Výsledky vyhledávání - "Whei-Lu Kwik"

Triosmium carbonyl cluster derivatives containing pentameric phenyl cyclopolyphosphine

Autor: Whei-Lu Kwik, How Ghee Ang, Siau Gek Ang, Qi Zhang

Publikováno v: Journal of Organometallic Chemistry. 485:C10-C13

The reactions of the pentaphenylcyclopentaphosphine with [Os 3 (CO) 10 (NCCH 3 ) 2 ] afforded a pair of inversion isomers, ( 1 ) and ( 2 ). [Os 3 (CO) 11 (C 6 H 5 P) 5 ] ( 3 ) and [{Os 3 (CO) 11 } 2 (C 6 H 5 P) 5 ] ( 4 ) were obtained by the treatmen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f10ea97b6d456bcb3c825dacfbbe6944
https://doi.org/10.1016/0022-328x(95)91122-z

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Reaction of pentafluoronitrosobenzene with [Os3H(μ-H) (CO)10(MPh3) ](M = P, As, Sb): Synthesis and X-ray structure of [Os3(μ-H) (CO) 10(PPh3)(ONC6F4O)

Autor: How Ghee Ang, Ken K. Ong, Whei-Lu Kwik

Publikováno v: Journal of Organometallic Chemistry. 474:149-152

The pentafluoronitrosobenzene C 6 F 5 NO has been shown from infrared spectral, 19 F NMR spectral and single-crystal X-ray diffraction studies to undergo oxidation at the para -position upon reaction with [OS 3 H(μ-H)(CO) 10 (PPh 3 )] to afford [OS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0f790b0ad4b30bea106ffa26d1b52bd
https://doi.org/10.1016/0022-328x(94)84059-8

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Synthesis, X-ray structural and spectroscopic study of new silyl-substituted triosmium clusters

Autor: How Ghee Ang, Eunice S.H. Sim, Whei-Lu Kwik, Benjamin Chang

Publikováno v: Journal of Organometallic Chemistry. 474:153-163

The 2-pyridyldimethylsilane, 2-(CH3)2SiHC5H4NLH reacts with Os3(μ-H)2(CO)10] to afford the novel cluster [Os3(μ-H)2(CO)10 L2] 1 in which each of the ligands L has been shown from single crystal X-ray diffraction study to bond to one osmium atom thr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1549de949fe32bf1de459638a06540b5
https://doi.org/10.1016/0022-328x(94)84060-1

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O-Nitrosobis(trifluoromethyl)hydroxylamine: unexpected conformational properties and an unusually long (CF3)2NO-NO bond. A combined study of the gaseous and solid states

Autor: Hans Georg Mack, Dietrich Mootz, Martin Frank Klapdor, How Ghee Ang, Wolfgang Poll, Yiew Wang Lee, Heinz Oberhammer, Whei-Lu Kwik

Publikováno v: Journal of the American Chemical Society. 115:6929-6933

The conformational properties and the geometric structure of gaseous O-nitrosobis(trifluoromethyl)hydroxylamine, (CF 3 ) 2 N-O-N=O, have beeen studied by infrared spectroscopy, electron diffraction, and ab initio calculations. From the relative inten

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::612c0dc23cf3c9be7c699fa6cbdc5958
https://doi.org/10.1021/ja00068a060

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Synthesis, and 19F NMR and X-ray structural studies of triosmium clusters (μ-H)Os3(CO)10L[ON(CF3)2] (L  PPh3, AsPh3 and SbPh3)

Autor: How Ghee Ang, Whei-Lu Kwik, Lip Lin Koh, C.H. Koh

Publikováno v: Journal of Organometallic Chemistry. 452:181-184

Bis(trifluoromethyl)nitroxyl radical reacts with H 2 Os 3 (CO) 10 L (L  PPh 3 , AsPh 3 , SbPh 3 ) to afford the derivatives (μ-H)Os 3 (CO) 10 L[ON(CF 3 ) 2 ] in which the (CF 3 ) 2 NO moiety is revealed by single crystal X-ray determinations to a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9162cc7caeb86106605d1a68966a02b2
https://doi.org/10.1016/0022-328x(93)83188-2

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Synthesis, and spectral and X-ray structural studies of a novel delocalised triphosphazene (CF3)2PNP(CF3) 2NPPh3 and the triosmium cluster complex Os3(CO)11[(CF3)2PNP(CF3)2NPPh3]

Autor: Y.M. Cai, How Ghee Ang, Whei-Lu Kwik

Publikováno v: Journal of Organometallic Chemistry. 448:219-223

The triphosphazene (CF3)2PNP(CF3)2NPPh3 (L), prepared by the reaction of (CF3)2PN3 with (CF3)2PNPPh3, has been found to afford the cluster [Os3(CO)11{(CF3)2PNP(CF3)2NPPh3}] (1) with [Os3(CO)11(MeCN)]. Both L and 1 have b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af9d007837920856f10dedb0bf9c8944
https://doi.org/10.1016/0022-328x(93)80088-s

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Synthesis and crystal structures of (CF3)2As–NPPh3, [Os3(CO)11{(CF3)2AsNPPh3}] and [Os3(µ-H)2(CO)9{(CF3)2AsNPPh3}]

Autor: Whei-Lu Kwik, Arnold L. Rheingold, How Ghee Ang, Yiew Wang Lee

Publikováno v: J. Chem. Soc., Dalton Trans.. :663-667

Bis(trifluoromethyl)arsinous azide (CF3)2AsN3 undergoes a Staudinger reaction with PPh3 to give the arsinophosphazene (CF3)2As–NPPh3 which reacts with [Os3(CO)11(MeCN)] and [Os3(µ-H)2(CO)10] to give [Os3(CO)11{(CF3)2AsNPPh3}]1 and [Os3(µ-H)2(CO)9

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::814f168b2c3948147f92023582343e21
https://doi.org/10.1039/dt9930000663

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