METHOD OF OBTAINING JOINT PENTACYCLO 7.5.0.0 .0.0 TETRADECA-3,12- DIENE AND PENTACYCLO 8.4.0.0 .0.0 TETRADECA-8,12- DIENE

摘要

Method coproduction pentacyclo [7.5.00.0.0] tetradeca-3,12-diene of formula (1) and pentacyclo [8.4.00..0.0] tetradeca-8,12-diene of formula (2): characterized by homodimerization 1.3 5-cycloheptatriene (CGT) in the presence of Ti-containing catalyst system, characterized in that the catalyst used is Ti (acac) Cl-EtAlCl, the reaction is conducted at a molar ratio CGT: Ti (acac) Cl: EtAlCl = 10: (0.1- 0.3): 4, under argon, at 5-80 ° C, in benzene, for 6-72 hours.