Producing of cinnamyl alcohol from cinnamaldehyde over supported gold nanocatalyst

نویسندگان

چکیده

Chemoselective hydrogenation of unsaturated aldehyde to alcohol has attracted growing interests in recent years due its widespread applications fine chemicals. However, the C=O bond was thermodynamically and kinetically unfavorable over C=C bond. Thus, obtain from is very difficult most catalytic systems. In this work, ZnAl-hydrotalcite-supported cysteine-capped Au25 nanoclusters were used as precatalysts for chemoselective cinnamaldehyde cinnamyl alcohol. The catalyst showed stable high selectivity (~ 95%) at prolonged reaction time complete conversion substrate. According results control experiments, in-situ DRIFTS substrate under pressure hydrogen 27Al MAS-NMR spectroscopy, we proposed that difference preferential adsorption derived nature support gold catalysts.

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ژورنال

عنوان ژورنال: Chinese Journal of Catalysis

سال: 2021

ISSN: ['0253-9837', '1872-2067']

DOI: https://doi.org/10.1016/s1872-2067(20)63678-6