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Volumn 20, Issue 25, 2001, Pages 5455-5463

Reaction of Tp(PPh3)Ru(η2-O2CCHPh2) with carbene and vinylidene precursors

Author keywords

[No Author keywords available]

Indexed keywords

BENZYLIDENE; CARBENE; DIPHENYLCYCLOPROPENE; VINYLIDENE;

EID: 0035843077     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om010558v     Document Type: Article
Times cited : (32)

References (67)
  • 30
  • 36
    • 0000491986 scopus 로고    scopus 로고
    • Some recent examples of the preparation of metal alkylidenes from diazo compounds from other groups include: (a) Lee, H. M.; Bianchini, C.; Jia, G. C.; Barbaro, P. Organometallics 1999, 18, 1961.
    • (1999) Organometallics , vol.18 , pp. 1961
    • Lee, H.M.1    Bianchini, C.2    Jia, G.C.3    Barbaro, P.4
  • 47
    • 0011420004 scopus 로고    scopus 로고
    • note
    • Carbon-13 NMR shifts between 350 and 300 ppm are typical of ruthenium vinylidenes (for examples see ref 2 and ref 3) and alkylidenes (for example ref 5).
  • 48
    • 0011481678 scopus 로고    scopus 로고
    • note
    • Proton NMR shifts between 18 and 21 ppm are typical of ruthenium alkylidenes. For examples see ref 5.
  • 49
    • 0011428528 scopus 로고    scopus 로고
    • note
    • After 2 days at 45°C both species decompose entirely. The identity of the multiple decomposition products is unknown at this time.
  • 50
    • 0011472384 scopus 로고    scopus 로고
    • note
    • 1 geometry to generate an open coordination site for olefin binding. The latter result suggests that highly charged intermediates are not involved in the formation of 2. Further investigations on this topic are ongoing.
  • 53
    • 0011420005 scopus 로고    scopus 로고
    • note
    • In solution, the chemical shift of the α-carbon of complex 2 is more consistent with its formulation as a ruthenium vinyl adduct than as the tautomeric alkylidene or vinylidene structures [ref 24].
  • 54
    • 0010636960 scopus 로고
    • For a review of the unique chemistry of the Tp ligand see: Trofimenko, S. Chem. Rev. 1993, 93, 943.
    • (1993) Chem. Rev. , vol.93 , pp. 943
    • Trofimenko, S.1
  • 55
    • 0011420006 scopus 로고    scopus 로고
    • note
    • 000 = 1609, T = 98 K. More information is provided in the Supporting Information.
  • 57
    • 0011417409 scopus 로고    scopus 로고
    • note
    • In solution, the chemical shift of the α-carbon of complex 8 is more consistent with its formulation as a ruthenium vinyl adduct than as the tautomeric alkylidene or vinylidene structures [ref 24].
  • 58
    • 0011481679 scopus 로고    scopus 로고
    • note; unpublished results.
    • 2Ru=CHPh is an active catalyst for the ROMP of norbornene and cyclobutene, but is completely unreactive toward RCM substrates such as diethyl diallylmalonate. Dias, E. L.; Nguyen, S. T.; Grubbs, R. H. 1996, unpublished results.
    • (1996)
    • Dias, E.L.1    Nguyen, S.T.2    Grubbs, R.H.3
  • 61
    • 0011515912 scopus 로고
    • Ph.D. Thesis, California Institute of Technology
    • Nguyen, S. T., Ph.D. Thesis, California Institute of Technology, 1995.
    • (1995)
    • Nguyen, S.T.1
  • 64
    • 0011412298 scopus 로고    scopus 로고
    • note
    • 2) (CCDC 164302). Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK (fax:+44 1223 336033 or e-mail: deposit@ccdc.cam.ac.uk). Structure factors are available from the authors via e-mail: xray@caltech.edu.
  • 67
    • 0011417410 scopus 로고    scopus 로고
    • note
    • 000 = 2032, T = 293 K. More information is provided in the Supporting Information.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.