Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Robert G. Beevor"'
Publikováno v:
J. Chem. Soc., Dalton Trans.. :3021-3030
Reaction of LiBun with the carbyne complexes [Mo(CCH2R){P(OMe)3}2(η-C5H5)](R = Ph or But) affords the red lithium species Li[Mo(CCHR){P(OMe)3}2(η-C5H5)] characterised in solution by 13C and 31P NMR spectroscopy as vinylidene complexes with the nega
Publikováno v:
J. Chem. Soc., Dalton Trans.. :1319-1328
Treatment of a solution of [Mo2(CO)6(η-C5H5)2] in CH2Cl2, with AgBF4 in the presence of the substituted alkynes RC2X (R = But or Ph, X = SMe or Br) gives the cations [Mo(η2-RC2X)2(CO)(η-C5H5)][BF4], which react with P(OMe)3 to form the highly colo
Autor:
Michael Green, Robert G. Beevor, A. Guy Orpen, Ian D. Williams, Stephen Allen, Nicholas C. Norman
Publikováno v:
J. Chem. Soc., Dalton Trans.. :435-450
Treatment of the four-electron alkyne cation [Mo(η2-PhC2Ph){P(OMe)3}2(η-C5H5)][BF4] with K[BHBus3] affords the η2-vinyl or metallacyclopropene complex [[graphic omitted]HPh}{P(OMe)3}2(η-C5H5)](2). The related complexes [[graphic omitted]HPh}{P(OM
Autor:
Kathleen E. Paddick, Robert G. Beevor, Ian D. Williams, Michael Green, A. Guy Orpen, Stephen Allen
Publikováno v:
J. Chem. Soc., Dalton Trans.. :591-604
Thermolysis of the σ-vinyl complexes [M{σ-(E)-CHCHBut}{P(OMe)3}3(η5-CmHn)](M = Mo or W; m=n= 5; m= 9, n= 7), formed by reaction of hydride-anion donors with the cations [M(η2-ButC2H){P(OMe)3}2(η5-CmHn)][BF4], leads to formation of the carbyne co
Publikováno v:
Journal of Organometallic Chemistry. 221:C25-C27
Cyclopentadienyl- and pentamethylcyclopentadienyl-bis(ethylene)cobalt are synthesized from the respective diiodides [{Co(C5R5)I2}2] by Na/Hg reduction under ethylene. Reaction of [Co(C5Me5)(C2H4)2] with dimethylfumarate (DMF), triphenylphosphine, cyc
Publikováno v:
J. Chem. Soc., Chem. Commun.. :68-70
Reaction of Li[Mo(C·CHBut){P(OMe)3}2(η-C5H5)] with a range of electrophiles affords carbon substituted carbynes, whereas allyl iodide forms the crystallographically identified 1,3-diene complex [Mo(η4-1,3-C4H5CH2But)(I)-{P(OMe)3}(η-C5H5)], and on
Publikováno v:
J. Chem. Soc., Chem. Commun.. :673-675
Reaction of [Mo(PhC2Br){P(OMe)3}2(η-C5H5)][BF4] with K[BHBu3s] or Li2Cu2Me4 gives respectively [Mo{CCHPh}Br{P(OMe)3}2(η-C5H5)] and [MoC·CMe2Ph{P(OMe)3}2(η-C5H5)]; the bromovinylidene react with K[BHBu3s] to give [MoC·CH2Ph{P(OMe)3}2(η-C5H5)] in