Erratum: Total synthesis of both enantiomers of 15-oxopuupehenol methylendioxy derivatives (Tetrahedron Letters, 1997, 38 (7249-7252) PII: S0040403997016833)

1. Arjona, O.
2. Garranzo, M.
3. Mahugo, J.
4. Maron, E.
5. Plumet, J.
6. Saez, B.