Strongly Chemiluminescent Acridinium Esters under Neutral Conditions: Synthesis, Properties, Determination, and Theoretical Study
作者:Manabu Nakazono、Yuji Oshikawa、Mizuho Nakamura、Hidehiro Kubota、Shinkoh Nanbu
DOI:10.1021/acs.joc.6b02748
日期:2017.3.3
mechanism was composed of the nucleophilic addition reaction of hydroperoxide anion, dioxetanone ring formation, and nonadiabatic transition due to spin–orbit coupling around the transition state (TS) to the triplet state (T1) following the decomposition pathway. The TS which appeared in the thermal decomposition would be a rate-determining step for all three processes.
合成了具有苯基和联苯基部分的各种新型a啶鎓酯衍生物,并研究了它们的最佳化学发光条件。发现了几种在中性条件下强烈化学发光的cri啶鎓酯,然后将这些衍生物用于检测过氧化氢和葡萄糖。具有强吸电子基团如氰基,甲氧羰基,和硝基在苯基部分的4-位上的苯基-10-甲基吖啶10λ酯4吖啶-9-羧酸盐三氟甲磺酸显示出强的化学发光强度。的化学发光强度3,4-二氰基苯基-10-甲基10λ 4吖啶-9-羧酸盐三氟甲磺酸较苯基-10-甲基10λ的强约100倍4在pH为7的过氧化氢和葡萄糖的线性校准范围吖啶-9-羧酸盐三氟甲磺酸使用0.05〜10 mM和10-2000μM3,4-(二甲氧基羰基)苯基-10-甲基10λ 4 -acridine- 9-羧酸盐三氟甲磺酸盐分别在pH 7和pH 7.5下。通过密度泛函理论的量子化学计算,评价了proposed啶鎓酯通过二氧杂环丁酮结构的化学发光反应机理。所提出的机理是由氢过氧