1: With potassium tert-butylate; silver(I) acetate; triphenylphosphine in tetrahydrofuran T=70°C; P=15201 Torr; 16 h; Inert atmosphereAutoclave; 2: With hydrogenchloride in tetrahydrofuran; water Inert atmosphere;
1: furan With n-butyllithium in tetrahydrofuran; hexane T=-30°C; 2: carbon dioxide in tetrahydrofuran; hexane P=975.098 Torr; 3: With hydrogenchloride in tetrahydrofuran; hexane; water T=0°C;
