## Abstract A new reaction sequence for the synthesis of the sesquiterpene arenes (Β±)βwiedendiol B ((Β±)β**1**) and the siphonodictyal B derivative (Β±)β **21** consists in the coupling of (Β±)βdrimanoyl chloride ((Β±)β**3**) with lithiated and appropriately substituted aromatic synthons to furnish the
7a(H)-Eremophila-1,11-dien-9-one. A new sesquiterpene of the eremophilane type.
β Scribed by G.L. Chetty; L.H. Zalkow; R.A. Massy-Westropp
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- French
- Weight
- 156 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0040-4039
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The synthesis of (+)-4,4-dinor-9BH-pimara-7,15-diene, 4, a model compound for momilactones, has been achieved via stereospecific Diels-Alder reaction and alkylation. The fungitoxic momilactone diterpenes (eg. momilactone A, 2) form a class of rather unusual natural products, possessing a trans-syn h
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