dienofuge

== English == === Etymology === From diene +‎ -o- +‎ -fuge. === Noun === dienofuge (plural dienofuges) (organic chemistry) Any organic compound formed when a diene moiety is removed from a molecule Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich However, it is again apparent that cyclopentadiene is a reluctant dienofuge since rearrangement of the strained bicyclo[2.1.0]pentane moiety occurs preferentially.