Propylene epoxidation coupled with furfural oxidation over Pt(II) porphyrin with molecular oxygen
Green Chemical Engineering(2024)
Abstract
The development of green route for preparing propylene oxide (PO) with molecular oxygen is of significance both in academic and industrial. In this work, propylene epoxidation coupled with furfural oxidation catalyzed by platinum meso-tetraphenylporphyrin (Pt (II)TPP) has been developed. Propylene conversion of and PO selectivity reached up to 56 % and 83 %, respectively. Meanwhile, furfural was almost completely converted to furoic acid. Based on operando characterizations and electron paramagnetic resonance (EPR) tests, a mechanism involved high-valent Pt species was proposed. This work is expected to provide a potential application prospects for producing propylene oxide and furoic acid simultaneously in chemical industry.
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Key words
Propylene,Epoxidation,Molecular oxygen,Furfural,Platinum porphyrins
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