Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Siu Ming Lee"'
1
Synthesis, characterization and crystal structures of some tungsten and triosmium carbonyl complexes with monopyridyl and dipyridyl azo ligands
Autor: Suk Ha Cheung, Sze Yin Leung, Siu Ming Lee, Wai Yeung Wong
Publikováno v: Journal of Organometallic Chemistry. 596:36-45
Substitution reactions of [W(CO) 5 (THF)] with the azo-functionalized monopyridyl and dipyridyl ligands, namely, 4-phenylazopyridine L 1 and 4,4′-azopyridine L 2 , readily afford two tungsten carbonyl complexes [W(CO) 5 (NC 5 H 4 NNC 6 H 5
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c984f7dfdaa350ea2fc28aa7d98d06b
https://doi.org/10.1016/s0022-328x(99)00536-7
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2
Synthesis, electrochemistry and structural characterization of new dimeric cobalt η2-alkyne carbonyl complexes
Autor: Wai Yeung Wong, Hoi Yan Lam, Siu Ming Lee
Publikováno v: Journal of Organometallic Chemistry. 595:70-80
New dimeric η 2 -diyne complexes of cobalt [{Co 2 (CO) 6 } 2 (diyne)] (diyne=Me 3 SiC 2 (C 13 H 8 )C 2 SiMe 3 ( 1 ), Me 3 SiC 2 (C 13 H 6 O)C 2 SiMe 3 ( 2 ), Me 3 SiC 2 (C 4 H 2 S) 2 C 2 SiMe 3 ( 3 ), Me 3 SiC 2 (C 14 H 7 Fc)C 2 SiMe 3 (Fc=ferroceny
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e8c7f1a22730a37515a3e3881c9ef7f
https://doi.org/10.1016/s0022-328x(99)00574-4
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3
Dinuclear oxomolybdenum(V) complexes which show strong electrochemical interactions across bis-phenolate bridging ligands: a combined spectroelectrochemical and computational study
Autor: Siu-Ming Lee, Massimo Marcaccio, Jon A. McCleverty, Leigh H. Rees, NC Harden, John C. Jeffery, Elizabeth R. Humphrey, Michael D. Ward
Publikováno v: Journal of the Chemical Society, Dalton Transactions. :2417-2426
A UV/VIS/NIR spectroelectrochemical study has been carried out on a series of dinuclear complexes of the type [{Mo(TpMe,Me)(O)Cl}2{µ-OO}], where ‘OO’ denotes a bis-phenolate bridging ligand and TpMe,Me is tris(3,5-dimethylpyrazolyl)hydroborate.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5083ffd9dfaeb121ac4ec1bffa880957
https://doi.org/10.1039/a903841h
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4
A new route to mixed oxo/arylimido complexes of molybdenum(VI) with a tris(pyrazolyl)borate co-ligand: syntheses, spectroscopic properties and ligand-centred redox activity
Autor: Massimo Marcaccio, Ralph Kowallick, Michael D. Ward, Jon A. McCleverty, Siu-Ming Lee
Publikováno v: Journal of the Chemical Society, Dalton Transactions. :3443-3450
Reaction of the oxo-molybdenum(V) precursor [Mo(TpMe,Me)(O)Cl2] [TpMe,Me hydrotris(3,5-dimethylpyrazol-1-yl)borate] with arylamines RNH2, in the presence of Et3N and air, afforded the oxo(imido)molybdenum(VI) complexes [Mo(O)(TpMe,Me)Cl(NR)] 1 (R = 4
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1f113dffd465e7afa0e2c981bf44d31
https://doi.org/10.1039/a804496a
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5
[Untitled]
Autor: Wing Tak Wong, Siu Ming Lee
Publikováno v: Journal of Cluster Science. 9:417-444
The importance of palladium complexes in catalytic processes is well-demonstrated by its applications in hydrogenation processes in industry. Mixed metal clusters of palladium are of interest as the palladium ion can attain either a 16- or 18-electro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c24532bbdeb614fd0bb031ae49616eef
https://doi.org/10.1023/a:1021986415928
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7
Triosmium carbonyl clusters of sulfur and oxygen mixed donor ligands
Autor: Wing Tak Wong, Siu-Ming Lee, Kung-Kai Cheung
Publikováno v: Journal of Cluster Science. 7:435-453
The reaction of the lightly stablized cluster [Os3(CO)10(NCMe)2] with thiosalicylic acid affords two products [{Os3(CO)10(µ-H}]2SC6H4CO2],1 and [Os3H(CO)10SC6,H4C(O)OOs3H(CO)11],2. Complex 2 undergoes CO dissociation to give1 or fragmentation to giv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7bb44df529cd8a375fbf5569facf48c
https://doi.org/10.1007/bf01171193
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8
Syntheses, structures and reactivities of [Os6Pd(CO)18(bipy)] and [{(bipy)Pd}20s3(CO)12]: Crystal and molecular structures of [{(bipy)Pd}2(μ-H)(μ-CO)][H3Os4(CO)12] and [(C4H9)4N]2[Pd2I6]
Autor: Siu Ming Lee, Suzanna Chan, Wing Tak Wong, Zhenyang Lin
Publikováno v: Journal of Organometallic Chemistry. 510:219-231
The complex [(bipy)Pd(C02Me)2] reacts with [Os3(CO)10(NCMe)2] in a 1 : 1 molar ratio to give [Os6Pd(CO)18(bipy)] (1) with a moderate yield, and the crystal structure of 1 is presented. Complex 1 is separately treated with an excess of iodine and tetr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f97cd5aa8137a416a1475d5272542338
https://doi.org/10.1016/0022-328x(95)05901-z
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9
Oxidative addition of 2,2′-dithiosalicylic acid to the cluster [Os3(CO)10)(CH3CN)2]
Autor: Siu-Ming Lee, Wing Tak Wong
Publikováno v: Journal of Cluster Science. 7:37-47
The reaction of 2,2'-dithiosalicylic acid with two equivalents of [Os3(CO)10 (CH3CN)] in THF at −78°C yields yellow crystals of [{Os3(CO)10(μ-H)}2 (O2CC6H4S)2] 1 in moderate yield. Hydrogenetaion of 1 in refluxing CHCl3 affords [Os3(CO)1(μ-H)(O2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1c928ffe2f9c5734b60ff850d32b01e
https://doi.org/10.1007/bf01166175
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10
Synthesis, characterization, electrochemical properties and crystal and molecular structures of [HOs3(CO)10(O2CC5H4FeC5H5)] and [{Os3H(CO)10}2(O2CC5H4FeC5H4CO2)]
Autor: Siu Ming Lee, Kung-Kai Cheung, Wing Tak Wong
Publikováno v: Journal of Organometallic Chemistry. 506:77-84
Two new air-stable triosmium clusters, [HOs 3 (CO) 10 (O 2 CC 5 H 4 FeC 5 H 5 )] ( 1 ) and [{Os 3 H(CO) 10 } 2 (O 2 CC 5 H 4 FeC 5 H 4 CO 2 )] ( 2 ), were obtained from the reaction of the labilized cluster [Os 3 (CO) 10 (CH 3 CN) 2 ] and the corresp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d93b0d7fa60ef18e0c05f8bab1b048cd
https://doi.org/10.1016/0022-328x(95)05657-b
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