The present invention relates to a process for preparing a ketosulfone derivative and, more particularly, to an improved method for synthesising 1-(6-methylpyridin-3-yl)-2-[(4-methylsulfonyl)-phenyl]-ethanone by means of Pd-catalysed alpha arylation process of a heteroaromatic ketone derivative.
                            本发明涉及一种制备酮磺酮衍
生物的方法,更具体地说,涉及一种通过Pd催化的异
芳香酮衍
生物的α芳基化过程合成1-(6-
甲基吡啶-3-基)-2-[(4-甲磺基)苯基]-乙酮的改进方法。