Etherification of glycerol with benzyl alcohol catalyzed by solid acids

Autor:	Valter L.C. Gonçalves, Claudio J. A. Mota, Elizabeth R. Lachter, Camila Ramos Silva
Rok vydání:	2009
Předmět:	inorganic chemicals etherification Chemistry organic chemicals Ether glycerol General Chemistry solid acids Catalysis chemistry.chemical_compound Montmorillonite Benzyl alcohol Yield (chemistry) Glycerol Organic chemistry heterocyclic compounds Zeolite
Zdroj:	Journal of the Brazilian Chemical Society v.20 n.2 2009 Journal of the Brazilian Chemical Society Sociedade Brasileira de Química (SBQ) instacron:SBQ Journal of the Brazilian Chemical Society, Volume: 20, Issue: 2, Pages: 201-204, Published: 2009
ISSN:	0103-5053
DOI:	10.1590/s0103-50532009000200002
Popis:	In this work we present the results of glycerol etherification with benzyl alcohol, catalyzed by different solid acids. The mono-benzyl-glycerol ether was the main product in the reactions catalyzed by β zeolite and Amberlyst-35 acid resin, whereas di-benzyl-ether was formed in higher yield with the use of p-toluene-sulfonic acid and K-10 montmorillonite as catalyst. Niobic acid was inactive in this reaction. The porous structure of the zeolite impaired the formation of di and tri-benzyl-glycerol ethers. Neste trabalho apresentamos os resultados da eterificação do glicerol com álcool benzílico, catalisada por diferentes sólidos ácidos. O mono-éter benzílico do glicerol foi o produto principal nas reações com a zeólita β e a resina ácida Amberlyst-35. Já o éter-di-benzílico foi o produto majoritário nas reações com o ácido p-tolueno-sulfônico e a argila K-10 como catalisadores. O ácido nióbico foi inativo na reação. A estrutura porosa da zeólita impediu a formação significativa de produtos de di e tri eterificação.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::683797b213c9ad95d91eab3a9ac33007 https://doi.org/10.1590/s0103-50532009000200002 Zobrazit plný text záznamu