Rhodium(II)-catalyzed addition of 2-diazo(fluoroalkyl)acetoacetates to sulfides: a simple synthesis of stable sulfonium ylides
作者:Shizheng Zhu、Shifa Zhu、Yuanxi Liao
DOI:10.1016/j.jfluchem.2004.01.012
日期:2004.7
to the corresponding sulfonium ylides. While thianthrene gave trans-thianthrenium 5,10-di(fluoroalkylacetoethoxycarbonyl)methylides (7a and 7b) under the same reaction condition, the structure of 7btrans-thianthrenium 5,10-di(bromodifluoroacetoethoxy-carbonyl)methylides was fully confirmed by spectral methods and X-ray single crystal diffraction analysis. All the ylide products obtained are fairly stable