过渡金属催化芳香偶氮化合物的合成研究进展

Progress in the Synthesis of Aromatic Azo Compounds via Transition Metal Catalysis

芳香偶氮化合物具有独特的结构和性质,在光电材料、有机染料及有机合成等领域有着广泛的应用。开发高效合成芳香偶氮化合物的方法成为有机合成化学的研究热点之一,受到化学家们的广泛关注。近些年来,化学家们在通过过渡金属催化合成芳香偶氮化合物研究方面取得了重要进展。从芳香肼、芳香胺及芳基硝化物这3类底物出发,根据不同的过渡金属催化剂进行分类,综述芳香偶氮化合物的合成研究进展及其反应机理,就该研究领域的局限性和未来的发展前景进行了总结和展望。

Aromatic azo compounds are widely used in the fields of light electric materials,organic dyes and organic synthesis etc due to its unique structures and properties.The efficient synthesis of aromatic azo compounds has become one of the highlights in organic synthesis and aroused extensive attention of chemists.In recent years,chemists have made significant progress in the study of the catalytic synthesis of aromatic azo compounds by transition metals.In this paper,starting from aryl hydrazides,anilines and nitroaromatics,we reviewed the progress in the synthesis of aromatic azo compounds and the reaction mechanisms according to different types of transition metal catalysts.The limitations of the research are summarized and the future development is prospected.