cyclopropanation

noun1

1. •
   Any reaction that introduces a cyclopropane ring into a compound.

   • Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich In summary, the cyclopropanation reaction of rhodium-stabilized vinylcarbenoids has great utility since it is highly diastereoselective, and the resulting vinylcyclopropanes are versatile synthetic intermediates.