sodium periodate; disodium hydrogenphosphate; sodium dihydrogenphosphate in tetrahydrofuran; water pH=7;

1.1: lithium diisopropylamide / tetrahydrofuran / 2 h / 0 °C 1.2: 85 percent / tetrahydrofuran / -78 - 20 °C 2.1: 34 percent / sodium periodate; Na2HPO4; NaH2PO4 / tetrahydrofuran; H2O / pH 7 View Scheme

1.1: 23.36 g / 0.5 h / 0 °C 2.1: lithium diisopropylamide / tetrahydrofuran / 2 h / 0 °C 2.2: 85 percent / tetrahydrofuran / -78 - 20 °C 3.1: 34 percent / sodium periodate; Na2HPO4; NaH2PO4 / tetrahydrofuran; H2O / pH 7 View Scheme