Synthetic Communications p. 1102 - 1111 (2011)
Update date:2022-08-31
Topics:
Guo, Xiaoguang
Shang, Jianpeng
Li, Jian
Wang, Liguo
Ma, Yubo
Shi, Feng
Deng, Youquan
A practical method for the synthesis of carbamates from ureas and organic carbonates was developed with 100% atom economy using La2O 3/SiO2 as catalyst without any additional solvent. The scope of the protocol is demonstrated in the synthesis of 14 carbamates with various functional groups in excellent yields (76-95%).
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