How is Benzo[e]acephenanthrylene (CAS: 205-99-2) typically synthesized?

Benzo[e]acephenanthrylene can be synthesized through a series of reactions including Friedel-Crafts alkylation and acylation. Commonly, it is prepared from anthracene through a complex multistep process. This synthesis typically involves the use of catalysts like aluminum chloride and requires high temperature and pressure conditions to achieve high yields.