Journal of the American Chemical Society, volume 144, issue 39, pages 18109-18116

Ligand-Enabled C–H Hydroxylation with Aqueous H2O2 at Room Temperature

Zhen Li 1
Han-Seul Park 1
Jennifer X Qiao 2
Kap-Sun Yeung 3
Jinquan Yu 1
2
 
Small Molecule Drug Discovery, Bristol Myers Squibb Research and Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
3
 
Small Molecule Drug Discovery, Bristol Myers Squibb Research and Early Development, 100 Binney Street, Cambridge, Massachusetts 02142, United States
Publication typeJournal Article
Publication date2022-09-22
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15
ISSN00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
With the large number of Pd(II)-catalyzed C-H activation reactions of native substrates developed in the past decade, the development of catalysts to enable the use of green oxidants under safe and practical conditions has become an increasingly important challenge. Notably, the compatibility of Pd(II) catalysts with sustainable aqueous H2O2 has been a long-standing challenge in catalysis including Wacker-type oxidations. We report herein a bifunctional bidentate carboxyl-pyridone (CarboxPyridone) ligand that enables room-temperature Pd-catalyzed C-H hydroxylation of a broad range of benzoic and phenylacetic acids with an industry-compatible oxidant, aqueous hydrogen peroxide (35% H2O2). The scalability of this methodology is demonstrated by a 1000 mmol scale reaction of ibuprofen (206 g) using only a 1 mol % Pd catalyst loading. The utility of this protocol is further illustrated through derivatization of the products and synthesis of polyfluorinated natural product coumestan and pterocarpene from phenol intermediates prepared using this methodology.

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GOST |
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GOST Copy
Li Z. et al. Ligand-Enabled C–H Hydroxylation with Aqueous H2O2 at Room Temperature // Journal of the American Chemical Society. 2022. Vol. 144. No. 39. pp. 18109-18116.
GOST all authors (up to 50) Copy
Li Z., Park H., Qiao J. X., Yeung K., Yu J. Ligand-Enabled C–H Hydroxylation with Aqueous H2O2 at Room Temperature // Journal of the American Chemical Society. 2022. Vol. 144. No. 39. pp. 18109-18116.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/jacs.2c08332
UR - https://doi.org/10.1021/jacs.2c08332
TI - Ligand-Enabled C–H Hydroxylation with Aqueous H2O2 at Room Temperature
T2 - Journal of the American Chemical Society
AU - Li, Zhen
AU - Park, Han-Seul
AU - Qiao, Jennifer X
AU - Yeung, Kap-Sun
AU - Yu, Jinquan
PY - 2022
DA - 2022/09/22 00:00:00
PB - American Chemical Society (ACS)
SP - 18109-18116
IS - 39
VL - 144
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
Cite this
BibTex Copy
@article{2022_Li,
author = {Zhen Li and Han-Seul Park and Jennifer X Qiao and Kap-Sun Yeung and Jinquan Yu},
title = {Ligand-Enabled C–H Hydroxylation with Aqueous H2O2 at Room Temperature},
journal = {Journal of the American Chemical Society},
year = {2022},
volume = {144},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/jacs.2c08332},
number = {39},
pages = {18109--18116},
doi = {10.1021/jacs.2c08332}
}
MLA
Cite this
MLA Copy
Li, Zhen, et al. “Ligand-Enabled C–H Hydroxylation with Aqueous H2O2 at Room Temperature.” Journal of the American Chemical Society, vol. 144, no. 39, Sep. 2022, pp. 18109-18116. https://doi.org/10.1021/jacs.2c08332.
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