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Substituted cyclopentadienyl complexes:II. 13C NMR spectra of some [(η 5-C 5H 4Me)Fe(CO)(L)I] complexes

Authors
Journal
Journal of Organometallic Chemistry
0022-328X
Publisher
Elsevier
Publication Date
Volume
339
Issue
3
Identifiers
DOI: 10.1016/s0022-328x(00)99395-1
Disciplines
  • Chemistry

Abstract

Abstract The 13C { 1H} NMR spectra of a series of complexes [(η 5-C 5H 4Me)Fe(CO)(L)I] (L  t-BuNC, P(OMe) 3, PMe 3, PMe 2Ph, PMePh 3, PPh 3 and P(C 6H 11) 3) have been recorded and the five cyclopentadienyl resonances assigned to ring carbon atoms by means of CH correlated spectra. It has been observed that the C atoms ortho to the ring methyl group (C(2) and C(5)) as well as the quaternary C atom are always coupled to the ligand P atom. A correlation between the chemical shift difference Δ(C(2) – C(5)) and the Tolman cone angle, θ, has also been established.

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