Thermolysis of 1,5-bis-(1-chloroethenyl)anthracene (6) gives cyclopent[hi]-aceanthrylene (2) which at T≥9000 °C rearranges to cyclopent[hi]acephenanthrylene (1). This conversion occurs more readily than that of the monocyclopenta-fused aceanthrylene to acephenanthrylene.
1,5-双-(1-
氯乙烯基)
蒽(6)的闪蒸真空热解得到环戊基[ hi ]-
乙炔(2),其在T≥9000℃下重排成环戊基[ hi ]对
菲(1)。这种转化比单环戊基稠合的
乙炔向对苯二
甲苯的转化更容易发生。