Simple and efficient method for the synthesis of highly substituted imidazoles using zeolite-supported reagents
作者:K. Sivakumar、A. Kathirvel、A. Lalitha
DOI:10.1016/j.tetlet.2010.04.013
日期:2010.6
Cu(II) nitrate impregnated zeolite has been used as an efficient supported reagent for an improved and rapid one-pot synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles in excellent yields. Condensation in the presence of supported reagents with operational simplicity, inexpensive reagents, high yield of products, and the use of non-toxic reagents makes this synthetic protocol
A robust and simple one-pot four component reaction for the efficient synthesis of tetrasubstituted imidazoles has been developed. In the presence of eutectic mixture stabilized iron oxide nanoparticles, the four-component reaction of aldehydes, amines, ammonium acetate, and 1,2-diphenylethane-1,2-dione proceeds smoothly at 60 °C to give a range of imidazole derivatives in moderate to good yields.
Bhattacharyya, Pranabes; Medda, Arunima; Samanta, Anuva, Journal of the Indian Chemical Society, 2011, vol. 88, # 7, p. 983 - 993
作者:Bhattacharyya, Pranabes、Medda, Arunima、Samanta, Anuva、Guchhait, Nikhil、Das, Asish R.
DOI:——
日期:——
Metal-Free, Acid-Promoted Synthesis of Imidazole Derivatives via a Multicomponent Reaction
作者:Chung-Yu Chen、Wan-Ping Hu、Pi-Cheng Yan、Gopal Chandru Senadi、Jeh-Jeng Wang
DOI:10.1021/ol402892z
日期:2013.12.20
An expedient and metal-free synthetic route has been developed for the construction of tri- and tetrasubstituted imidazole derivatives via acid promoted multicomponent reaction methodology. The reaction proceeded smoothly with a range of functionalities to produce the imidazole scaffolds in good to excellent yields.