(SPY-5-31)-dichloro-(κ2(C,O)-(2-isopropyloxybenzylidene))(1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene)ruthenium in dichloromethane T=40°C; 12 h; Inert atmosphere;

in benzene T=70°C;

hydrogenchloride; zinc

4-(N,N-dimethlyamino)pyridine; ammonium hydroxide; hydrogen; acetic anhydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole; palladium on activated charcoal 1.) CH2Cl2, 1 h, 2.) CH2Cl2, 20 deg C, 5 d, 3.) methanol, 3 h, 4.) methanol, 40 psi, 2 h; Multistep reaction;

1: 7-methylindan-4-ol With titanium tetrachloride T=20°C; 2: acetyl chloride T=20 - 120°C; 1.25 h;