Author/Authors :
Cafeo، نويسنده , , Grazia and De Rosa، نويسنده , , Margherita and Kohnke، نويسنده , , Franz H. and Neri، نويسنده , , Placido and Soriente، نويسنده , , Annunziata and Valenti، نويسنده , , Luca، نويسنده ,
Abstract :
The 10α,20β-bis(4-nitrophenyl)-calix[4]pyrrole was found to act as an effective organocatalyst for the hetero Diels–Alder reaction of Danishefsky’s diene with aromatic aldehydes. This discovery is the first reported case of a calixpyrrole that exhibits organocatalytic activity.
Keywords :
organocatalysis , calixpyrrole , hydrogen-bonds , Diels–Alder reaction