期刊
ARABIAN JOURNAL OF CHEMISTRY
卷 6, 期 4, 页码 423-427出版社
ELSEVIER
DOI: 10.1016/j.arabjc.2011.01.030
关键词
Urea; Isocyanate; Thiourea; Aqueous medium; Carbamate
A simple and efficient route for the synthesis of Unsymmetrical N,N'-diphenyl urea have been developed in aqueous medium under base and catalyst free condition from corresponding substituted isocyanate and amines. The remarkable key feature of the reaction includes the use of water as an inexpensive and environmentally benign reaction medium, absence of base and any additional catalyst, and easy isolation of the product. (C) 2011 King Saud University. Production and hosting by Elsevier B. V. All rights reserved.
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