Synthesis of New Functionally Substituted Bicyclo[4.2.1]nona-2,4,7-trienes by Co(I)-Catalyzed [6π + 2π] Cycloaddition of 1-Benzoylcycloheptatriene

Abstract

: Functionally substituted bicyclo[4.2.1]nona-2,4,7-trienes were synthesized for the first time on the basis of the reaction of [6 π + 2 π ] cycloaddition of hexyn-1 and 4-pentynenitrile to 1-benzoylcycloheptatriene under the action of the three-component catalytic system Co(acac) 2 (dppe)/ Zn/ZnI 2 .