Cl2Ni(1,2-bis(diphenylphosphino)ethane); zinc in N,N-dimethyl-formamide T=0 - 110°C; 48 h; Inert atmosphere;

1: DBBN With iodine; magnesium in tetrahydrofuran; toluene T=60 - 75°C; 4 h; Inert atmosphere; 2: bis(4-methylphenyl)bromophosphine in tetrahydrofuran; toluene T=60°C; 3 h;

1: (R)-2,2'-bis(trifluoromethanesulfonyloxy)-1,1'-binaphthalene With Cl2Ni(1,2-bis(diphenylphosphino)ethane) in N,N-dimethyl-formamide 2: bis(4-methylphenyl)bromophosphine With 1,4-diaza-bicyclo[2.2.2]octane in N,N-dimethyl-formamide T=110°C;

Cl2Ni(1,2-bis(diphenylphosphino)ethane); zinc in N,N-dimethyl-formamide T=0 - 110°C; 48 h; Inert atmosphere;