Výsledky vyhledávání - "Michael A., Beswick"

A synthetic and structural study of the formation of cyclic [(RP)nE]− anions and Zintl compounds using E(NMe2)3 (E = As, Sb)

Autor: Jody A. Wood, Marta E. G. Mosquera, Alexander D. Hopkins, Andrew E. H. Wheatley, Michael A. Beswick, Mary McPartlin, Alan Bashall, Nick Choi, Yvonne G. Lawson, Paul R. Raithby, Dominic S. Wright, Sara J. Kidd

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :479-486

The low-temperature reactions of aliphatic primary phosphines and phosphides with E(NMe2)3 (E = As, Sb) give cyclic anions of the type [(RP)nE]−. At higher temperatures Zintl compounds containing E73− anions are generated. In contrast, related re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::264ecdcc97baf1939cd9a914bb675530
https://doi.org/10.1039/a908552a

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Reactions of the spiro monoanion [{(Me2N)Sb(μ-NCy)2}2Sb]− with alcohols and thiols (REH; E = O or S); syntheses of nido-[Sb3(μ-NCy)3(μ3-NCy)(ER)2] anions and the unique antimony(III) imido cubane [(2-NC5H4O)Sb(μ3-NCy)]4 (Cy= cyclohexyl)

Autor: Alan Bashall, Michael A. Beswick, Mary McPartlin, Sara J. Kidd, Paul R. Raithby, Dominic S. Wright, Alexander D. Hopkins, Neil Feeder

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :1841-1847

Reactions of Sb(NMe2)3 with a mixture of CyNH2 and Pri2NM (1∶1∶1 equivalents) afforded a simple route to M[{(Me2N)Sb(μ-NCy)2}2Sb] (M = Li 1·Li or Na 1·Na), containing the spiro anion [{(Me2N)Sb(μ-NCy)2}2Sb]−1. The reactions of 1·Li with tB

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4bc71527c4572deb5e180b14af6abe9
https://doi.org/10.1039/b001322f

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Structural Control in the Formation of Multidecker Sandwich Anions of Plumbocene: The Effects of Encapsulating the Alkali Metal Counterions

Autor: Julie S. Palmer, and Alexander Steiner, Heinz Gornitzka, Paul R. Raithby, Marta E. G. Mosquera, Christopher A. Russell, Dominic S. Wright, Michael A. Beswick, Dietmar Stalke, Jörg Kärcher

Publikováno v: Organometallics. 18:1148-1153

Addition of CpM (Cp = C5H5; M = Li, Na, K, Cs) to Cp2E (Cp = C5H5; E = Sn, Pb) produces π-anions of general formula [Cp2x+1Ex]-. Multidecker anions (with x > 1) can be prepared for Pb if crown or c...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9932619b6d67f4db83c0cfad7475fc7e
https://doi.org/10.1021/om980777p

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High nuclearity clusters of osmium and ruthenium containing the [Au2(Ph2PCH2PPh2)]2+ cation; the X-ray structures of [Os4H4(CO)11Au2(Ph2PCH2PPh2)] and [Ru10C(CO)24Au2(Ph2PCH2PPh2)]

Autor: Paul R. Raithby, Chi Keung Li, Jack Lewis, Angelo J. Amoroso, M. Carmen Ramírez de Arellano, Michael A. Beswick

Publikováno v: Journal of Organometallic Chemistry. 573:247-253

Treatment of [Os 4 H 4 (CO) 11 ] 2− , [Os 10 C(CO) 24 ] 2− and [Ru 10 C(CO) 24 ] 2− with [Au 2 (Ph 2 PCH 2 PPh 2 )Cl 2 ] in the presence of an excess of TIPF 6 , gave [Os 4 H 4 (CO) 11 (Au 2 Ph 2 PCH 2 PPh 2 )] 1 , [Os 10 C(CO) 24 (Au 2 Ph 2 PC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c537eec80a9ee35a9e90e9c9d697a2b
https://doi.org/10.1016/s0022-328x(98)00711-6

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Reactions of organolithium complexes with elemental selenium: insertion producing [PhCCSeLi·TMEDA·THF] 1 and cyclisation producing [{PhC}4Se] 2 (TMEDA=[Me2NCH2]2)

Autor: Dominic S. Wright, Paul R. Raithby, Alexander Steiner, Christopher N. Harmer, Michael A. Beswick, Mustafa Tombul

Publikováno v: Journal of Organometallic Chemistry. 573:267-271

The reaction of [PhCCLi] n with Se metal (1:1 equivalents) in THF/TMEDA gives the insertion product [PhCCSeLi · TMEDA · THF] 1 , which is monomeric in the solid state. The reaction of PhCCPh with Li metal, generating dilithium tetraphenylb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a560360e59026ecaa20eb81026d2568
https://doi.org/10.1016/s0022-328x(98)00830-4

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The hydrogen bonded polymer structures of [{Mn(2-mbiH)2·TMEDA}·A–A]∞ [2-mbiH2 = 2-mercaptobenzimidazole; A–A = TMEDA (Me2NCH2CH2NMe2) or DABCO (N{CH2CH2}3N)]

Autor: Paul R. Raithby, Dominic S. Wright, Michael A. Beswick, Julie S. Palmer, Marta E. G. Mosquera

Publikováno v: New Journal of Chemistry. 23:1033-1039

The reaction of [MnCp2] with 2-mbiH2 (1:2 equiv.) in the presence of TMEDA gives [{Mn(2-mbiH)2·TMEDA}·TMEDA]∞1. A similar reaction employing TMEDA and DABCO (1:1 equiv.) yields [{Mn(2-mbiH)2·TMEDA}·DABCO]∞2. In the crystal, both complexes ado

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bebe3db9ffbf25b8bcded95d39f45a17
https://doi.org/10.1039/a809066a

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Synthetic applications of p block metal dimethylamido reagents

Autor: Michael A. Beswick, Dominic S. Wright

Publikováno v: Coordination Chemistry Reviews. 176:373-406

The reactions of dimethylamido p block metal reagents with primary amines (RNH2) and primary amido and phosphido alkali metal complexes ([REHM]; E=N, P; M=alkali metal) furnish direct routes to a range of imido and phosphinidene compounds. In particu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86e2b90b748f124c8efa3a0c462c4c36
https://doi.org/10.1016/s0010-8545(98)00126-x

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Weakly Bonded Lewis Base Adducts of Plumbocene and Stannocene: A Synthetic and Calculational Study

Autor: and Andrew E. H. Wheatley, Paul R. Raithby, Alexander Steiner, Christopher A. Russell, Christopher N. Harmer, Natalie L. Cromhout, David R. Armstrong, David Moncrieff, Michael A. Beswick, Dominic S. Wright

Publikováno v: Organometallics. 17:3176-3181

The coordination of [(η-Cp)2Pb] and [(η-Cp)2Sn] by bidentate Lewis-base ligands gives the first examples of adducts of neutral p-block metallocenes. Ab initio MO calculations of [(η-Cp)2Pb·TMEDA] (1) (TMEDA = (Me2NCH2)2), [Cp2Pb·4,4‘-Me2bipy]

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::494aa48d18ef3630f1920eb8ab7ac0a1
https://doi.org/10.1021/om980077k

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Sterically induced cis isomerism in an Sb(III) imido dimer; synthesis, structure and solution dynamics of [(Me2N)Sb(μ-NDipp)]2 (Dipp = 2,6-Pr2iC6H3)

Autor: Michael A. Beswick, Alexander D. Hopkins, Christopher N. Harmer, Paul R. Raithby, Michael A. Paver, Dominic S. Wright

Publikováno v: Polyhedron. 17:745-748

The reaction of [Sb(NMe2)3] with the sterically bulky amine [DippNH2] gives the unusual cis dimer [(Me2N)Sb(μ-NDipp)]2 1, containing a puckered Sb2N2 core. 1H NMR studies show that the cis conformation is retained in solution.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46c36f041f0810fbc43079860abcc79f
https://doi.org/10.1016/s0277-5387(97)00372-0

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Reactions of Group 14 metallocenes with lithiated primary amines; alternative pathways in the formation of the primary tris(amido)stannate [(MANH)Sn(NHMA)2Li·2THF] 1 and the cubanes [E(NCy)]4 (E=Sn 2, Pb 3; MA=(2-MeO)C6H4, Cy=C6H11)1Dedicated to Professor Ken Wade on the occasion of his 65th birthday.1

Autor: Alexander Steiner, Maxwell K. Davies, Paul R. Raithby, Michael A. Beswick, Robert E. Allan, Dominic S. Wright

Publikováno v: Journal of Organometallic Chemistry. 550:71-76

Two alternative reaction pathways have been identified in the nucleophilic substitution reactions of Group 14 metallocenes with lithiated primary amines [RNHLi]. These are exemplified by the syntheses and structures of the tris(amido)stannate [(MANH)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f559d8b88c574aed2b7c48f61f2317a5
https://doi.org/10.1016/s0022-328x(97)00162-9

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