ammonium hydroxide

1: 1.) NaH / 1.) DMF, hexane, RT, 1 h, 2.) DMF, hexane, RT, 2 h 2: 82 percent / CuSO4*5H2O / methanol; H2O / 10 h 3: 80 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / benzene / 30 h / Heating View Scheme

1: 1.) NaH / 1.) DMF, hexane, RT, 1 h, 2.) DMF, hexane, RT, 2 h 2: 84 percent / CuSO4*5H2O / methanol; H2O / 10 h 3: 80 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / benzene / 30 h / Heating View Scheme

1: 1.) NaH / 1.) DMF, hexane, RT, 1 h, 2.) DMF, hexane, RT, 2 h 2: 80 percent / CuSO4*5H2O / methanol; H2O / 10 h 3: 80 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / benzene / 36 h / Heating View Scheme