期刊
TETRAHEDRON LETTERS
卷 47, 期 13, 页码 2129-2132出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.01.127
关键词
nitrile; imidazoline; ultrasonic irradiation; ethylenediamine
Rapid and efficient preparation of 2-imidazolines and bis-imidazolines by reaction of ethylenediamine with nitriles in the presence of catalytic amounts of sulfur under ultrasonic irradiation is reported. The advantages of this system are short reaction times, high yields and the ability to carry out large scale reactions. (c) 2006 Elsevier Ltd. All rights reserved.
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