polystyrene-thiophenol; caesium carbonate; triphenylphosphine in tetrahydrofuran T=20°C; 24 h;

potassium carbonate in acetonitrile T=50°C;

1: With triphenylphosphine polystyrene in dichloromethane T=20°C; Mitsunobu reaction; 20 h; 2: With trifluoroacetic acid in dichloromethane T=20°C; 1 h; 3: With potassium carbonate in N,N-dimethyl-formamide T=60°C; 20 h; Further stages.;

1: Py 2: aq. NaOH View Scheme

1: Py 2: aq. NaOH View Scheme

sodium hydroxide