{(Pd{Fe(.eta.5-C5H5)(.eta.5-C5H3C(CH3)=NPh)}(.mu.-Cl))2}; caesium carbonate; benzyl chloride; triphenylphosphine in tetrahydrofuran T=70°C; 12 h; Inert atmosphere;

nitric acid T=27°C; Oxidation; esterification; 10 h;