Concepedia

Coupling of a 17-electron vinyl complex with chiral recognition: synthesis of the pure diastereoisomers of the bridging bis(carbene) complex [{Fe(C<sub>5</sub>Me<sub>5</sub>)(CO)(PMe<sub>3</sub>)}<sub>2</sub>{µ–C(OMe)[CH<sub>2</sub>]<sub>2</sub>–C(OMe)}][PF<sub>6</sub>]<sub>2</sub>

Stéphane Cron, Virginie Morvan, Claude Lapinte

Journal of the Chemical Society Chemical Communications · 1993 · 13 citations · 9 references

DOI

Concepts

Abstract

The C–C bond-forming reaction by direct coupling of two chiral 17-electron metal vinyl units [Fe(C5Me5)(CO)(PMe3){C(OMe)CH2}]˙+ affords the µ-bis(carbene) dimetallic complex [{Fe(CBMe5)(CO)(PMe3)}2{µ-C(OMe)[CH2]2–C(OMe)}][PF6]25 with chiral recognition (major : minor = 2 : 1); the two diastereoisomers are isolated in a pure form.

References

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Conformational analysis and dynamics of the triphenylphosphine ligand in iron complex [(.eta.5-C5H5)Fe(CO)(PPh3)COCH3]

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Conformational analysis for the pseudooctahedral complexes (.eta.5-C5H5)Fe(CO)(PPh3)CH2R [R = Me, Et, iso-Pr, tert-Bu, SiMe3, (PMe3)+, (PPh3)+, mesityl, Ph, vinyl, 1-naphthyl]: x-ray crystal structures of (.eta.5-C5H5)Fe(CO)(PPh3)CH2R (R = Me, SiMe3)

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A new, general route to (.mu.-bis(carbene))ditungsten complexes: x-ray crystal structure of [cyclic] (CO)5W{C(OCH3)CH2[CH(CH2)3C(CH2CH:CH2)]C(OCH3)}W(CO)5

David W. Macomber, Mu Huang Hung, Akhilkumar G. Verma et al. · Organometallics · 1988 · 38 citations

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Reactivity of carbene complexes of tungsten bearing a carbon carbon double bond in a side chain: metathesis reactions of the double bond

Cecilio Álvarez-Toledano, A. Parlier, H. Rudler et al. · Journal of the Chemical Society Chemical Communications · 1984 · 36 citations

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