acetic acid in 1,4-dioxane stirring overnight;

sodium hydroxide; formaldehyd in 1,4-dioxane; hydrogenchloride

1: 29.9 percent / bromine / acetic acid / 4 h / Ambient temperature; 10.6 mmol of 2-methylgramine, 15.8 mmol of bromine 2: 36percent hydrogen peroxide / acetic acid / 192 h / Ambient temperature View Scheme

1: 29.9 percent / bromine / acetic acid / 4 h / Ambient temperature; 10.6 mmol of 2-methylgramine, 15.8 mmol of bromine 2: 6.3 percent / bromine / acetic acid / 4 h / Ambient temperature 3: 36percent hydrogen peroxide/glacial acetic acid / 192 h / Ambient temperature View Scheme

1: toluene 2: sodium ethylate; diethyl ether; aqueous H2SO4 / anschliessend Hydrieren an Raney-Nickel in Aethanol bei 100grad/118 at 3: H2O View Scheme

1: 89 percent / sodium hydroxide / H2O / 0.83 h / Heating 2: 92 percent / sodium hydroxide (50percent) / 2 h / Heating View Scheme

tetrahydrofuran; acetic acid Erwaermen des Reaktionsprodukts mit wss. KCN;