METHOD OF OBTAINING SI- COMPRISING OF THE BICYCLO 4.2.1 NONA-2,4,7- TRIENES

摘要

A process for preparing Si-containing bicyclo [4.2.1] nona-2,4,7-trienes of general formula (1): by catalytic reacting 1,3,5-cycloheptatriene (CGT) with Si-containing acetylenes, characterized in that as the catalyst system used Ti (acac) Cl-EtAlCl, as the Si-containing acetylene - compound of general formula (wherein R - as defined above), the reaction is carried out at a molar ratio of acetylene Si- comprising: CGT: Ti (acac) Cl: EtAlCl = ( 8-12): 10: (0.1-0.3): 4, in the vial at 20-80 ° C, in benzene for 7-48 hours.