Abstract
Au- and Rh-based heterogeneized catalytic systems have been prepared and analyzed. Their efficiency has been evaluated for the cycloisomerization of γ-acetylenic carboxylic acids leading to valuable γ-alkylidene γ-butyrolactones. Bulk AuO3 was found to be a valuable and easy-to-handle catalyst for selective transformations, whereas [C 6mim][AuCl4] presented a high activity and Au/β-zeolite was recyclable. © 2009 IUPAC.
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Neaţu, F., Toullec, P. Y., Michelet, V., & Pârvulescu, V. I. (2009). Heterogeneous Au and Rh catalysts for cycloisomerization reactions of γacetylenic carboxylic acids. In Pure and Applied Chemistry (Vol. 81, pp. 2387–2396). https://doi.org/10.1351/PAC-CON-09-01-01
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