nickel in ethylene glycol dimethyl ether T=85°C; 0.25 h;

nickel in ethylene glycol dimethyl ether T=85°C; 0.75 h;

in various solvent(s) T=0 - 50°C;

1: With sodium hydroxide; tetra-(n-butyl)ammonium iodide in dichloromethane 4 h; 2: With hydrogenchloride in dichloromethane 0.5 h; Further stages.;

1: 4-methoxycarbonylbenzyl bromide With tetra(n-butyl)ammonium hydrogensulfate; Ca(OH)2 in dichloromethane; water 0.25 h; Inert atmosphere; 2: pentacarbonyliron(0) in dichloromethane; water Inert atmosphere;