Photochemical deprotection of nitro-substituted benzenesulfenates via photoinduced electron transfer
作者:Kan Wakamatsu、Mitsuru Kouda、Kazuyoshi Shimaoka、Haruo Yamada
DOI:10.1016/j.tetlet.2004.07.007
日期:2004.8
The photochemical deprotection of alkyl 2,4-dinitrobenzenesulfenate or alkyl 2-nitrobenzenesulfenate was successfully achieved by addition of triethylamine, while it was unsuccessful without triethylamine. The sulfur–oxygen bond cleavage is thought to occur heterolytically in the sulfenate anion radical produced by photoinduced electron transfer with triethylamine.
通过添加三乙胺可成功实现2,4-二硝基苯磺酸烷基酯或2-硝基苯磺酸烷基酯的光化学脱保护,而没有三乙胺则无法成功。硫-氧键裂解被认为是杂散地发生在由三乙胺进行光诱导电子转移而产生的亚硫酸根阴离子自由基中。