Ej. Corey et Tw. Lee, ENANTIOSELECTIVE DIELS-ALDER REACTIONS BETWEEN CYCLOPENTADIENE AND ALPHA,BETA-ACETYLENIC ALDEHYDES CATALYZED BY A CHIRAL SUPER LEWIS-ACID, Tetrahedron letters, 38(33), 1997, pp. 5755-5758
The first examples of catalytic enantioselective Diels-Alder reactions
of cyclopentadiene and alpha,beta-acetyleptic aldehydes such as Bu3Sn
C=CCHO are described. (C) 1997 Elsevier Science Ltd.