Abstract
New azo-perester derivatives of tert-butyl and tert-amyl hydroperoxides were obtained in reactions of azo acid chlorides with hydroperoxides in the presence of an inorganic base. Obtained azo-peresters possess two kinds of the labile functional groups: the azo group and also the perester group. The data from DSC experiments indicate that in the case of azo-perester derivatives of tert-amyl hydroperoxide, the perester group decomposes at a somewhat lower temperature than in the case of tert-butyl derivatives, whereas azo groups decompose at somewhat higher temperature in the case of derivatives with tert-amyl substituent.
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Acknowledgments
The authors express their gratitude to the Ministry of Science and Higher Education (Grant No. N N205 4006 33) for financial support.
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Zawadiak, J., Hefczyc, B., Janeczek, H. et al. Synthesis and thermal properties of azo-peroxyesters. Monatsh Chem 140, 303–308 (2009). https://doi.org/10.1007/s00706-008-0023-4
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DOI: https://doi.org/10.1007/s00706-008-0023-4