S-甲基氯硫代甲酸甲酯的吡啶解反应显示了一个双相布朗斯台德型图,与逐步机理和限速步骤的变化相一致,从在高p K a的两性离子四面体中间体(T ±)形成到其分解在低p K a时。相同底物与脂环族仲胺的反应显示出斜率0.23的线性布朗斯台德图,这符合逐步机理,其中T ±的形成是确定整个p K a范围的速率决定步骤。
This invention is in the area of pyrimidine-based compounds for the treatment of disorders involving abnormal cellular proliferation, including but not limited to tumors and cancers.
This invention is in the area of pyrimidine-based compounds for the treatment of disorders involving abnormal cellular proliferation, including but not limited to tumors and cancers.