substituted monohydric phenols, containing electron-withdrawing substituents at the ortho position to the phenolic group, with [hydroxy(tosyloxy)iodo]benzene (HTIB, Koser’s reagent) leads to novel tosyloxylation of aromatic ring, thereby offering a convenient synthesis of hitherto unknown 4-tosyloxy-2-substituted phenols.
一些取代的一元
酚在
酚基邻位含有吸电子取代基,被[羟基(
甲苯磺酰氧基)
碘]苯(HTIB,Koser试剂)氧化,导致芳香环的新
甲苯磺酰化,从而提供了方便的合成方法迄今未知的4-
甲苯磺酰氧基-2-取代的
酚。