期刊
TETRAHEDRON LETTERS
卷 50, 期 15, 页码 1748-1750出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.01.146
关键词
Diketopiperazine; Chloroacetamide; Phase transfer catalyst; TEBA
资金
- Higher Education Authority's Programme for Research in Third-Level Institutions (PRTLIs)
A simple and efficient one-step procedure is described for the synthesis of a number of symmetrical 1,4-disubstituted piperazine-2,5-diones under phase transfer conditions. The reactions are carried out at room temperature, starting from a suitable N-chloroacetamide in the presence of an aqueous Solution of sodium hydroxide. Piperazine-2,5-diones were obtained with excellent selectivity in yields of up to 90%. (C) 2009 Elsevier Ltd. All rights reserved.
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