Synfacts, Table of Contents Synfacts 2021; 17(06): 0625DOI: 10.1055/s-0040-1720652 Synthesis of Heterocycles Generation and Regioselective 3,4-Difunctionalization of Pyridynes(Pfizer) Contributor(s): Paul Richardson , Matthew DowlingRecommend Article Abstract Buy ArticleKey words Key wordspyridynes - pyridines - Grignard reagents - lithiation Full Text