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Synthesis of Bis-ureas from Bis(o-nitrophenyl) Carbonate
“POLITEHNICA” University of Timisoara, Department of Applied Chemistry and Engineering of Organic and Natural Compounds, 300006 Timisoara, Piata Victoriei 2, Romania
* Author to whom correspondence should be addressed.
Received: 18 November 2008; in revised form: 28 November 2008 / Accepted: 3 December 2008 / Published: 15 December 2008
Abstract: A general method for the preparation of bis-ureas from bis(o-nitrophenyl) carbonate has been developed. Directional urea synthesis is achieved by sequential amine addition to bis(o-nitrophenyl) carbonate in two steps: in the first step bis(o-nitrophenyl) carbonate is reacted with benzylamine to form benzyl-o-nitrophenyl carbamate; in the second step the carbamate is reacted with a variety of diamines in toluene to yield bis-ureas.
Keywords: Bis(o-nitrophenyl) carbonate; Carbamate; Bis-urea
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MDPI and ACS Style
Turoczi, M.-C.; Simon, M.; Badea, V.; Csunderlik, C. Synthesis of Bis-ureas from Bis(o-nitrophenyl) Carbonate. Molecules 2008, 13, 3192-3197.
Turoczi M-C, Simon M, Badea V, Csunderlik C. Synthesis of Bis-ureas from Bis(o-nitrophenyl) Carbonate. Molecules. 2008; 13(12):3192-3197.
Turoczi, Maria-Cristina; Simon, Monika; Badea, Valentin; Csunderlik, Carol. 2008. "Synthesis of Bis-ureas from Bis(o-nitrophenyl) Carbonate." Molecules 13, no. 12: 3192-3197.