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E-Journal of Chemistry
Volume 9, Issue 4, Pages 2108-2113
http://dx.doi.org/10.1155/2012/802408

Synthesis of 1,5-Diaryl-1,4-pentadien-3-one Amidinohydrazone Hydrochloride Under Ultrasound Irradiation

Key Laboratory Analytical Science and Technology Hebei Province, Key Laboratory of Medical Chemistry and Molecular Diagnosis, Ministry of Education, College Chemistry and Environmental Science, Hebei University, Baoding 071002, China

Received 26 July 2011; Accepted 5 September 2011

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Synthesis of 1,5-diaryl-1,4-pentadien-3-one amidinohydrazone hydrochloride via the condensation of 1,5-diaryl-1,4-pentadien-3-one and aminoguanidine hydrochloride catalyzed by hydrochloric acid was carried out in 80-94% yield at 35-37°C within 1.5 h under ultrasound irradiation. Compared to the classical method, the advantages of this method are milder conditions, shorter reaction time and higher yield.