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Short and efficient hemisynthesis of α-eudesmol and cryptomeridiol

✍ Scribed by Mohamed Tebbaa; Ahmed El Hakmaoui; Ahmed Benharref; Mohamed Akssira

Publisher
Elsevier Science
Year
2011
Tongue
French
Weight
220 KB
Volume
52
Category
Article
ISSN
0040-4039

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✦ Synopsis

The aerial part of Dittrichia viscosa yielded two sesquiterpenes, isocostic acid (1) and ilicic acid (2), on multigram scale. These acids are appropriate starting materials for short and facile syntheses of a-eudesmol ( 5) and cryptomeridiol ( 6), natural products featuring anti-Alzheimer and anti-spasmodic properties. Compounds 5 and 6 were obtained in three steps in overall yields of 70% and 52%, respectively.

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