Although the olefin metathesis reaction is a well‐known and powerful strategy to get alkenes, this reaction remained highly challenging with fluororalkenes, especially the Cross‐Metathesis (CM) process. Our thought was to find an easy accessible, convenient, reactive and post‐functionalizable source of fluoroalkene, that we found as the methyl 2‐fluoroacrylate. We reported herein the efficient ruthenium‐catalyzed CM reaction of various terminal and internal alkenes with methyl 2‐fluoroacrylate giving access, for the first time, to trisubstituted fluoroalkenes stereoselectively. Unprecedent TON for CM involving fluoroalkene, up to 175, have been obtained and the reaction proved to be tolerant and effective with a large range of olefin partners giving fair to high yields in metathesis products.

Whereas the olefin metathesis is recognized as a powerful tool to produce alkene, the use of fluoroalkenes in metathesis catalyzed-reactions still remains a major current challenge.Herein, we presented the main developments in that field both in ring-closing-and crossmetathesis, highlighting the major improvements of these last years.