Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes
Publication type: Journal Article
Publication date: 2019-12-05
scimago Q2
wos Q1
SJR: 0.676
CiteScore: 5.1
Impact factor: 2.9
ISSN: 02767333, 15206041
Organic Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
We report the synthesis and reactivity of the half-sandwich rhodium(III) complexes with the fully methylated cyclohexadienyl ligand C6Me7, which is analogous to the classical Cp*. The starting complex [(C6Me7)RhCl2]2 (4) was obtained in high yield (92%) by the reaction of [(cyclooctene)2RhCl]2 with the readily available 6-methylenehexamethylcyclohexadiene-1,4 (C6Me6═CH2) followed by addition of HCl. Reactions of complex 4 with common two-electron ligands L gave the expected adducts (C6Me7)RhCl2L (L = pyridine, P(OEt)3, PPh3) in high yields (80–90%). At the same time, the interaction of 4 with the stronger ligand tBuNC led to the replacement of the C6Me7 ligand. The cationic complex [(C6Me7)Rh(dppe)Cl]PF6 and the dicationic complex [(C6Me7)Rh(C6Me6)](BF4)2 were obtained by abstraction of chlorides from 4 with TlPF6 or AgBF4 in the presence of the corresponding ligands. The reaction of 4 with 2-phenylpyridine in the presence of CsOAc proceeded via CH activation and gave the cyclometalated product (C6Me7)Rh(...
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Pototskiy R. A. et al. Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes // Organometallics. 2019. Vol. 38. No. 24. pp. 4607-4614.
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Pototskiy R. A., Nelyubina Y. V., Perekalin D. S. Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes // Organometallics. 2019. Vol. 38. No. 24. pp. 4607-4614.
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TY - JOUR
DO - 10.1021/acs.organomet.9b00621
UR - https://doi.org/10.1021/acs.organomet.9b00621
TI - Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes
T2 - Organometallics
AU - Pototskiy, Roman A
AU - Nelyubina, Yulia V.
AU - Perekalin, Dmitry S
PY - 2019
DA - 2019/12/05
PB - American Chemical Society (ACS)
SP - 4607-4614
IS - 24
VL - 38
SN - 0276-7333
SN - 1520-6041
ER -
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@article{2019_Pototskiy,
author = {Roman A Pototskiy and Yulia V. Nelyubina and Dmitry S Perekalin},
title = {Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes},
journal = {Organometallics},
year = {2019},
volume = {38},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/acs.organomet.9b00621},
number = {24},
pages = {4607--4614},
doi = {10.1021/acs.organomet.9b00621}
}
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Pototskiy, Roman A., et al. “Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes.” Organometallics, vol. 38, no. 24, Dec. 2019, pp. 4607-4614. https://doi.org/10.1021/acs.organomet.9b00621.