It has been found that the cross-coupling reaction of salicylaldehydes with aryl iodides smoothly proceeds by using a catalyst system of PdCl2/LiCl in the presence of Na2CO3 as base to give the corresponding 2-aroylphenols in good yields, which appears to involve cleavage of the aldehyde C–H bond.
研究发现,使用PdCl2/LiCl催化剂体系和Na2CO3作为碱,
水杨醛与芳基
碘化物的交叉偶联反应能顺利进行,得到相应的2-芳酰基
苯酚,产率良好,这一反应似乎涉及到醛的C–H键的断裂。