A Structurally Characterized Nonheme Cobalt–Hydroperoxo Complex Derived from Its Superoxo Intermediate via Hydrogen Atom Abstraction
Chun-Chieh Wang
1, 2
,
Hao Ching Chang
1
,
Yei-Chen Lai
2
,
Huayi Fang
3
,
Chieh Chin Li
2
,
Hung-Kai Hsu
1
,
Zong-Yan Li
1
,
TIEN-SUNG LIN
4
,
Ting-Shen Kuo
1
,
Frank Neese
3
,
Shengfa Ye
3
,
Yun-Wei Chiang
2
,
Ming Li Tsai
5
,
WEN-JINN LIAW
2
,
Way Lee
1
Publication type: Journal Article
Publication date: 2016-10-20
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
27726348
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
Bubbling O2 into a THF solution of CoII(BDPP) (1) at -90 °C generates an O2 adduct, Co(BDPP)(O2) (3). The resonance Raman and EPR investigations reveal that 3 contains a low spin cobalt(III) ion bound to a superoxo ligand. Significantly, at -90 °C, 3 can react with 2,2,6,6-tetramethyl-1-hydroxypiperidine (TEMPOH) to form a structurally characterized cobalt(III)-hydroperoxo complex, CoIII(BDPP)(OOH) (4) and TEMPO•. Our findings show that cobalt(III)-superoxo species are capable of performing hydrogen atom abstraction processes. Such a stepwise O2-activating process helps to rationalize cobalt-catalyzed aerobic oxidations and sheds light on the possible mechanism of action for Co-bleomycin.
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Total citations:
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Citations from 2025:
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GOST
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Wang C. et al. A Structurally Characterized Nonheme Cobalt–Hydroperoxo Complex Derived from Its Superoxo Intermediate via Hydrogen Atom Abstraction // Journal of the American Chemical Society. 2016. Vol. 138. No. 43. pp. 14186-14189.
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Wang C., Chang H. C., Lai Y., Fang H., Li C. C., Hsu H., Li Z., LIN T., Kuo T., Neese F., Ye S., Chiang Y., Tsai M. L., LIAW W., Lee W. A Structurally Characterized Nonheme Cobalt–Hydroperoxo Complex Derived from Its Superoxo Intermediate via Hydrogen Atom Abstraction // Journal of the American Chemical Society. 2016. Vol. 138. No. 43. pp. 14186-14189.
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TY - JOUR
DO - 10.1021/jacs.6b08642
UR - https://doi.org/10.1021/jacs.6b08642
TI - A Structurally Characterized Nonheme Cobalt–Hydroperoxo Complex Derived from Its Superoxo Intermediate via Hydrogen Atom Abstraction
T2 - Journal of the American Chemical Society
AU - Wang, Chun-Chieh
AU - Chang, Hao Ching
AU - Lai, Yei-Chen
AU - Fang, Huayi
AU - Li, Chieh Chin
AU - Hsu, Hung-Kai
AU - Li, Zong-Yan
AU - LIN, TIEN-SUNG
AU - Kuo, Ting-Shen
AU - Neese, Frank
AU - Ye, Shengfa
AU - Chiang, Yun-Wei
AU - Tsai, Ming Li
AU - LIAW, WEN-JINN
AU - Lee, Way
PY - 2016
DA - 2016/10/20
PB - American Chemical Society (ACS)
SP - 14186-14189
IS - 43
VL - 138
PMID - 27726348
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
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@article{2016_Wang,
author = {Chun-Chieh Wang and Hao Ching Chang and Yei-Chen Lai and Huayi Fang and Chieh Chin Li and Hung-Kai Hsu and Zong-Yan Li and TIEN-SUNG LIN and Ting-Shen Kuo and Frank Neese and Shengfa Ye and Yun-Wei Chiang and Ming Li Tsai and WEN-JINN LIAW and Way Lee},
title = {A Structurally Characterized Nonheme Cobalt–Hydroperoxo Complex Derived from Its Superoxo Intermediate via Hydrogen Atom Abstraction},
journal = {Journal of the American Chemical Society},
year = {2016},
volume = {138},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/jacs.6b08642},
number = {43},
pages = {14186--14189},
doi = {10.1021/jacs.6b08642}
}
Cite this
MLA
Copy
Wang, Chun-Chieh, et al. “A Structurally Characterized Nonheme Cobalt–Hydroperoxo Complex Derived from Its Superoxo Intermediate via Hydrogen Atom Abstraction.” Journal of the American Chemical Society, vol. 138, no. 43, Oct. 2016, pp. 14186-14189. https://doi.org/10.1021/jacs.6b08642.