A method is provided for preparing a compound d having the formula: Formula (I). The method comprises carrying out the following reaction: Formula (i), (ii), (d) where: step (i) is carried out in the presence of a metal catalyst and a hydrogen source; and step (ii) is carried out at a temperature of at least 100 °C and in the presence of the same metal catalyst that was used in step (i) and an aprotic solvent system.
提供了一种制备具有
化学式Formula (I)的化合物d的方法。该方法包括进行以下反应:Formula (i),(ii),(d),其中:步骤(i)在
金属催化剂和氢源的存在下进行;步骤(ii)在至少100°C的温度下,在步骤(i)中使用的相同
金属催化剂和无质溶剂体系的存在下进行。