Key points are not available for this paper at this time.
A benzene, an anthracene, and two naphthalene units, bound via 1,4-cyclohexadiene synthetic groups, characterize the structure of the macropolycycle 1, which can be prepared by successive cleavage of O2 and H2O from a precursor. 1 may provide access to fascinating hydrocarbons like 12cyclacene and 12beltene.
Ashton et al. (Fri,) studied this question.