54 フタバアオイの精油成分の研究
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Ten new sesquiterpenoids (3-12) were isolated from essetial oil of the subterranean part of Asarum caulescens collected in winter at Mt. Fujiwara in Mie Prefecture. Structures of these compounds, which were also derived by transannular rearrangement of germacrone-4,5-epoxide(2), were elucidated on the basis of chemical and spectral results. Transannular rearrangement reactions of 2 under various conditions showed that this compound was assumed to have two conformational isomers, (2-A and 2-B) in a ratio of about 5: 1.
- 天然有機化合物討論会の論文
- 1978-08-22
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