–

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

Publikováno v: J. Chem. Soc., Chem. Commun.. :1165-1166

[(C5Me5)RhB10H11Cl(PMe2Ph)] has a novel type of nido-7-metallaundecaborane structure which uniquely has one B–H–B and two M–H–B bridging H atoms rather than the usual two B–H–B bridging H atoms: these three Hµ mutually exchange (ΔG‡ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::293c523427d3becf964dbf037fc6102e
https://doi.org/10.1039/c39850001165

Zobrazit plný text záznamu

Eleven-vertex isocloso type rhodaundecaboranes: crystal structures and nuclear magnetic resonance properties of [(PMe2Ph)2RhHB10H8(OMe)2] and [(PMe2Ph)2RhHB10H8Cl(OMe)]

Autor: John D. Kennedy, Mark Thornton-Pett, Hayat Fowkes, Norman N. Greenwood

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :517

The reaction between [RhCl3(PMe2Ph)3] and closo-[B10H10]2– in refluxing McOH gives [1,1(PMe2Ph)2–1,2-µ-H-2,5-(OMe)2-isocloso–1-RhB10H8] as a bright yellow air-stable compound in low yield. Crystals are triclinic, space group P with a= 948.8(4)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e23b6a1c4f06c67b2758e804432110b
https://doi.org/10.1039/dt9860000517

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání