DERIVATIVES OF C-6 FUNCTIONALIZED 4-HETEROALKANALS .5. INFLUENCE OF THE REACTION TEMPERATURE ON SOME ACID-CATALYZED PROCESSES OF 6-HYDROXY-4-OXA-ALKANAL DERIVATIVES AND RELATED PRODUCTS - RING CONTRACTION IN 5-ALKOXY-1,4-DIOXEPANES

1. ESPINOSA, A
2. GALLO, MA
3. CAMPOS, J
4. ENTRENA, A