1: N-methyl-2-(2'-bromophenyl)-1H-indole With n-butyllithium in tetrahydrofuran T=-78°C; 0.5 h; 2: chloro-dicyclohexylphosphine in tetrahydrofuran T=-78 - 20°C; Further stages.;

1: |Inert atmosphere 2: n-butyllithium / tetrahydrofuran / -78 °C / |Inert atmosphere View Scheme

sodium hydroxide in dichloromethane react. of Pd(OAc)2 and C8H5N(CH3)C6H4(P(C6H11)2) under basic conditions (NaOH) at room temp. for 1 h; crystd. from CH2Cl2 soln. layered with hexane at room temp., detd. by XRD;