RuHCl(CO)(bis-(2-diphenylphosphinoethyl)amine); potassium tert-butylate; hydrogen in tetrahydrofuran; para-xylene T=140°C; P=38002.6 Torr; 1 h; Autoclave;

in N,N-dimethyl-formamide T=140°C; 16 h;

1: R-4-methyl-1,3-dioxolan-2-one With RuHCl(CO)(bis-(2-diphenylphosphinoethyl)amine); potassium tert-butylate; hydrogen in tetrahydrofuran T=140°C; P=38002.6 Torr; 1 h; Autoclave; 2: pyridinium p-toluenesulfonate in acetone T=20°C; 1 h; Autoclave;

sodium hydroxide in N,N-dimethyl-formamide T=140°C; 16 h;