P. Camps et al., NEW APPLICATIONS OF DIMETHYL .0(3,7).0(4,9)]DODECA-5,11-DIENE-8,9-DICARBOXYLATE IN THE SYNTHESIS OF POLYCYCLIC COMPOUNDS, Synthesis, (6), 1997, pp. 668
A short synthesis of diester 9 and the first synthesis of dimethyl 8,9
-dihydrotriquinacene-2,6-dicarboxylate (10) from the readily available
pentacyclic diester 1 is described.