2-(triphenylphosphoranylidene)acetonitrile in toluene T=100°C; Mitsunobu reaction; 12 h;

tetrabutylammomium bromide; potassium hydroxide in tetrahydrofuran; water 20 h; Inert atmosphereReflux;

1: [{(η5-C5Me5)RhCl}2(μ-Cl)2]; silver hexafluoroantimonate; copper diacetate / 1,2-dichloro-ethane / 24 h / 110 °C / 760.05 Torr / |Inert atmosphere; |Glovebox; |Molecular sieve; |Green chemistry 2: potassium hydroxide; tetrabutylammomium bromide / tetrahydrofuran; water / 20 h / |Inert atmosphere; |Reflux View Scheme

in dichloromethane 12 h;