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1 article(s) from Veit, Philipp

On the mechanism of imine elimination from Fischer tungsten carbene complexes

Philipp Veit,
Christoph Förster and
Katja Heinze

Beilstein J. Org. Chem. 2016, 12, 1322–1333, doi:10.3762/bjoc.12.125

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Scheme 1: Imine formation and isomerization reactions from NH carbene complexes Cr(CO)₅(E-2) (a) [27], Cr(CO)₅(E/Z...

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Scheme 2: Synthesis of W(CO)₅(E-2) from W(CO)₅(1^Et) [20,21] and aminoferrocene [40,41] with concomitant formation of E-1,2-...

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Scheme 3: Reaction pathways 1a/1b (migration–elimination) and 2a/2b (elimination–migration) for the formation...

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Scheme 4: Reaction pathways 3a/3b/3c (CO dissociation) for the formation of imine E-3 from W(CO)₅(E-2).

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Figure 1: DFT calculated oxidative addition/pseudorotation/reductive elimination pathway 3c from W(CO)₄(E-2) ...

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Figure 2: DFT calculated geometries of the two hydrido intermediates cis(N,H)-W(CO)₄(H)(Z-15) and cis(C,H)-W(...

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Scheme 5: Proposed reaction sequence from W(CO)₅(E-2) to W(CO)₅(PPh₃) in the presence of triphenylphosphane.

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Published 27 Jun 2016

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