nickel 1.) 7000 bar, 24 h, 2.) ethyl acetate, reflux, 3 h; Yield given. Multistep reaction. Yields of byproduct given;

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

nickel 1.) 7000 bar, 24 h, 2.) ethyl acetate, reflux, 3 h; Yield given. Multistep reaction. Yields of byproduct given;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '605303', constants.ctx, '0')">acetyl chloride</a> <br />1&nbsp;h;&nbsp;&nbsp;Reflux;&nbsp;<br /> <br /> &nbsp;