Catalytic application of K2Ce(PO4)2 in Knoevenagel condensation -A green protocol |
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| Authors: | Ravish Soni Rubej Khan Anand S Burange Amber J Sahani Samatha Bavera SN Achary Radha V Jayaram |
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| Institution: | 1. Department of Chemistry, Wilson College, Chowpatty, Mumbai, 400 007, India;2. Department of Chemistry, Institute of Chemical Technology, Mumbai, 400019, India;3. Basic Sciences & Humanities Department, Vignan’s Institute of Engineering for Women, Kapujaggarajupeta, Vishakapatnam, Andhra Pradesh, 530046, India;4. Chemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India |
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| Abstract: | A framework connected phosphate material K2Ce(PO4)2, explored for the first time for the Knoevenagel condensation of aldehydes with malononitrile in water. The catalyst was prepared by newly developed solid-state method and characterized using XRD, RAMAN, FTIR, BET surface area, TPD, XPS, SEM and HRTEM. The developed protocol showed the substrate compatibility along with the catalyst reusability. Moreover, the catalyst was scaled up to 30 g and also showed reusability. The role of predominant Ce(IV) species was also discussed apart from phosphate basic sites. |
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| Keywords: | Phosphate Base catalysis Green synthesis Olefin synthesis Ce(IV) |
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