A Facile Synthesis of 2,6-Octadienedioic and 2,4,8,10-Dodecatetraenedioic Acids by Oxidative Coupling of 2-Butenoic or 2,4-Hexadenoic Acids - Aurell, M J; Gil, S; Tortajada, A; Mestres, R (Synthesis, 1990)