(E,Z)-crotononitrile; tri-ruthenium(0)dodecacarbonyl; BIPHEP; zinc(II) chloride in 1,1-dimethylpropan-1-ol T=130°C; Fischer Indole Synthesis; 3 h; Inert atmosphereMicrowave irradiation;

tin(ll) chloride; dihydridotetrakis(triphenylphosphine)ruthenium(II) in 1,4-dioxane; water T=180°C; 20 h; Title compound not separated from byproducts;

silica gel; zirconium oxide T=309.85°C;

2,2,6,6-tetramethylpiperidinyl-lithium 1) diglyme, -78 deg C, 30 min, 2) r.t., 30 min; Yield given. Multistep reaction;