Pyrrole Acylation for the Synthesis of 2-Bromo-6-(2-pyrrolyl)pyridine and Subsequent Cross-Coupling Reactions
作者:Chuanjun Song、Junbiao Chang、Yan Liu、Peng Zhao、Xuelian Sun、Wenjia Li、Hui Liu
DOI:10.1055/s-0030-1258971
日期:2011.1
A facile synthesis of 2-bromo-6-pyrrolylpyridine 4 was developed starting from acylation of pyrrole with glutaric acid and TFAA. Suzuki cross-couplings of 4 with arylboronic acids gave a variety of novel 2-aryl-6-pyrrolylpyridines in excellent yields. pyrrole acylation - 2-bromo-6-pyrrolylpyridine - 2-aryl-6-pyrrolylpyridines - Suzuki cross-coupling - detosylation
从吡咯与戊二酸和TFAA的酰化反应开始,可以轻松合成2-溴-6-吡咯基吡啶4。Suzuki 4与芳基硼酸的交叉偶联以优异的收率得到了多种新型的2-芳基-6-吡咯基吡啶。 吡咯酰化-2-溴-6-吡咯基吡啶-2-芳基-6-吡咯基吡啶-铃木交叉偶联-解毒