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Calocedimers A, B, C, and D from the Bark of Calocedrus m acrolepis var. f ormosana

2006; American Chemical Society; Volume: 69; Issue: 4 Linguagem: Inglês

10.1021/np058090e

1520-6025

Chin‐Lin Hsieh, Lung‐Lin Shiu, Mei‐Huims Tseng, Yi‐Yuan Shao, Yueh‐Hsiung Kuo,

Bioactive natural compounds

Calocedimers A, B, C, and D, together with four known compounds, platydiol, alpha-cadinol, ferrugiol, and 6,7-dehydroferrugiol, were isolated from the bark of Calocedrus macrolepis var. formosana. Calocedimers A, B, C, and D are the dimers of abietane-O-camphane, abietane-O-cadinane, abietane-O-abietane, and abietane-O-abietane, respectively. Their structures were elucidated from spectroscopic data.