1,8-diazabicyclo[5.4.0]undec-7-ene in dichloromethane 0.0833333 h; Inert atmosphereCooling with ice;

1: With pyrrolidine in methanol T=20°C; 0.5 h; Inert atmosphere; 2: With sodium periodate Inert atmosphere; 3: With 1,8-diazabicyclo[5.4.0]undec-7-ene in dichloromethane Inert atmosphere;

1: pyrrolidine / methanol; water / 0 °C / |Inert atmosphere 2: sodium periodate / methanol; water / 4 h / 0 °C / |Inert atmosphere 3: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 0.08 h / |Inert atmosphere; |Cooling with ice View Scheme

T=500°C; P=1 Torr; 3 h; Further byproducts given. Title compound not separated from byproducts;