A 100-ml stainless steel autoclave with mechanical stirrer was loaded with 100 mg of catalyst and 30 ml of sunflower oil. The autoclave was closed and flushed with H2 three times. H2 (40 bar) was charged, and the autoclave was heated to 150°C with a heating system and stirred properly. After 19 hours, the autoclave was cooled with an ice bath and the pressure was carefully released. The solid was taken up in DCM and sucked with a PTFE tube into a big round bottom flask. It was dissolved in DCM completely and filtered off the catalyst with a PTFE tube, wrapped with filter paper. The volatiles were removed in vacuo, and the remaining oil became solid at room temperature. For further drying, it was heated and melted with an oil bath (bath temperature, 65°C) and connected to high vacuum for several hours. The degree of hydrogenation was determined by measuring 1H NMR with mesitylene as internal standard. From both the product and the starting material, the mol % of double bonds was calculated with mesitylene as internal standard, and the amounts before and after the reaction were compared and the conversion was calculated with respect to that difference.

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