In entry 6, the relative excess of aldehyde 4 was mimicked by adding 0.2 mol equiv of water to the reaction mixture prior to the condensation reaction to artificially reduce the molar abundance of 5 .

• 在进入六、四的相对过剩醛为加入0.；2克分子同等学历模拟水的混合物反应缩合反应之前人为减少摩尔丰5