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Volumn 122, Issue 5, 2000, Pages 810-822

Toward metal-capped one-dimensional carbon allotropes: Wirelike C6- C20 polyynediyl chains that span two redox-active (η5- C5ME5)Re(NO)(PPh3) endgroups

Author keywords

[No Author keywords available]

Indexed keywords

CARBON; RHENIUM COMPLEX;

EID: 0034624413     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja992747z     Document Type: Article
Times cited : (411)

References (125)
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    • (a) Interestingly, the diastereomers of analogues with bulkier triarylphosphine ligands show separate NMR signals.
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    • xCu (x = 2, 4, 6) are given in the Supporting Information. (c) Procedures that utilize 1-BuOCu in place of n-BuLi and Cul have also been developed. However, this milder base is not commercially available. These procedures are also given in the Supporting Information, except for one case where there is a distinct yield advantage.
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    • xCu (x = 2, 4, 6) are given in the Supporting Information. (c) Procedures that utilize 1-BuOCu in place of n-BuLi and Cul have also been developed. However, this milder base is not commercially available. These procedures are also given in the Supporting Information, except for one case where there is a distinct yield advantage.
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    • 4N-F is given in the Supporting Information.
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    • 3/H fragments will exhibit progressively lower Ji* MO energies. This can decrease the energy of one d orbital used for nitrosyl ligand back-bonding. However, we presently view this as a secondary influence in view of the studies cited above and other data below.
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    • 3).
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    • C≡C fingerprints that facilitate reaction monitoring. This footnote is used to highlight steps where IR monitoring is especially recommended.
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    • DSC data for this material are given in Figure 4.
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    • IR data for this material are given in Table I.
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    • 254, 1:1 v/v hexanes/THF.
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    • -1). Italicized values were obtained by Gaussian curve fitting of digitized spectra (PeakFit 4.0, Jandel Scientific; auTofit peaks III deconvolution option with amplitude threshold 3%, width 5.0, and filter 75). These maxima were used in all graphical analyses (Figure 1, inset).
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    • Positive FAB, 3-NBA, m/z, are for the most intense peak of isotope envelope; relative intensities are for the specified mass range. (a) Benzene
    • 2
  • 108
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    • toluene
    • 2
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    • THF
    • 2
  • 110
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    • 3; ≡
    • 2
  • 111
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    • 2
    • 2
  • 112
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    • 21a
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    • note
    • 21a
  • 114
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    • note
    • 21a
  • 115
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    • note
    • 21a
  • 116
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    • note
    • 21a
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    • The i-Ph resonance is not observed, or the upfield line of the doublet is obscured by the o-Ph or solvent resonance.
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    • This compound was added in an inert atmosphere glovebox.
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    • This synthesis is based upon methodology reported in the following paper: Hofmeister, H.; Annen, K.; Laurent, H.; Wiechert, R. Angew. Chem. 1984, 96, 720; Angew. Chem., Int. Ed. Engl. 1984, 23, 727.
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    • 67 20.3 (s).
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    • note
    • Repeated attempts to obtain correct microanalyses were unsuccessful.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.