Three novel 5(6-->7)abeoabietane-type diterpenes from the bark of Taiwania cryptomerioides |
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| Authors: | Chang Chi-I Chien Shih-Chang Lee Shue-Mei Kuo Yueh-Hsiung |
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| Affiliation: | Shu Zen College of Medicine & Management, Kaohsiung, Taiwan, ROC. |
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| Abstract: | Three new 5(6-->7)abeoabietane diterpenes with the uncommon skeleton of fused 6-5-6 rings were isolated from the bark of Taiwania cryptomerioides designated as taiwaniaquinone F (8), taiwaniaquinol C (9) and taiwaniaquinol D (10). Meanwhile, two known compounds, taiwaniaquinones A (1) and D (4), were also obtained. Their structures were determined principally from spectral evidence. |
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