hydridotetrakis(triphenylphosphine)rhodium (Ph3P)4RhH; tri(n-butyl)silane; tert-butyl trisulphide; bis(1,2-diphenylphosphino)benzene in N,N-dimethyl-formamide T=80°C; 12 h;

N(Et)4ClO4 in acetonitrile Rate constant;