Reactions of the free toluene-p-sulphonyl radical. Part I. Diagnostic reactions of free radicals
作者:C. M. M. da Silva Corrêa、William A. Waters
DOI:10.1039/j39680001874
日期:——
The free p·CH3·C6H4·SO2 radical is easily produced by the thermolysis or photolysis of p·Me·C6H4·SO2·l; copper powder assists the removal of iodine and so do radicals R2C(CN)·. Evidence is presented to show that p·Me·C6H4·SO2·l adds homolytically to olefins and that free p·Me·C6H4·SO2· radicals tend to disproportionate according to the equation: 6 Me·C6H4·SO2·→ 2(Me·C6H4·SO2)2O + Me·C6H4·S·SO2·C6H4·Me
p ·Me·C 6 H 4 ·SO 2 ·l的热解或光解容易产生游离的p ·CH 3 ·C 6 H 4 ·SO 2自由基;铜粉有助于去除碘,自由基R 2 C(CN)·也是如此。证据表明,p ·Me·C 6 H 4 ·SO 2 ·l向烯烃均溶,并且游离的p ·Me·C 6 H 4 ·SO 2 ·自由基根据以下方程式趋于歧化:6 Me· C 6H 4 ·SO 2 · → 2(Me·C 6 H 4 ·SO 2)2 O + Me·C 6 H 4 ·S·SO 2 ·C 6 H 4 ·Me p ·Me·C 6 H 4 ·SO 2 ·自由基添加醌给予ditoluene-的氧原子p quinols的-磺酸盐酯。芳基亚磺酰基基团似乎不具有类似的反应性。它们仅二聚为硫代磺酸酯Ar·S·SO 2 ·Ar。