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Mengjie PENG, Yue LI, Yueli WEI, et al. Studies of Chemical Constituents from Oriental Tobacco YNOTBS1[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2019, 34(1): 180-183. DOI: 10.12101/j.issn.1004-390X(n).201710030
Citation: Mengjie PENG, Yue LI, Yueli WEI, et al. Studies of Chemical Constituents from Oriental Tobacco YNOTBS1[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2019, 34(1): 180-183. DOI: 10.12101/j.issn.1004-390X(n).201710030
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Studies of Chemical Constituents from Oriental Tobacco YNOTBS1

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    • Abstract
  • Purpose In order to investigate the chemical constituents from lower leaves of oriental tobacco YNOTBS1.
    Method Compounds were isolated from methanol extraction of lower leaves of oriental tobacco YNOTBS1 by extracting with ethyl acetate and using silica gel column chromatography and preparative HPLC. Their structures were identified by spectral analysis.
    Results Seven compounds were isolated from this plant. Their structures were identified as phthalic acid isodibutyl ester (1), dibutyl phthalate (2), (+)-sclareolide (3), 14,15-dinor-8-labdene-7,13-dione (4), α-levantenolide (5), β-levantenolide (6) and 8-hydroxy-14,15-dinor-11-labden-13-one (7).
    Conclusion All compounds were obtained from this plant for the first time.
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