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Citation: WANG Chen, WANG Yue, YAO Jie, WANG Gong-Ying, XUE Yuan, LI Shi-Xin. Synthesis of Long Chain Aliphatic Carbonic Esters by Catalytic Alcoholysis of Urea[J]. Chinese Journal of Applied Chemistry, ;2003, 20(9): 879-882. shu

Synthesis of Long Chain Aliphatic Carbonic Esters by Catalytic Alcoholysis of Urea

WANG Chen ^a ,
WANG Yue ^a ,
YAO Jie ^a ,
WANG Gong-Ying ^a,, ,
XUE Yuan ^b ,
LI Shi-Xin ^b

1.
a Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041;
2.
b Urumqi Branch of China Petrochemical Co. Ltd., Urumqi

Corresponding author: WANG Gong-Ying,
Received Date: 4 December 2002
Available Online: 12 May 2003

Some metal oxides, organic and inorganic salts were studied as catalyst for synthesis of aliphatic carbonic ester by alcoholysis of urea. It is found that ZnO has higher catalytic activity in the catalysts tested with diisoamyl carbonate yield 58.3%~76.3%, when reaction is carried out at 160~200℃ for 8 h, the molar ratio of isoamyl alcohol to urea and mass fraction of catalyst are 3.3 and 0.85% respectively.
- urea,
- alcoholysis,
- carbonic ester,
- ZnO
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