2,3-dicyano-5,6-dichloro-p-benzoquinone in 1,4-dioxane Heating;

1: 67 percent / 3-chloroperoxybenzoic acid / CH2Cl2 / 3 h / 20 °C 2: 59 percent / xylene / 48 h / 210 °C 3: 27 percent / DDQ / dioxane / Heating View Scheme

1: 59 percent / xylene / 48 h / 210 °C 2: 27 percent / DDQ / dioxane / Heating View Scheme

1: CHCl3 / 0.5 h / 45 °C 2: 1.86 g / NaOAc; acetic anhydride / 0.5 h / 100 °C 3: 67 percent / 3-chloroperoxybenzoic acid / CH2Cl2 / 3 h / 20 °C 4: 59 percent / xylene / 48 h / 210 °C 5: 27 percent / DDQ / dioxane / Heating View Scheme

1: aq. HCl / acetic acid / 5 h / Heating 2: 3.5 g / SOCl2 / benzene / 0.5 h / Heating 3: CHCl3 / 0.5 h / 45 °C 4: 1.86 g / NaOAc; acetic anhydride / 0.5 h / 100 °C 5: 67 percent / 3-chloroperoxybenzoic acid / CH2Cl2 / 3 h / 20 °C 6: 59 percent / xylene / 48 h / 210 °C 7: 27 percent / DDQ / dioxane / Heating View Scheme

1: 3.5 g / SOCl2 / benzene / 0.5 h / Heating 2: CHCl3 / 0.5 h / 45 °C 3: 1.86 g / NaOAc; acetic anhydride / 0.5 h / 100 °C 4: 67 percent / 3-chloroperoxybenzoic acid / CH2Cl2 / 3 h / 20 °C 5: 59 percent / xylene / 48 h / 210 °C 6: 27 percent / DDQ / dioxane / Heating View Scheme

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