Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Notes
Three Novel 5(6→7)Abeoabietane-Type Diterpenes from the Bark of Taiwania cryptomerioides
Chi-I ChangShih-Chang ChienShue-Mei LeeYueh-Hsiung Kuo
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2003 Volume 51 Issue 12 Pages 1420-1422

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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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© 2003 The Pharmaceutical Society of Japan
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