Synthesis and oxidation of hexafluoroisopropoxyborylferrocenes
The ferrocenylboranes (BOhfip )Fc and 1,1'-(BOhfip Fc were prepared (Fc = ferrocenyl, Ohfip = (CF CH-O); 1,1'-(BOhfip Fc was further oxidized giving [1,1'-(BOhfip Fc] [Al(OR by oxidation of 1,1'-(BOhfip Fc with Ag [Al(OR (R = C(CF ). Their X-ray crystal structures were determined...
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Veröffentlicht in: | Pure and applied chemistry 2012-08, Vol.84 (11), p.2317-2324 |
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Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The ferrocenylboranes (BOhfip
)Fc and 1,1'-(BOhfip
Fc were prepared (Fc = ferrocenyl, Ohfip = (CF
CH-O); 1,1'-(BOhfip
Fc was further oxidized giving [1,1'-(BOhfip
Fc]
[Al(OR
by oxidation of 1,1'-(BOhfip
Fc with Ag
[Al(OR
(R
= C(CF
). Their X-ray crystal structures were determined and give further information on the Fe–B interaction through the dip angles
*. In [1,1'-(BOhfip
Fc]
[Al(OR
, this Fe–B interaction is enfeebled: the dip angles
* (0.3º and 5.4º) are significantly smaller than in (BOhfip
)Fc (7.8º) and 1,1'-(BOhfip
Fc (8.0º), and the hexafluoroisopropoxy moieties are twisted out of the Cp plane by up to 66.1º. NMR and vibrational spectra support the crystal structure assignments. |
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ISSN: | 0033-4545 1365-3075 |
DOI: | 10.1351/PAC-CON-12-02-14 |