Journal of the American Chemical Society, volume 136, issue 18, pages 6586-6589

Iridium-Catalyzed Regioselective Silylation of Secondary Alkyl C–H Bonds for the Synthesis of 1,3-Diols

Publication typeJournal Article
Publication date2014-04-22
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15
ISSN00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
We report Ir-catalyzed intramolecular silylation of secondary alkyl C-H bonds. (Hydrido)silyl ethers, generated in situ by dehydrogenative coupling of a tertiary or conformationally restricted secondary alcohol with diethylsilane, undergo regioselective silylation at a secondary C-H bond γ to the hydroxyl group. Oxidation of the resulting oxasilolanes in the same vessel generates 1,3-diols. This method provides a strategy to synthesize 1,3-diols through a hydroxyl-directed, functionalization of secondary alkyl C-H bonds. Mechanistic studies suggest that the C-H bond cleavage is the turnover-limiting step of the catalytic cycle. This silylation of secondary C-H bonds is only 40-50 times slower than the analogous silylation of primary C-H bonds.

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GOST Copy
Li B. et al. Iridium-Catalyzed Regioselective Silylation of Secondary Alkyl C–H Bonds for the Synthesis of 1,3-Diols // Journal of the American Chemical Society. 2014. Vol. 136. No. 18. pp. 6586-6589.
GOST all authors (up to 50) Copy
Li B., Driess M., Hartwig J. H. Iridium-Catalyzed Regioselective Silylation of Secondary Alkyl C–H Bonds for the Synthesis of 1,3-Diols // Journal of the American Chemical Society. 2014. Vol. 136. No. 18. pp. 6586-6589.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/ja5026479
UR - https://doi.org/10.1021/ja5026479
TI - Iridium-Catalyzed Regioselective Silylation of Secondary Alkyl C–H Bonds for the Synthesis of 1,3-Diols
T2 - Journal of the American Chemical Society
AU - Li, Bijie
AU - Driess, Matthias
AU - Hartwig, John H
PY - 2014
DA - 2014/04/22 00:00:00
PB - American Chemical Society (ACS)
SP - 6586-6589
IS - 18
VL - 136
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
Cite this
BibTex Copy
@article{2014_Li,
author = {Bijie Li and Matthias Driess and John H Hartwig},
title = {Iridium-Catalyzed Regioselective Silylation of Secondary Alkyl C–H Bonds for the Synthesis of 1,3-Diols},
journal = {Journal of the American Chemical Society},
year = {2014},
volume = {136},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/ja5026479},
number = {18},
pages = {6586--6589},
doi = {10.1021/ja5026479}
}
MLA
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MLA Copy
Li, Bijie, et al. “Iridium-Catalyzed Regioselective Silylation of Secondary Alkyl C–H Bonds for the Synthesis of 1,3-Diols.” Journal of the American Chemical Society, vol. 136, no. 18, Apr. 2014, pp. 6586-6589. https://doi.org/10.1021/ja5026479.
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