Abstract
The complex bis(acetonitrile)bis(triphenylphosphine)ruthenium(II) sulfate [Ru(PPh 3) 2(NCCH 3) 2(SO 4)], fully characterized spectroscopically and by a single crystal X-ray study, catalyzes at 110 °C the direct transformation of primary alcohols to the corresponding acetals with liberation of molecular hydrogen. The formation of acetals proceeds via direct substitution of the hydroxy group of the hemiacetal intermediate by an alcohol molecule. The closely related bis(triphenylphosphine) ruthenium(II) acetate [Ru(PPh 3) 2(OAc) 2] catalyzes the conversion of primary alcohols to the corresponding esters rather than acetals.
| Original language | English |
|---|---|
| Pages (from-to) | 497-504 |
| Number of pages | 8 |
| Journal | Advanced Synthesis and Catalysis |
| Volume | 354 |
| Issue number | 2-3 |
| DOIs | |
| Publication status | Published - Feb 2012 |
Keywords
- alcohols
- dehydrogenation
- homogeneous catalysis
- ruthenium
- transition metals
ASJC Scopus subject areas
- Catalysis
- Organic Chemistry
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Cite this
Kossoy, E., Diskin-Posner, Y., Leitus, G., & Milstein, D. (2012). Selective acceptorless conversion of primary alcohols to acetals and dihydrogen catalyzed by the ruthenium(II) complex Ru(PPh 3) 2(NCCH 3) 2(SO 4). Advanced Synthesis and Catalysis, 354(2-3), 497-504. https://doi.org/10.1002/adsc.201100672