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3, 4-seco-Isopimarane and 3, 4-seco-pimarane diterpenoids from Callicarpa nudiflora / 中国天然药物
Chinese Journal of Natural Medicines (English Ed.) ; (6): 632-640, 2021.
Article in English | WPRIM | ID: wpr-888792
ABSTRACT
A phytochemical investigation was carried out on the extract of a medicinal plant Callicarpa nudiflora, resulting in the characterization of five new 3, 4-seco-isopimarane (1-5) and one new 3, 4-seco-pimarane diterpenoid (6), together with four known compounds. The structures of the new compounds were fully elucidated by extensive analysis of MS, 1D and 2D NMR spectroscopic data, and time-dependent density functional theory (TDDFT) calculation of electronic circular dichroism (ECD) spectra, and DFT calculations for NMR chemical shifts and optical rotations.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Molecular Structure / Plant Leaves / Callicarpa / Abietanes / Diterpenes / Phytochemicals Language: English Journal: Chinese Journal of Natural Medicines (English Ed.) Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Molecular Structure / Plant Leaves / Callicarpa / Abietanes / Diterpenes / Phytochemicals Language: English Journal: Chinese Journal of Natural Medicines (English Ed.) Year: 2021 Type: Article