Abstract: As part of an overall program investigating the behavior of a-electron systems forced into close proximity, a synthesis of [25](1, 2, 3, 4, 5) cyclophane (11) has been accomplished in six steps, as shown in Scheme I, with an overall yield of 31%. The key to ...
![1,2-bis([1,2:4,5]dicyclobutaphenyl)ethane Structure](https://image.chemsrc.com/caspic/458/70759-59-0.png)
Cyclophane Structure](https://image.chemsrc.com/caspic/006/70759-58-9.png)
