Protic ionic liquids as recyclable solvents for the acid catalysed synthesis of diphenylmethyl thioethers - 10/07/13
, Megan T. Thornton b, Nolene Byrne a, Bronwyn L. Fox a, Kelsey D. Waugh b, Jennifer S. Squire b, Linden Servinis b, Joshua P. Delaney b, Hannah L. Brozinski b, Luke M. Andrighetto b, Jarrad M. Altimari b| páginas | 6 |
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Abstract |
The acid catalysed formation of diphenylmethyl (DPM) thioethers was successfully achieved using the protic ionic liquid (pIL) triethylamine:methanesulfonic acid (TeaMs) as the reaction solvent under microwave irradiation. A slight excess of methanesulfonic acid (10% v/v) was required to facilitate the reaction, which was applied to a variety of thiols. Aliphatic, aromatic and heterocyclic aromatic thiols were converted to their corresponding DPM thioethers in high yields (63–99%), in short reaction times (5–20min) and using mild temperatures (80–100°C). Finally, the pIL (TeaMS) was recycled five times without loss of yield.
El texto completo de este artículo está disponible en PDF.Keywords : Protic ionic liquid, Thioether, Thiol, Microwave irradiation
Esquema
Vol 16 - N° 7
P. 634-639 - juillet 2013 Regresar al númeroBienvenido a EM-consulte, la referencia de los profesionales de la salud.
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