Liquid-Phase Synthesis of Cyanuric Acid from Urea

The focus of this paper was to identify a cheaper solvent from among diesel fuel, kerosene, sulfolane or a mixture of sulfolane and cyclohexanol for the preparation of cyanuric acid heterocyclization of urea. To obtain a higher yield, the effects of catalyst (sodium, ammonium, calcium and zinc salts...

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Published inMolecules (Basel, Switzerland) Vol. 15; no. 3; pp. 1898 - 1902
Main Authors She, Dong-Mei, Yu, Hai-Lin, Huang, Qi-Liang, Li, Fen-Ming, Li, Chun-Jiu
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 16.03.2010
Molecular Diversity Preservation International
Subjects
Acids
Agricultural production
Catalysis
cyanuric acid
Diesel fuels
High temperature
Kerosene
liquid-phase
Solvents
Triazines - chemical synthesis
urea
Urea - chemistry
yield
Beijing China
China
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Summary:The focus of this paper was to identify a cheaper solvent from among diesel fuel, kerosene, sulfolane or a mixture of sulfolane and cyclohexanol for the preparation of cyanuric acid heterocyclization of urea. To obtain a higher yield, the effects of catalyst (sodium, ammonium, calcium and zinc salts) and temperature (160 °C to 220 °C) on the trimerization of urea were also carefully studied. We established the optimal reaction conditions and further validated them in our scale-up experiments.
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ISSN:1420-3049
1420-3049
DOI:10.3390/molecules15031898