heptacyclic

English

Etymology

hepta- +‎ cyclic

Adjective

heptacyclic (not comparable)

1. (chemistry) Formed of seven rings

   Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich

   Reaction of quadricyclane with Smith’s diene produces the hexacyclic structure 8, while controlled Mitsudo cycloaddition of DMAD onto 8 can be used to form the heptacyclic system 9.