Irradiation of benzoquinoxalinobarrelenes afforded benzoquinoxalinosemibullvalenes via di-pi-methane rearrangements. The aptitude of quinoxalino-vinyl bridging is greater than that of benzo-vinyl bridging.
Irradiation of benzoquinoxalinobarrelenes afforded benzoquinoxalinosemibullvalenes via di-pi-methane rearrangements. The aptitude of quinoxalino-vinyl bridging is greater than that of benzo-vinyl bridging.