Abstract
Epoxidized vegetable oils are desirable chemicals due to their eco-friendly characteristics and their being a major source of many green products. Ring opening is one of the ways to convert these epoxidized oils to some new intermediates. The use of mono-functional amines, alcohols, acid anhydrides and thioethers for epoxy ring opening has been reported in the literature. In this study, thioglycolic acid (TGA) bearing thiol and carboxylic acid as two different functional groups and methyl ester of thioglycolic acid (TGAME) were used. Currently, there is no reported literature describing epoxy ring opening using chemicals
bearing two different functional groups simultaneously. In this way, two new polyols were synthesized, one with TGA (polyol 1) and one with TGAME (polyol 2). FTIR and 1H- and 13C-NMR spectroscopy confirmed that the ring was opened by the carboxylic acid group of TGA, and the thiol group was not involved in the ring opening whereas the ring was opened by the thiol group in the case of TGAME.
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The authors acknowledge the financial support of The Research Fund of Sakarya University (BAP) (Project no: 2013-02-04-054).
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Karadeniz, K., Akı, H., Sen, M.Y. et al. Ring Opening of Epoxidized Soybean Oil with Compounds Containing Two Different Functional Groups. J Am Oil Chem Soc 92, 725–731 (2015). https://doi.org/10.1007/s11746-015-2638-z
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DOI: https://doi.org/10.1007/s11746-015-2638-z