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Carboxymethylation of Cinnamyl Alcohol with Dimethyl Carbonate over Graphitic Carbon Nitrides

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Sammanfattning

A set of graphitic carbon nitride samples was prepared using a straightforward experimental procedure without templates and any subsequent treatments. The materials were studied in-depth using a range of physical and chemical methods such as X-ray diffraction, FTIR spectroscopy, elemental analysis (CHN), nitrogen physisorption, SEM, XPS, TPD CO2. The resulting g-C3N4 was shown to be highly efficient in carboxymethylation of cinnamyl alcohol with dimethyl carbonate yielding up to ca. 82 % of the desired cinnamyl methyl carbonate. In the studied conditions, an increase in the surface N atomic content leads to an increase in selectivity towards the desired carbonate, while a higher surface O content was beneficial for side products. Metal-free graphitic carbon nitride was shown to be one of the most productive (ca. 2 mol/h kgcat) in the investigated reaction among studied heterogeneous catalysts.
OriginalspråkEngelska
TidskriftChemPlusChem
DOI
StatusE-pub före tryck - 23 nov. 2023
MoE-publikationstypA1 Tidskriftsartikel-refererad

Finansiering

N. S. acknowledges the support of the National Research Foundation of Ukraine to the project “New effective zeolite catalysts for environmentally friendly processes of the conversion of renewable raw materials into valuable organic compounds” (project number 2020.02/0335) and the Verkhovna Rada of Ukraine to a personal scholarship for young scientists – doctors of sciences for 2021. The research was also supported by the Johannes Amos Comenius Programme, European Structural and Investment Funds, project ′CHEMFELLS V‘ (No. CZ.02.01.01/00/22_010/0003004). A. K. acknowledges the support of the project CICECO – Aveiro Institute of Materials (UIDB/50011/2020, UIDP/50011/2020 & LA/P/0006/2020) financed by national funds through the FCT/MCTES (PIDDAC).

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