Oxidative aryl-aryl, aryl-benzyl coupling of lignans-reactions of phyllanthin and haloderivatives with TTFA, DDQ, Li/THF: Synthesis of dibenzocyclooctadiene system and phyltetralin - Satyanarayana,P.; Venkateswarlu,S.; Viswanathan,K.N. (Tetrahedron, 1991)