Chinese Journal of Magnetic Resonance ›› 1999, Vol. 16 ›› Issue (5): 449-453.
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Yan Baozhen, Li Wenxia, Jiao Shuke
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Abstract: Resin acid is the main component of rosin, the quality of the disproportionated rosin is dependent on the amount of resin acid. The 1H NMR, 13C NMR,DEPT(θ=3/4π) spectra of abietic acid, neoabietic acid, levopimaric acid, pulustic acid and dehydroabietic acid have been determined. We also have assigned all peaks in the spectra by HMQC and HMBC coherenec spectra.
Key words: Resin acid, Disproportionated rosin, Two dimension coherence spectra
Yan Baozhen, Li Wenxia, Jiao Shuke. THE NMR STUDY ON THE ISOSTRUCTURE OF DISPROPORTIONED ROSIN[J]. Chinese Journal of Magnetic Resonance, 1999, 16(5): 449-453.
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