AlCl3, aluminium chloride; bromine in tetrahydrofuran T=0°C; 0.333333 h;

thionyl bromide T=80 - 90°C; 3 h;

benzene

nBu4NPF6 in methanol T=20°C; 0.216667 h;

nBu4NPF6 in methanol T=20°C; 0.25 h;

1: 1-vinyloxycarbonylpiperazine With 2,2'-azo-bisisobutyronitrile; Merrifield SH resin; reduced by dithiothreitol in N,N-dimethyl-formamide T=80°C; Addition; 2: 4-bromobenzoyl bromide With pyridine Solid phase reaction; 3: With 1,8-diazabicyclo[5.4.0]undec-7-ene; 3-chloro-benzenecarboperoxoic acid in dichloromethane Oxidation; Elimination;