作者:Chuanjun Song、Peng Zhao、Yan Liu、Hui Liu、Wenjia Li、Shuai Shi、Junbiao Chang
DOI:10.1016/j.tet.2010.05.055
日期:2010.7
A new method for the synthesis of 3-halo-6-(N-tosyl-2-pyrrolyl)pyridazine 7 was developed. Suzuki cross-coupling reactions of 7 with arylboronic acids and in situ de-tosylation gave a variety of novel 3-aryl-6-(2-pyrrolyl)pyridazines. It found that protection of the pyrrolyl moiety was necessary for efficient coupling reaction.
开发了一种合成3-卤代6-(N-甲苯磺酰基-2-吡咯基)哒嗪7的新方法。Suzuki 7与芳基硼酸的交叉偶联反应和原位去甲苯磺酰化反应产生了多种新型的3-芳基-6-(2-吡咯基)哒嗪。发现吡咯基部分的保护对于有效的偶联反应是必需的。