hydrogen tetrachloroaurate(III); tert.-butylhydroperoxide in cyclohexane; 1,2-dichloro-ethane T=60°C; 24 h;

1.1: hydrogenchloride / 0 °C / Inert atmosphere 1.2: 0.5 h / 100 °C / Inert atmosphere 2.1: potassium hydrogencarbonate / acetone / 72 h / Reflux; Inert atmosphere 3.1: succinic acid disodium salt / 0.5 h / Microwave irradiation; Inert atmosphere; neat (no solvent) View Scheme

succinic acid disodium salt 0.5 h; Microwave irradiationInert atmosphereneat (no solvent);