1: KH / tetrahydrofuran / 1.) 3h, 2.) 15h, RT; 24h, reflux 2: 48.1 percent / Pd/C, TsOH / methanol; H2O / 24 h / Heating View Scheme

potassium hydride in tetrahydrofuran 1.) 3h, 2.) 15h, RT; 24h, reflux;