Mild-temperature chemoselective hydrogenation of cinnamaldehyde over amorphous Pt/Fe-Asp-A nanocatalyst with enhanced stability

• Published in: Colloids and surfaces. A, Physicochemical and engineering aspects Vol. 654; p. 130106
• Main Authors: Tang, Yi, Cui, Kuncheng, Li, Yanqiu, Li, Hongkun, Lei, Yang, Chen, Janxin, Xiong, Wei, Yuan, Guoyuan
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 05.12.2022
• Subjects: Adenine; Amorphous Pt nanocatalyst; Cinnamaldehyde; Cinnamyl alcohol; Adenine; Cinnamaldehyde; Amorphous Pt nanocatalyst; Cinnamyl alcohol
• ISSN: 0927-7757; 1873-4359
• DOI: 10.1016/j.colsurfa.2022.130106

Although amorphous Pt nanocatalysts have excellent activity for chemoselective hydrogenation of cinnamaldehyde, the selectivity and stability need to be further enhanced. In this paper, adenine (A) was used as a structure reinforcer to enhance the chemical stability of Fe-L-aspartic (Fe-Asp) coordination compound. The modified Fe-Asp-A support was employed to load Pt nanoparticles, and the resulting amorphous Pt/Fe-Asp-A nanocatalyst exhibited excellent activity, selectivity and stability. Under 50 °C, the conversion of cinnamaldehyde to cinnamyl alcohol was 93.1 % with selectivity of 91.2 %. Moreover, the catalytic performance of amorphous Pt/Fe-Asp-A nanocatalyst kept unchanged after 10 cycles. The amorphous Pt/Fe-Asp-A nanocatalyst could open a new door for high-efficiency selective catalytic hydrogenation of α, β-unsaturated aldehydes. [Display omitted] •Amorphous Pt/Fe-Asp-A catalysts exhibited good catalytic performance.•The CMA conversion and CMO selectivity were 93.1 % and 91.2 % under 50 °C.•Pt/Fe-Asp-A catalyst showed excellent catalytic stability.