[EN] SYNTHESIS OF BICYCLO(2.2.2)OCTANES<br/>[FR] SYNTHÈSE DE BICYCLO (2.2.2) OCTANES
申请人:EASTMAN CHEM CO
公开号:WO2018075301A1
公开(公告)日:2018-04-26
Provided is a process for the preparation of certain 1,4- bicyclo[2.2.2]octane derivatives. The new synthetic procedure involves treating 1,4-dimethylene cyclohexane with an oxidizing agent in the presence of a transition metal catalyst comprising a palladium compound to afford certain oxo-subsituted bicyclo[2.2.2]octane species. The process of the invention thus affords a novel and simplified means for the commercial production of a wide variety of bicyclo[2.2.2]octane derivatives.
Polar Effects. Part 14. Inductive Charge Dispersal in Bicyclo[2.2.2]oct-1-yl Cations
作者:Rolf Bielmann、Cyril A. Grob、Dieter Küry、Guo Wei Yao
DOI:10.1002/hlca.19850680810
日期:1985.12.18
The rate constants (log k) for solvolysis of 2-, 3-, and 4-substituted bicyclo[2.2.2]octyl p-nitrobenzenesulfonates 10, 11 and 12, respectively, correlate linearly with the corresponding inductive substituent constants s̀. The formation of the ion pairs 9 is, therefore, controlled by the I effect of neighboring substituents. It follows from the corresponding reaction constants ρ1 of −1.54, −1.12, and