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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 197, 2022 - Issue 5-6: ICPC-23: 23rd International Conference on Phosphorus Chemistry; Guest Editors:Professor Jozef Drabowicz; Professor Piotr Kiełbasiński and Professor Tomasz Cierpiał
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Articles

Microwave-assisted esterification of P-acids

Nikoletta Harságia Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, HungaryCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0003-1511-0889View further author information
ORCID Icon,
Nóra Zsuzsa Kissa Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, HungaryORCID Iconhttps://orcid.org/0000-0001-9794-5788View further author information
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Péter Ábrányi-Baloghb Research Centre for Natural Sciences, Medicinal Chemistry Research Group, Budapest, HungaryORCID Iconhttps://orcid.org/0000-0002-9284-5160View further author information
ORCID Icon &
György Keglevicha Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, HungaryCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0002-5366-472XView further author information
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Pages 529-531 | Received 04 Oct 2021, Accepted 05 Oct 2021, Published online: 21 Oct 2021
 
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Abstract

The possibilities for the preparation of dialky phenylphosphonates were evaluated. On the one hand, the oxidation of phenyl-H-phosphinates gave the corresponding phenylphosphonic acid monoesters. On the other hand, phenylphosphonates may be prepared by MW-assisted direct esterification of phenylphosphonic acid. The reaction with alcohols was performed under MW irradiation in the presence of an ionic liquid as the catalyst. The second ester function was established by alkylating esterification carried out with alkyl halides in the presence of triethylamine under MW conditions.

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Funding

This project was supported by the National Research, Development and Innovation Office (K134318).

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