1,8-diazabicyclo[5.4.0]undec-7-ene in N,N-dimethyl-formamide 1 h; microwave irradiation;

1: (Z)-1-[2-bromovinyl]-4-bromobenzene With tris-(dibenzylideneacetone)dipalladium(0); 1,3-bis-(diphenylphosphino)propane; sodium carbonate in diethyl ether; N,N-dimethyl acetamide T=20 - 100°C; Inert atmosphere; 2: 2-hydroxy-2-methyl-propionitrile in diethyl ether; N,N-dimethyl acetamide T=100°C; 7 h; Inert atmosphere; Catalytic behavior; Overall yield = 67 percent; Overall yield = 75 mg; chemoselective reaction;

With  N-bromosuccinmide; Mn(CH3COO)2*4H2O in  water; acetonitrile T=20°C;