cyclizing

Verb

cyclize (third-person singular simple present cyclizes, present participle cyclizing, simple past and past participle cyclized)

1. (ambitransitive) To undergo, or cause to undergo, a reaction resulting in the formation of an aromatic or ring structure.
   • Thus, at 135°C, 223 cyclizes with loss of propene to the borinene 229, which then rearranges to other products.2012, Donald S. Matteson, Stereodirected Synthesis with Organoboranes, page 96