activity decreased fairly quickly while very little photolysis was observed. This photo-racemization was ascribed to the reversible formation of sulfinyl radical and menthyloxy radical. When di-n-butyl sulfite was photolyzed, the products found were explained by assuming the initial formation of n-butoxysulfinyl radical and n-butoxy radical. When n-butyl chlorosulfite was photolyzed, the products found indicate
甲基、乙基、正丁基、
正辛基、苄基和烯丙基
对甲苯亚磺酸盐在
正己烷中或无溶剂中进行光解。产物分析表明,这些酯的光解涉及 ArSO-OR 键的裂变,产生亚磺酰基和烷氧基。在烯
丙酯的情况下,在一定程度上发生异构化为相应的砜。当光学活性的 l-薄荷酯 lp 甲
苯亚磺酸酯被照射时,其光学活性下降得相当快,同时观察到很少的光解。这种光外消旋作用归因于亚磺酰基和薄荷氧基自由基的可逆形成。当二正丁基
亚硫酸盐被光解时,通过假设最初形成正丁氧基亚磺酰基自由基和正丁氧基自由基来解释所发现的产物。当
氯亚硫酸正丁酯光解时,