作者:Cornelia Spoerlein-Guettler、Wolfgang Milius、Johannes Obenauf、Rainer Schobert
DOI:10.1016/j.tetlet.2016.02.093
日期:2016.4
We report an expeditious, iodine-catalysed oxidation of 2,3-dihydrowogonin to negletein which comprises a Wessely–Moser rearrangement (WMR), associated not with an O-demethylation, as usual, but with an oxygen to oxygen methyl shift. In contrast, DDQ in 1,4-dioxane oxidised 2,3-dihydrowogonin to wogonin without rearrangements.
我们报道了碘的快速催化氧化作用,将2,3-二氢牛精蛋白氧化为神经节蛋白,该蛋白包括Wessely-Moser重排(WMR),与通常的O-去甲基化无关,而是氧到氧的甲基转移。相反,在1,4-二恶烷中的DDQ将2,3-二氢沃戈宁氧化成沃戈宁而没有重排。