http://www.cnr.it/ontology/cnr/individuo/prodotto/ID48516
An efficient ring opening reaction of methyl epoxystearate promoted by synthetic acid saponite clays (Articolo in rivista)
- Type
- Label
- An efficient ring opening reaction of methyl epoxystearate promoted by synthetic acid saponite clays (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/b900863b (literal)
- Alternative label
Guidotti, M., Psaro, R., Ravasio, N., Sgobba, M., Carniato, F., Bisio, C., Gatti, G., Marchese, L. (2009)
An efficient ring opening reaction of methyl epoxystearate promoted by synthetic acid saponite clays
in Green chemistry (Print); Royal Society of Chemistry, Cambridge (Regno Unito)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Guidotti, M., Psaro, R., Ravasio, N., Sgobba, M., Carniato, F., Bisio, C., Gatti, G., Marchese, L. (literal)
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- CNR ISTM e unità IDECAT , via Venezian 21, 20133 Milano
Università del Piemonte Orientale A.Avogadro, via Bellini 25G, 15100 Alessandria (literal)
- Titolo
- An efficient ring opening reaction of methyl epoxystearate promoted by synthetic acid saponite clays (literal)
- Abstract
- The acid-catalysed reaction of methyl 9,10-epoxystearate ring opening using synthetic saponite acid clay as catalyst, has been studied for the first time. In the presence of methanol, 90% of the epoxide substrate is converted after 5 min and the main reaction product is the vicinal hydroxyether, methyl methoxyhydroxystearate, with 84% of selectivity. In the absence of alcohol the ring opening reaction proceeds slower, leading to a mixture of methyl 9- and 10-oxostearate as main products, and a 9,10-epoxystearate conversion of 66% after 1 h. The performance of acid saponite, an environmentally benign catalyst, is exceedingly higher than those of strong mineralacids, such as H2SO4, widely used for this reaction. (literal)
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