1: bromoacetic acid N-hydroxysuccinimide ester; triphenylphosphino resin in toluene 16 h; 2: With triethylamine in dichloromethane 16 h; 3: 3-phenyl-1-(2-hydroxyphenyl)-prop-2-ene-1-one in 1,4-dioxane T=180°C; 0.25 h; microwave irradiation; Further stages.;

in toluene 24 h; Heating;

piperidine; pyridine T=150°C;