1: 23 °C 2: 85 percent / NaBH4 / 120 h / 23 °C View Scheme

tris(dibenzylideneacetone)dipalladium (0); 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; trifluoroacetic acid; sodium t-butanolate 1.) toluene, 100 deg C, 20 h, 2.) CH2Cl2; Yield given. Multistep reaction. Yields of byproduct given;

in water; ethyl acetate T=20°C; 1 h;