Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 9, Issue 1, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2020.104401
Keywords
Metal-organic frameworks; CuBDC; Nitro compounds; Reduction; Hydrogenation
Categories
Funding
- Ministry of Higher Education and Scientific Research (MHESR), Assiut University
- Institutional Review Board (IRB) of the Faculty of Science at Assiut University, Egypt
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The 2D metal-organic frameworks CuBDC and CuO@C were investigated as catalysts for the reduction of 4-nitrophenol, showing high efficiency and stability in converting 4-NP to 4-AP. These materials have promising applications in organic synthesis through nitro group reduction.
Two-dimensional (2D) metal-organic frameworks (MOFs), called copper-terephthalate, and CuO@C were investigated as catalysts for the reduction of 4-nitrophenol (4-NP) via hydrogenation using sodium borohydride (NaBH4) as a reducing agent. Copper-terephthalate frameworks were synthesized using the solvothermal method. While, CuO@C was synthesized using carbonization of copper-terephthalate at temperature of 400 degrees C, 500 degrees C, 600 degrees C, and 700 degrees C. Both materials displayed a complete reduction of 4-NP to 4-aminophenol (4-AP) in a short time (3 min) with a rate of 15.1x10(-3) min(-1), and 6.0x10(-3) min(-1) at room temperature for CuBDC, and CuO@C, respectively. The materials could be used for more than five times without obvious fading in their catalytic activities. The mechanism of the reduction was also discussed. The materials are promising for catalytic applications such as organic synthesis via the reduction of the nitro groups.
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