Abstract
Two novel diterpenes, obtusanal B (1) and obtusadione (2), along with obtusanal A (3), obtunone (4), 12-hydroxy-6,7-secoabieta-8,11,13-triene-6,7- dial, 8,12-dihydroxydielmentha-5,9-diene-7,11-dione and myrcene, isolated from the heartwood of Chamaecyparis obtusa var. formosana, were characterized by spectroscopic means, including 2D-NMR techniques. Compounds 1 and 2 are 7(6→2)abeoabietane and 14(8→9)abeoabietane type diterpenes, respectively. Their biosyntheses were proposed. © 2004 Pharmaceutical Society of Japan.
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CITATION STYLE
Kuo, Y. H., Chen, C. H., Chien, S. C., & Lin, H. C. (2004). Novel diterpenes from the heartwood of Chamaecyparis obtusa var. formosana. Chemical and Pharmaceutical Bulletin, 52(6), 764–766. https://doi.org/10.1248/cpb.52.764
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