Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Rocco I. Papasergio"'
Publikováno v:
Journal of the Chemical Society, Dalton Transactions. :1161
Metallation of 2-Me3SiCHRC5H4N (R = H or SiMe3) using LiBun in hexane, and in the presence of diethyl ether, and the ditertiary amines tmen (N,N,N′,N′-tetramethylethylenediamine) or sp [(–)sparteine] yields crystalline lithium complexes. These
Autor:
Rocco I. Papasergio, Graham A. Bowmaker, John D. Kildea, Lutz M. Engelhardt, Allan H. White, Peter Conrad Healy
Publikováno v:
Inorganic Chemistry. 26:3533-3538
Solid-state 31P NMR spectra, far-infrared spectra, and single-crystal X-ray structure determinations have been recorded for (2-methylpheny1)diphenylphosphine (PPh2-o-tol) and its mononuclear 2: 1 adducts with copper(1) halides, (PPh2-o-tol)2CuX. The
Autor:
Colin L. Raston, Allan H. White, Claire R. Whitaker, Geoffrey Salem, Lutz M. Engelhardt, Rocco I. Papasergio
Publikováno v:
J. Chem. Soc., Dalton Trans.. :1647-1653
Treatment of 1,8-(Me3GeCH2)2C10H6, derived from a Grignard in situ trapping reaction, with Li(Me2NCH2CH2NMe2)Bun in hexane yields the germanium heterocyclic dianion [[graphic omitted]H6]2–, characterized as its protonolysis product. Potassium hydri
Autor:
Lindsay T. Byrne, Allan H. White, Colin L. Raston, Lutz M. Engelhardt, Geraldine E. Jacobsen, Rocco I. Papasergio, Brian W. Skelton, Paul Twiss, Wing Por Leung
Publikováno v:
J. Chem. Soc., Dalton Trans.. :105-113
[{Li(L)(CH2PMeR)}2][L = tetramethylethylenediamine (tmen), R = Me (1) or Ph (2); L =(–)-sparteine (sp), R = Ph (3)], prepared by treating the appropriate phosphine with LiBun(L) in hexane or diethyl ether, are dimeric in the solid. The phosphinomet
Autor:
Wing-Por Leung, Stuart I. Bailey, Daryl Colgan, Allan H. White, Lutz M. Engelhardt, Colin L. Raston, Rocco I. Papasergio
Publikováno v:
J. Chem. Soc., Dalton Trans.. :603-613
Reaction of [ZrCl2(η-C5H5)2] with organolithium reagents Li(tmen)(Rn)[Rn= a highly hindered alkyl, HSiMe3C5H4N-2 (R1), HSiMe3C6H4PPh2-o(R2), HSiMe3(C14H9-9)(R3)(C14H9= anthryl), or HSiMe3(C6H4Me-p)(R4); tmen = Me2NCH2CH2NMe2] in tetrahydrofuran (thf
Publikováno v:
J. Chem. Soc., Dalton Trans.. :311-320
The complexes [{Li(tmen)}2{1,8-(CHSiMe3)2C10H6}](9)(tmen =NNN′N′-tetramethylethylenediamine) and [{Li(tmen)}{[graphic omitted]10H6}](13) have been prepared via metallation of species formed by in situ Grignard trapping reactions of 1,8-(ClCH2)2C1
Autor:
Peter Conrad Healy, Chaveng Pakawatchai, Allan H. White, Rocco I. Papasergio, Vincent A. Patrick
Publikováno v:
Inorganic Chemistry. 23:3769-3776
The crystal structures of the title compounds, Cu(SCN)L, L = 2-methylpyridme (l),2 ,6-dimethylpyridine (2), and Cu(SCN)b, L = 2-, 3-, and 4-methylpyridine (3-5, respectively), 2,4-dimethylpyridine (6), quinoline (7), have been established by single-c
Publikováno v:
J. Chem. Soc., Chem. Commun.. :1708-1710
Metallation of 2-Me3Si)2CHC5N (RH) with LiBun in hexane yields RLi·RH, (1), whreas RH with LiBun and tmeda (tetramethylethylenediamine; 1 equiv.) in hexane affords Rli(tmeda), (2); the related 2-(Me3Si)CH2C5H4N (R′H) with LiBun in a hexane–dieth
Autor:
Rocco I. Papasergio, Colin L. Raston
Publikováno v:
J. Chem. Soc., Chem. Commun.. :1023-1025
In situ Grignard reactions of 1,8-(ClCH2)2C10H10H6 have yielded 2,3-dihydro-2,2-dimethyl-2-silaphenalene, which can be selectively momolithiated at the 1-position, and 1,8-(Me3SiCH2)2C10H6, a compound readily dilithiated and subsequuently converted i
Publikováno v:
J. Chem. Soc., Chem. Commun.. :672-674
The complexes [[graphic omitted](SiMe3)2-2}2][M = Mg (1), Zn (2), Cd (3), or Hg (4), accessible either by metallation of NC5H4{CH(SiMe3)2}-2 (RH)[for (1), using MgBunBus], or from LiR(thf)n(thf = tetrahydrofuran)[for (2)–(4), using MCl2], are monon