phenylphosphoric acid dichloride T=105 - 110°C; 4 h;

<b>Multi-step reaction with 2 steps<br /> </b>1.1: phenylphosphoric acid dichloride / 4 h / 105 - 110 &deg;C<br />2.1: sodium hydroxide / 1,4-dioxane / 1 h / 20 &deg;C<br />2.2: 2 h / |Reflux<br /> <br /> &nbsp;