Journal
CATALYSIS LETTERS
Volume 133, Issue 1-2, Pages 201-208Publisher
SPRINGER
DOI: 10.1007/s10562-009-0126-5
Keywords
Solid base catalyst; MgO/ZrO2; Carbon dioxide; Carbonylation; Quinazoline-2,4(1H,3H)-diones derivative
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Funding
- Council of Scientific & Industrial Research (CSIR), India [09/019(0073)2009-EMR-1]
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The synthesis of quinazoline-2,4(1H,3H)-diones from carbon dioxide and 2-aminobenzonitriles using MgO/ZrO2 as a novel and efficient heterogeneous base catalyst is reported. The synthesized MgO/ZrO2 catalyst was characterized by XRD, FTIR and its basic properties were measured using CO2 temperature programed desorption analysis. The effects of various reaction parameters were investigated in detail. A wide variety of aromatic aminobenzonitriles and five member N-heterocyclic carbonitriles were synthesized using this protocol.
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