Acid-promoted cycloisomerizations of phenylallenes bearing acetalic functions at the ortho position: A stereocontrolled entry to indeno-fused dioxepanes, dioxocanes and thioanalogues

1. Marin-Luna, M.
2. Vidal, A.
3. Bautista, D.
4. Orenes, R.-A.
5. Alajarin, M.