By the analysis of the competition experiment, the rate-limiting step and the kinetic isotope effect, the possi-ble reaction mechanism of VNS is described.

 
  • 分別從硝基芳環(huán)的結構、親核試劑的類(lèi)型和反應條件三方面討論了影響VNS定位效應的因素;
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan