New diruthenium (II,III) compounds bearing terminal olefin groups

► Preparation of Ru2(DmAniF)4−n(O2C(CH2)mCHCH2)nCl (n = 1 and 2) type compounds. ► Ru2(DmAniF)2(O2C(CH2)mCHCH2)2Cl undergo ring-closing metathesis reactions. ► Potential passivation of H-Si surface with Ru2(DmAniF)3(O2C(CH2)mCHCH2)Cl.