Carboxylation of 2-methylbutyn-3-ol-2 on Ag- and Cu-containing catalysts


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Resumo

The analysis of the products of direct carboxylation of 2-methylbutyn-3-ol-2 with carbon dioxide on Ag- and Cu-containing catalysts by 1Н and 13С NMR and FTIR spectroscopy showed that the desired 4-hydroxy-4-methylpent-2-ynoic acid did not form under the given conditions; instead, the triple bond of the substrate decomposed, and two polyfunctional acids formed: 4-hydroxy-4-methyl-3-oxopentanoic and 3,4-dihydroxy-4-methylpent-2-enic (the latter is the result of the keto-enol rearrangement of the former keto acid).

Sobre autores

E. Finashina

Zelinskii Institute of Organic Chemistry

Autor responsável pela correspondência
Email: finesta@mail.ru
Rússia, Moscow

L. Kustov

Zelinskii Institute of Organic Chemistry; Department of Chemistry

Email: finesta@mail.ru
Rússia, Moscow; Moscow

V. Krasovskii

Zelinskii Institute of Organic Chemistry

Email: finesta@mail.ru
Rússia, Moscow

E. Formenova

Zelinskii Institute of Organic Chemistry

Email: finesta@mail.ru
Rússia, Moscow

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