Open AccessIsocyanide and Phosphine Oxide Coordination in Binuclear Chromium Pacman Complexes
Author(s) -
Charlotte J. Stevens,
Gary S. Nichol,
Polly L. Arnold,
Jason B. Love
Publication year - 2013
Publication title -
organometallics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.231
H-Index - 172
eISSN - 1520-6041
pISSN - 0276-7333
DOI - 10.1021/om4009313
Subject(s) - chemistry , isocyanide , triphenylphosphine oxide , adduct , phosphine oxide , chromium , phosphine , triphenylphosphine , medicinal chemistry , oxide , polymer chemistry , stereochemistry , organic chemistry , catalysis
The new binuclear chromium Pacman complex [Cr 2 (L)] of the Schiff base pyrrole macrocycle H 4 L has been synthesized and structurally characterized. Addition of isocyanide, C≡NR (R = xylyl, t Bu), or triphenylphosphine oxide donors to [Cr 2 (L)] gives contrasting chemistry with the formation of the new coordination compounds [Cr 2 (μ-CNR)(L)], in which the isocyanides bridge the two Cr(II) centers, and [Cr 2 (OPPh 3 ) 2 (L)], a Cr(II) phosphine oxide adduct with the ligands exogenous to the cleft.
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