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Pd–heteropoly acid as a bifunctional heterogeneous catalyst for one-pot conversion of citronellal to menthol

2006; Elsevier BV; Volume: 317; Issue: 2 Linguagem: Inglês

10.1016/j.apcata.2006.10.019

1873-3875

Kelly A. da Silva Rocha, Patrícia A. Robles-Dutenhefner, Edésia Martins Barros de Sousa, Elena F. Kozhevnikova, Ivan V. Kozhevnikov, Elena V. Gusevskaya,

Catalysis for Biomass Conversion

Pd–H3PW12O40/SiO2 catalyzes the one-pot transformation of (+)-citronellal to menthol via acid-catalyzed cyclization followed by Pd-catalyzed hydrogenation, with 92% yield of menthol at 100% citronellal conversion and 85% stereoselectivity for the desired (−)-menthol.