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Newbouldiaquinone and newbouldiamide: a new naphthoquinone-anthraquinone coupled pigment and a new ceramide from Newbouldia laevis.
Newbouldiaquinone (1), a new naphthoquinone-anthraquinone coupled pigment and a new ceramide named newbouldiamide (2), have been isolated from Newbouldia laevis, besides the known compounds lapacholExpand
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Prenylated anthraquinones and other constituents from the seeds of Vismia laurentii.
Two new prenylated anthraquinones, laurenquinone A (1) and B (2) were isolated from the seeds of Vismia laurentii together with four known compounds; xanthone V(1) (3), physcion (4),Expand
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Tithoniamarin and tithoniamide: a structurally unique isocoumarin dimer and a new ceramide from Tithonia diversifolia
Tithoniamarin (1), a new isocoumarin dimer and a new ceramide, named tithoniamide (2a), have been isolated from Tithonia diversifolia, in addition to the known β-sitosterol and β-sitosterolExpand
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Tithoniaquinone A and Tithoniamide B: A New Anthraquinone and a New Ceramide from Leaves of Tithonia diversifolia
From the leaves of Tithonia diversifolia, four compounds were isolated and identified. Two of them, the anthraquinone tithoniquinone A (1) with an unusual substitution pattern on the anthraquinoneExpand
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Laurentixanthone C: A New Antifungal and Algicidal Xanthone from Stem Bark of Vismia laurentii
Laurentixanthone C (1), a new xanthone, was isolated from the stem bark of Vismia laurentii (Guttiferae or Clusiaceae), in addition to the known compounds vismiaquinone (2), bisvismiaquinone (3), andExpand
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