Chemical fixation of CO2: efficient synthesis of quinazoline-2,4(1H, 3H)-diones catalyzed by guanidines under solvent-free conditions |
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Authors: | Jian Gao,Cheng-Xia Miao,Sé bastien Chanfreau |
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Affiliation: | State Key Laboratory and Institute of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China |
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Abstract: | Guanidines were proved to be efficient catalysts for the chemical fixation of carbon dioxide with 2-aminobenzonitriles under solvent-free conditions. Notably, the catalysts with low loading worked well for a variety of 2-aminobenzonitriles. As a result, quinazoline-2,4(1H, 3H)-diones by employing present protocol were obtained in good yields under mild conditions. This process represents an alternative approach for the greener chemical fixation of CO2 to afford valuable compounds. |
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Keywords: | Quinazolinedione Aminobenzonitrile Guanidine Carbon dioxide Solvent-free process |
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