One-Hydrogen Polarization in Hydroformylation Promoted by Platinum−Tin and Iridium Carbonyl Complexes: A New Type of Parahydrogen-Induced Effect
Publication type: Journal Article
Publication date: 2002-09-26
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
12381170
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
The first use of parahydrogen-induced polarization (PHIP) in hydroformylation is described including a novel one-hydrogen polarization (oneH-PHIP) in the product RCHO proton. Observed in propanal formed in the reaction of trans-PtCl(COEt)(PPh3)2 + SnCl2 under parahydrogen, oneH-PHIP was examined using the model hydroformylation catalyst Ir(COEt)(CO)2(dppe) (dppe = bis(diphenylphosphino)ethane) that yields the characterized acyl dihydride IrH2(COEt)(CO)(dppe). It is found that oneH-PHIP occurs as a consequence of second-order effects in the acyl dihydride species coupled with stereospecific reductive elimination of aldehyde. Thus, even though hydrogen transfer to substrate in hydroformylation is nonpairwise, parahydrogen effects prove useful mechanistically.
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GOST
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Permin A. B., Eisenberg R. B. One-Hydrogen Polarization in Hydroformylation Promoted by Platinum−Tin and Iridium Carbonyl Complexes: A New Type of Parahydrogen-Induced Effect // Journal of the American Chemical Society. 2002. Vol. 124. No. 42. pp. 12406-12407.
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Permin A. B., Eisenberg R. B. One-Hydrogen Polarization in Hydroformylation Promoted by Platinum−Tin and Iridium Carbonyl Complexes: A New Type of Parahydrogen-Induced Effect // Journal of the American Chemical Society. 2002. Vol. 124. No. 42. pp. 12406-12407.
Cite this
RIS
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TY - JOUR
DO - 10.1021/ja026698t
UR - https://doi.org/10.1021/ja026698t
TI - One-Hydrogen Polarization in Hydroformylation Promoted by Platinum−Tin and Iridium Carbonyl Complexes: A New Type of Parahydrogen-Induced Effect
T2 - Journal of the American Chemical Society
AU - Permin, Alexei B
AU - Eisenberg, Richard B.
PY - 2002
DA - 2002/09/26
PB - American Chemical Society (ACS)
SP - 12406-12407
IS - 42
VL - 124
PMID - 12381170
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2002_Permin,
author = {Alexei B Permin and Richard B. Eisenberg},
title = {One-Hydrogen Polarization in Hydroformylation Promoted by Platinum−Tin and Iridium Carbonyl Complexes: A New Type of Parahydrogen-Induced Effect},
journal = {Journal of the American Chemical Society},
year = {2002},
volume = {124},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/ja026698t},
number = {42},
pages = {12406--12407},
doi = {10.1021/ja026698t}
}
Cite this
MLA
Copy
Permin, Alexei B., and Richard B. Eisenberg. “One-Hydrogen Polarization in Hydroformylation Promoted by Platinum−Tin and Iridium Carbonyl Complexes: A New Type of Parahydrogen-Induced Effect.” Journal of the American Chemical Society, vol. 124, no. 42, Sep. 2002, pp. 12406-12407. https://doi.org/10.1021/ja026698t.