[1,3-Bis(2,6-di-i-propylphenyl)-4,5-dihydroimidazol-2-ylidene]-[2-i-propoxy-5-(trifluoroacetamido)phenyl]methyleneruthenium(II) dichloride M71-S1Pr

Technical Note:
1.Enhanced activity ruthenium "boomerang" pre catalyst used in the olefin metathesis, enyne metathesis, and cross metathesis reactions, that can be recycled, and leaves reduced ruthenium in the product after silica gel chromatography.
References:
1.Eur.J.Org- Chem., 2009, 4254.
2: J.Org. Chem..2008, 73, 4225.