Versatilite de la reactivite de l'acetilenedicarbaldehyde et d'aldehydes α-acetileniques a l'egard des dienes conjugues cycliques et heterocycliques en milieu acide.

Article abstract of DOI:10.1016/S0040-4039(01)92507-9

Formic solutions of ADCA react with cyclic and heterocyclic conjugated dienes affording the Diels-Alder 1 or pseudo-Michael 2 adducts depending on the nature of the diene.Generalisation to R-C<*>C-CHO and furan shows a similar behaviour (R=CO₂E