Organometallics
Article
Kohlenforschung and the Fond der Chemischen Industrie for
funding for J.B., the NSF (CHE- 0952753) and the Alfred P.
Sloan Foundation for funding, the DOE SCGF for a graduate
fellowship for M.G.C., the Consejo Nacional de Ciencia y
(28) Furushou, D.; Hashibe, T.; Fujinami, T.; Nishi, K.; Hagiwara,
H.; Matsumoto, N.; Sunatsuki, Y.; Kojima, M.; Iijima, S. Polyhedron
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012, 44, 194.
29) Tucek, J.; Machala, L.; Ono, S.; Namai, A.; Yoshikiyo, M.;
Imoto, K.; Tokoro, H.; Ohkoshi, S.-i.; Zboril, R. Sci. Rep. 2015, 5,
5091.
30) The Chirik group has reported a magnetic susceptibility of the
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Tecnologia and Fundacion Mexico for a graduate fellowship for
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R.H.S., the EU for a Marie Curie fellowship (FP7-IOF2010-
PALLAS) to J.R., and the NSF for a graduate fellowship for
S.E.P.
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related Fe complex to be 2.8 μ , which is consistent with an S = 1
B
ground state. For details see ref 20.
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31) Boca
̌
, R. Coord. Chem. Rev. 2004, 248, 757.
(32) While we speculate that the high-spin electronic structure of the
REFERENCES
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catalyst 2 is relevant for the facile ligand substitution, the different
electron counts for complexes 2−4 should also account for the
difference in ligand substitution rate and therefore the difference in the
reactivity. Complexes 3 and 4 do not undergo ligand exchange on
treatment with COD, butadiene, or other arenes. For examples of 17-
electron complexes undergoing associative ligand substitution, see:
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only supported by DFT calculations due to unsuccessful attempts to
speculative s-cis-butadiene complex C (Figure S30 in the Supporting
Information). The butadiene complex C was not observed
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26) Two polymorphs of complex 2 crystallize under the same
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conditions, and they give either one of two structures from several
attempts.
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Trans. 2015, 44, 19232.
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Organometallics XXXX, XXX, XXX−XXX