Synthesis of spirovetivane sesquiterpenes from santonin. Synthesis of (+)-anhydro-β-rotunol and all diastereomers of 6,11-spirovetivadiene

1. Blay, G.
2. Cardona, L.
3. Collado, A.M.
4. García, B.
5. Morcillo, V.
6. Pedro, J.R.