[1,3-bis(diphenylphosphino) propane] dichloronickel(II); trimethylaluminum in hexane; toluene 7 h; Heating;

1: N-vinylmethylacetamide With sodium hydride in tetrahydrofuran T=0°C; 1 h; 2: benzyl bromide in tetrahydrofuran T=75°C;

sodium hydride in tetrahydrofuran T=20°C;

2,12-dimethyl-3,7,11,17-tetraazabicyclolt;11.3.1gt;heptadeca-1(17),2,11,13,15-pentaenenickel(II) perchlorate; bis-diphenylphosphine in acetonitrile Ambient temperatureelectrolysis;

Pd(OAc)2(o-tolyl)3 in N,N-dimethyl-formamide 1.) room temperature, 30 min, 2.) 60-65 deg C, 6h;

1: 57 percent / triethylamine / CCl4 / 15 h / Ambient temperature 2: 63 percent / 2,12-dimethyl-3,7,11,17-tetraazabicyclo<11.3.1>heptadeca-1(17),2,11,13,15-pentaenenickel(II) perchlorate, Ph2PH / acetonitrile / Ambient temperature; electrolysis View Scheme