caesium carbonate; tris(dibenzylideneacetone)dipalladium (0); 1,3-bis(2,6-diisopropylphenyl)imidazolinium in dimethyl amine T=140°C; intramolecular Heck reaction; 1 h;

1: 2-bromo-N-(prop-2-enyl)aniline With tert.-butyl lithium in diethyl ether; n-heptane T=-78°C; 1 h; 2: With N,N,N',N,-tetramethylethylenediamine in diethyl ether; n-heptane T=5°C; 2 h; 3: ethyl acetate With ethanol in diethyl ether; n-heptane T=20°C; 1 h;

1: 2-bromo-N-(prop-2-enyl)aniline With tert.-butyl lithium in diethyl ether; n-heptane T=-78°C; 1 h; 2: With N,N,N',N,-tetramethylethylenediamine in diethyl ether; n-heptane T=5°C; 2 h; 3: tert-butyldimethylsilyl chloride; allyl bromide in diethyl ether; n-heptane T=20°C; 1 h;