Sh. Jung et al., TRANSANNULAR DIELS-ALDER REACTION OF A MACROCYCLIC TRIENE, (E,E,E)-13-TRIDECA-2,8,10-TRIENOLACTONE, Tetrahedron letters, 36(7), 1995, pp. 1051-1054
(E,E,E)-13-trideca-2,8,10-trienolactone 3 undergoes rapid transannular
Diels-Alder reaction to produce the trans-anti-cis tricyclic lactone
4 as a single cycloadduct.