We have used two-dimensional correlation NMR spectroscopy to study the structure of a new derivative of resin acids isolated from a rosin–itaconic acid adduct. We have established that the synthesized compound is the product of addition of citraconic anhydride to levopimaric acid, the structure of which is close to the structure of maleopimaric acid.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 76, No. 4, pp. 633–636, July–August, 2009.
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Bei, M.P., Baranovskii, A.V. & Yuvchenko, A.P. Structure of a rosin–itaconic acid adduct from 2D NMR spectroscopy data. J Appl Spectrosc 76, 603–606 (2009). https://doi.org/10.1007/s10812-009-9240-9
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DOI: https://doi.org/10.1007/s10812-009-9240-9