Abstract
Two new bis-secolabdane diterpenoids, excoecarins R1 (1) and R2 (2), were isolated from the resinous wood of Excoecaria agallocha. The structures of 1 and 2 were established on the basis of spectroscopic data interpretation and chemical evidence.
MeSH terms
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Diterpenes / chemistry
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Diterpenes / isolation & purification*
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Euphorbiaceae / chemistry*
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Hydrolysis
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Japan
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Molecular Structure
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Oxidation-Reduction
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Plant Bark / chemistry
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Plants, Medicinal / chemistry*
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Stereoisomerism
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Wood
Substances
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Diterpenes
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excoecarin R1
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excoecarin R2