formic acid; [{(η5-C5Me5)RhCl}2(μ-Cl)2]; triethylamine in dichloromethane T=40°C; 2.5 h; Inert atmosphere;

sodium tetrahydroborate; zinc(II) oxide T=25°C; 0.0833333 h; neat (no solvent);

1: malononitrile With sodium hydride in tetrahydrofuran; N,N-dimethyl-formamide T=20°C; 2 h; 2: o-ClC6H4CH2Hal in tetrahydrofuran; N,N-dimethyl-formamide T=20°C;