The introduction of methoxy groups into the 3- and 5-positions of 4-methoxybenzoyl chloride leads to a reduction in specific rates of solvolysis. An extended Grunwald–Winstein equation correlation for the specific rates of solvolysis of 3,4,5-trimethoxybenzoyl chloride gives sensitivities towards changes in solvent nucleophilicity (/ value) of 0.29 and towards changes in solvent ionising power (m value)
将甲氧基引入 4-
甲氧基苯甲酰氯的 3-位和 5-位导致特定溶剂分解速率的降低。
3,4,5-三甲氧基苯甲酰氯的特定溶剂分解速率的扩展 Grunwald-Winstein 方程相关性给出了对 0.29 的溶剂亲核性(/ 值)变化和对 0.54 的溶剂电离能力(m 值)变化的敏感性。低 m 值允许在高度电离的
氟代醇-
H2O 混合物中确定特定的速率。
2,4,6-三氯苯甲酰氯的特定溶剂分解速率的平行相关性表明,在 100% 和 90%
乙醇或
甲醇中的溶剂分解明显不遵循其他溶剂中的溶剂分解指示的电离途径,因此建议:尽管有两个邻位取代基,