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A very short and efficient synthesis of (+)-conocephalenol

✍ Scribed by Janine Cossy; Samir BouzBouz; Abdelhak Hakiki

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 107 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)10391-4

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✦ Synopsis

The synthesis of (+)-conoeephalenol, a brasilane sesquiterpenoid alcohol, was achieved in seven steps from (R)-pulegone with an overall yield of 15%. The key steps were a radical addition of a tertiary radical to the eleetrophilic radicophile, (R)-3-methyl-2-methyleneeyclopentanone, and an aldol eyclization under acidic conditions.

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