Heterogeneous Catalytic Method for the Copper(II)-Catalysed Addition of H-Phosphinates and Secondary Phosphine Oxides to Phenylacetylene
Open Access
- 15 June 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Catalysis Letters
- Vol. 152 (4), 1100-1108
- https://doi.org/10.1007/s10562-021-03694-6
Abstract
Copper(II) on 4 Å molecular sieve was found to be an efficient heterogeneous catalyst in the addition of different H-phosphinates and secondary phosphine oxides to phenylacetylene. All hydrophosphinylation reactions were completely regioselective, as only β-isomers were formed, and the E-alkenylphosphinates and E-alkenylphosphine oxides were synthesized in moderate to excellent yields. The catalyst could be reused multiple times in the reaction. Graphic AbstractKeywords
Funding Information
- New National Excellence Program (ÚNKP-20-3-II-BME-282)
- Nemzeti Kutatási Fejlesztési és Innovációs Hivatal (TKP2020 NC, Grant No. BME-NC)
- Budapest University of Technology and Economics
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