Facile rearrangement of metallacyclopentatrienes to butadienyl carbenes by a 1,2-hydrogen shift

被引:27
作者
Becker, E
Rüba, E
Mereiter, K
Schmid, R
Kirchner, K
机构
[1] Vienna Univ Technol, Inst Inorgan Chem, A-1060 Vienna, Austria
[2] Vienna Univ Technol, Inst Mineral Crystallog & Struct Chem, A-1060 Vienna, Austria
关键词
D O I
10.1021/om0104114
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Cationic metallacyclopentatriene complexes having an a-alkyl substituent undergo facile 1,2-hydrogen shift to give butadienyl carbenes. This is exemplified by the reaction of [RuCp(L)(CH3CN)(2)]PF6, where L = SbPh3, SbBu3n, and AsPh3, with 2,8-decadiyne, 1-hexyne, and benzylacetylene. There is an interesting mechanistic changeover on going to L = PR3, in which case PR3 migrates with an allyl carbene complex being formed.
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收藏
页码:3851 / 3853
页数:3
相关论文
共 25 条
  • [1] THE NOVEL CYCLODIMERIZATION OF PHENYLACETYLENE AT A RUTHENIUM(II) CENTER - THE SYNTHESIS AND X-RAY STRUCTURAL CHARACTERIZATION OF THE 1ST METALLACYCLOPENTATRIENE, [(ETA-C5H5)RU(C4PH2H2)BR], AND ITS FACILE CONVERSION INTO METALLACYCLOPENTADIENES
    ALBERS, MO
    DEWAAL, DJA
    LILES, DC
    ROBINSON, DJ
    SINGLETON, E
    WIEGE, MB
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1986, (22) : 1680 - 1682
  • [2] BODNAR T, 1981, J ORGANOMET CHEM, V213, pC13
  • [3] BONNEMANN H, 1996, APPL HOMOGENEOUS CAT
  • [4] COORDINATION CHEMISTRY OF STIBINE AND BISMUTHINE LIGANDS
    CHAMPNESS, NR
    LEVASON, W
    [J]. COORDINATION CHEMISTRY REVIEWS, 1994, 133 : 115 - 217
  • [5] Ernst C, 1999, J PRAK CHEM-CHEM ZTG, V341, P801, DOI 10.1002/(SICI)1521-3897(199911)341:8<801::AID-PRAC801>3.0.CO
  • [6] 2-M
  • [7] TRANSITION METAL-CARBENE COMPLEXES .40. PENTACARBONYL-PI-OLEFINTUNGSTEN(0) COMPLEX VIA REACTION OF PENTACARBONYL[METHOXY(PHENYL)CARBENE]TUNGSTEN(0) WITH ALKYLLITHIUM
    FISCHER, EO
    HELD, W
    [J]. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1976, 112 (03) : C59 - C62
  • [8] Gemel C, 1997, MONATSH CHEM, V128, P1189, DOI 10.1007/BF00807250
  • [9] Synthesis and reactivity of the cationic methylene complex [Cp2Re=CH2]+
    Heinekey, DM
    Radzewich, CE
    [J]. ORGANOMETALLICS, 1998, 17 (01) : 51 - 58
  • [10] CHEMISTRY OF CARBON-MONOXIDE FREE CYCLOPENTADIENYLVANADIUM(I) ALKENE AND ALKYNE COMPLEXES
    HESSEN, B
    MEETSMA, A
    VANBOLHUIS, F
    TEUBEN, JH
    HELGESSON, G
    JAGNER, S
    [J]. ORGANOMETALLICS, 1990, 9 (06) : 1925 - 1936