Quantitative proton NMR determination of linoleic acid mono-and diesters of polyethyleneglycols via reaction with trichloroacetyl isocyanate |
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| Authors: | R. Stefanova D. Rankoff S. Panayotova S. L. Spassov |
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| Affiliation: | (1) Institute ot Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria |
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| Abstract: | A method has been developed for qualitative identification and quantitative determination of linoleic acid mono- and diesters of polyethyleneglycols with various molecular masses. The method is based on proton nuclear magnetic resonance (NMR) spectroscopy analysis of the product obtained after in situ reaction of the ester mixture with trichloroacetyl isocyanate. |
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