期刊
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
卷 185, 期 7, 页码 1321-1331出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10426500903036014
关键词
Arylthiazoles; arylthioureas; -bromoacetophenones; eco-friendly synthesis; insecticidal activity; microwave irradiation; sonochemistry
资金
- Centre of Advanced Studies (CAS), Department of Chemistry, University of Rajasthan, Jaipur, India
A series of fluorinated 2-(N-arylamino)-4-arylthiazoles (3) was synthesized by the condensation of appropriate arylthioureas (2) with corresponding -bromoacetophenones (1) by using ogreen chemistryo techniques, viz. mechanochemical mixing and microwave or ultrasonic irradiation. Compared with conventional procedures, the reaction can be carried out under milder conditions, requiring a shorter reaction time and giving higher yields following the green chemistry methodology. All the synthesized compounds were characterized on the basis of elemental analyses and spectral data (IR, 1H NMR, and mass spectrometry). Representative compounds were also evaluated for their insecticidal activity against Helicoverpa armigera, and some of them showed promising activity. Supplemental materials are available for this article. Go to the publisher's online edition of Phosphorus, Sulfur, and Silicon and the Related Elements to view the free supplemental file.
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