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Volumn 131, Issue 43, 2009, Pages 15618-15620

Oxidatively induced reductive elimination from (tBu 2bpy)Pd(Me)2: Palladium(IV) intermediates in a one-electron oxidation reaction

Author keywords

[No Author keywords available]

Indexed keywords

BENZOQUINONES; C-C BOND FORMATION; C-C BONDS; CHEMICAL EQUATIONS; FERROCENIUM; INNER-SPHERE ELECTRON; METHYL GROUP; ONE-ELECTRON OXIDATION; REDUCTIVE ELIMINATION;

EID: 70350627362     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja905816q     Document Type: Article
Times cited : (121)

References (54)
  • 16
    • 68249138163 scopus 로고    scopus 로고
    • - chemical oxidants such as Ce(IV) have also been recently reported
    • - chemical oxidants such as Ce(IV) have also been recently reported: Mei, T.-S.; Wang, X.; Yu, J.-Q. J. Am. Chem. Soc. 2009, 131, 10806.
    • (2009) J. Am. Chem. Soc. , vol.131 , pp. 10806
    • Mei, T.-S.1    Wang, X.2    Yu, J.-Q.3
  • 18
    • 70350681484 scopus 로고    scopus 로고
    • note
    • •+. See Supporting Information for details.
  • 19
    • 70350630963 scopus 로고    scopus 로고
    • note
    • +.
  • 20
    • 70350687153 scopus 로고    scopus 로고
    • note
    • +/0 in acetone. See Supporting Information.
  • 22
    • 22944442589 scopus 로고    scopus 로고
    • +. However, the electron-rich, rigid nature of the starting material in this report and the presence of a pendant pyrazolyl arm and a chelating alkyl/aryl ligand are expected to render this example mechanistically very different from the current system
    • +. However, the electron-rich, rigid nature of the starting material in this report and the presence of a pendant pyrazolyl arm and a chelating alkyl/aryl ligand are expected to render this example mechanistically very different from the current system. Campora, J.; Palma, P.; del Rio, D.; Lopez, J. A.; Alvarez, E.; Connelly, N. G. Organometallics 2005, 24, 3624.
    • (2005) Organometallics , vol.24 , pp. 3624
    • Campora, J.1    Palma, P.2    Del Rio, D.3    Lopez, J.A.4    Alvarez, E.5    Connelly, N.G.6
  • 31
    • 70350630962 scopus 로고    scopus 로고
    • note
    • •+. The same argument likely applies to the disproportionation in Scheme 2, mechanism B.
  • 32
    • 70350638052 scopus 로고    scopus 로고
    • note
    • + and then conproportionation of the resulting bis-solvento complex with 1.
  • 34
    • 70350677357 scopus 로고    scopus 로고
    • note
    • 6 scramble in room light.
  • 37
    • 70350649396 scopus 로고    scopus 로고
    • note
    • + oxidizes I- significantly more slowly than it does 1 under these conditions.
  • 43
    • 70350645843 scopus 로고    scopus 로고
    • note
    • + reaction at-80 °C. See Supporting Information for details.
  • 48
    • 70350627924 scopus 로고    scopus 로고
    • note
    • The data do not exclude mechanism C at > -30 °C where 3 is not observed; however there is no evidence for a change in mechanism with temperature.
  • 51
    • 70350667021 scopus 로고    scopus 로고
    • note
    • At ≤ -30 °C, intermediate 5 is stable so it is not possible to directly observe 3 in this system.
  • 53
    • 70350639977 scopus 로고    scopus 로고
    • note
    • A small amount of hydroquinone (3.5 ± 1.7%) was also formed, presumably by protonation of 6 with trace acid. (Similar observations have been reported for the bpy analogue, ref 30.).
  • 54
    • 70350663418 scopus 로고    scopus 로고
    • note
    • 1H NMR revealed an induction period, indicating a complex mechanistic pathway.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.