Synthesis of Aliphatic Sulfur Pentafluorides by Oxidation of SF<sub>5</sub>-Containing Anisole, Phenols, and Anilines
作者:Norbert Vida、Tereza Pastýříková、Blanka Klepetářová、Petr Beier
DOI:10.1021/jo501562z
日期:2014.9.19
2-amino-4-(pentafluorosulfanyl)phenol, and 2-amino-5-(pentafluorosulfanyl)phenol undergo oxidation by lead tetraacetate at ambient temperature leading to dearomatization and the formation of SF5-substituted nitriles and esters of cis,cis-hexa-2,4-dienedioic (muconic) acid in good yields. 4-(Pentafluorosulfanyl)phenol and 4-(pentafluorosulfanyl)anisole are oxidized by 30% aqueous hydrogen peroxide in concentrated
4-(五氟硫烷基)邻苯二酚,2-氨基-4-(五氟硫烷基)苯酚和2-氨基-5-(五氟硫烷基)苯酚在环境温度下通过四乙酸铅氧化,导致脱芳香化并形成SF 5取代的腈和酯顺,顺以良好产率-六-2,4- dienedioic(粘康酸)。用浓硫酸中的30%过氧化氢水溶液将4-(五氟硫烷基)苯酚和4-(五氟硫烷基)苯甲醚氧化,得到2-(5-氧代-3-(五氟硫烷基)-2,5-二氢呋喃-2-基)乙酸[3-(五氟硫烷基)粘康内酯]和少量副产物-含SF 5的马来酸和琥珀酸。提出的方法是脂族SF 5实际合成的第一个实例易得的芳族化合物中的含氟化合物。