tert.-butylnitrite; palladium diacetate; acetic acid; tris-(o-tolyl)phosphine in N,N-dimethyl-formamide T=50°C; P=7500.75 Torr; 16 h; Autoclave;

1: 4-bromo-aniline With 2-(4-formyl-3-methoxyphenoxy)ethyl polystyrene; sodium tris(acetoxy)borohydride; trimethyl orthoformate in 1,2-dichloro-ethane T=20°C; 20 h; 2: 4-bromophenylacetic acid With 2-chloro-1-methyl-pyridinium iodide; N-ethyl-N,N-diisopropylamine in dichloromethane T=20°C; 24 h; 3: With trifluoroacetic acid in dichloromethane 20 h;

diethyl ether; phosphorus pentachloride

pyridine

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