Výsledky vyhledávání - "Susan M. Breckenridge"

Analytical derivatizations of volatile and hydrophilic carbonyls from aqueous matrix onto a solid phase of a polystyrene–divinylbenzene macroreticular resin

Autor: Xia Yin, Susan M Breckenridge, Jack Rosenfeld, Y.H Yu

Publikováno v: Journal of Chromatography B: Biomedical Sciences and Applications. 694:289-296

Extraction and derivatization of carbonyls to benzyloximes, pentafluorobenzyloximes or 2,4-dinitrophenylhydrazones is simplified and reaction times are substantially reduced by simultaneous sorption and derivatization from aqueous solution onto a sol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a39f47459c374a91c1f5280a637c4f8
https://doi.org/10.1016/s0378-4347(97)00118-7

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Comparative chemistry of μ-η1 : η2-allenyl and μ-η1 : η2-acetylide complexes: η5-cyclopentadienyl complexes via alkyne-allenyl coupling in the reactions of PhCCPh with [Ru2(CO 6{μ-η1 : ηβ, γ2-C(Ph)CCH2}(μ-PPh2)] and [Ru2(CO) 6{μ-η1 : η2-CCPh}(μ-PPh2]. X-ray structures of [{Ru2(CO) 4{μ-η2(C,O),η5-C5MePh2(C6H4)(O)}(μ-PPh2)}2] and [Ru2(CO) 5{μ-η2(C,O), η5-C5HPh2(C6H4) (O)}(μ-PPh2)]

Autor: Peter Blenkiron, Susan M. Breckenridge, Nicholas J. Taylor, Arthur J. Carty, Maria A. Pellinghelli, Antonio Tiripicchio, Enrico Sappa

Publikováno v: Journal of Organometallic Chemistry. 506:229-240

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1791beede43b70cdbf517e6f515c3e96
https://doi.org/10.1016/0022-328x(95)05631-x

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Chemistry of polynuclear allenyl complexes: The μ-η1 : η2-allenyl diruthenium system Ru2(CO)6(μ-PPh2)(μ-η1 :η2-C(Ph)CCH2). Dimetallocycles via CC, CN and CS bond forming reactions and the X-ray structure of Ru2(CO)6(μ-PPh2)[μ-η1 : η1-PhCC{C(EtS)N(H)tBu}CH2]

Autor: Enrico Sappa, Antonio Tiripicchio, Arthur J. Carty, Susan M. Breckenridge, Maria Angela Pellinghelli

Publikováno v: Journal of Organometallic Chemistry. 471:211-219

The μ-η1: η2-allenyl complex Ru2(CO)6(μ-η1 : η2-C(Ph)CCH2)(μ-PPh2) (1), which has a structure with Cα(Ph) coordinated to one ruthenium atom and the CβCγ double bond attached to the second metal atom, undergoes regiospecific attack

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e4d08473b0556c4c89647396e956623
https://doi.org/10.1016/0022-328x(94)88127-8

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Competitive nucleophilic attack between carbon and metal atoms in bridging hydrocarbyls: x-ray structures of Fe2(CO)5(.mu.-PPh2)[.mu.-C:C(Ph)PPh2CH2PPh2], a novel zwitterionic vinylidene complex, and Fe2(CO)4(.mu.-PPh2)(.mu.2-.eta.2-C.tplbond.CCHMe2)(.mu.-Ph2PCH2CH2PPh2), a diphosphine-bridged acetylide

Autor: Leslie H. Randall, Simon Doherty, Susan M. Breckenridge, Arthur J. Carty, Nicholas J. Taylor, Andrew A. Cherkas, Michael Cleroux, Graeme Hogarth

Publikováno v: Organometallics. 11:1701-1711

The sigma-pi acetylide complex Fe2(CO)6(mu-PPh2)(mu(2)-eta(2)-C = CPh) (1A) reacts with the diphosphines bis(diphenylphosphino)methane (dppm) and bis(diphenylphosphino)ethane (dppe) to yield Fe2(CO)5(mu-PPh2)[mu-C = C (Ph)PPh2CH2PPh2] (2A) and Fe2(CO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5a00890d275d98e70be8cee82cccb0c1
https://doi.org/10.1021/om00040a047

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Carbon-13 NMR shifts of bridging hydrocarbyls derived from the addition of nucleophiles to complexed organic ligands in DI- and polynuclear complexes

Autor: Arthur J. Carty, Andrew A. Cherkas, Susan M. Breckenridge

Publikováno v: Polyhedron. 11:1075-1084

13 C NMR data for a range of iron group dinuclear hydrocarbyl fragments derived from nucleophilic addition to μ 2 -η 2 -acetylides and other complexed organic ligands are presented. For μ 2 -vinylidenes C α resonances lie in the range 292.2–297

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::817f7152478daa41f6aa469dc6136c28
https://doi.org/10.1016/s0277-5387(00)84477-0

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Reactivity patterns for .mu.-.eta.1:.eta.2-allenyl complexes. A novel synthetic route to dimetallacyclopentanes and dimetallacyclopentenes via regiospecific additions of carbon, nitrogen, and phosphorus nucleophiles to Ru2(CO)6(.mu.-.eta.1:.eta.2-PhC:C:CH2)(.mu.-PPh2)

Autor: Susan M. Breckenridge, Arthur J. Carty, Nicholas J. Taylor

Publikováno v: Organometallics. 10:837-840

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5896b88f5c5d9a89a7d3be4c6de46786
https://doi.org/10.1021/om00050a007

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Synthetic routes to butadienyl complexes. Double addition of methylene to an acetylide and hydrometallation of an ene–yne. X-Ray crystal structure of [Fe2(CO)5{µ-η2,η3-H2CC(Me)CCH2}(µ-PPh2)]

Autor: Shane A. MacLaughlin, Nicholas J. Taylor, Susan M. Breckenridge, Arthur J. Carty

Publikováno v: J. Chem. Soc., Chem. Commun.. :1718-1720

Binuclear butadienyl complexes [Fe2(CO)5{µ-η2,η3-H2CC(R)CCH2}(µ-PPh2)](R = But, Me) have been synthesized via double addition of CH2 fragments to an acetylide in [Fe2(CO)6(µ-η1,η2-CCBut)(µ-PPh2)] or hydrometallation of the ene–yne CH2C(Me)C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::140561a09ddf81e2dddb197829dd9941
https://doi.org/10.1039/c39910001718

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Novel phosphido-bridged cations [M2(CO)8(.mu.-PPh2)]BF4 (M = iron, ruthenium): synthesis, reactivity, and x-ray structure of an isoelectronic and structural analog of Ru2(CO)9

Autor: Nicholas J. Taylor, Susan M. Breckenridge, Shane A. MacLaughlin, Arthur J. Carty, David J. Witter, Leslie H. Randall, Andrew A. Cherkas

Publikováno v: Organometallics. 9:2636-2638

The cationic 34-electron phosphido-bridged binuclear complexes (M{sub 2}(CO){sub 8}(PPh{sub 2}))BF{sub 4} (1, M = Fe; 2, M = Ru) have been synthesized and their electrophilic reactivities explored. An X-ray analysis of 2 has revealed it to be a struc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68b3f11526cb3d871482501d8815a249
https://doi.org/10.1021/om00160a002

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