A Scalable and Regioselective Synthesis of 2-Difluoromethyl Pyridines from Commodity Chemicals
作者:Jean-Nicolas Desrosiers、Christopher B. Kelly、Daniel R. Fandrick、Larry Nummy、Scot J. Campbell、Xudong Wei、Max Sarvestani、Heewon Lee、Alexander Sienkiewicz、Sanjit Sanyal、Xingzhong Zeng、Nelu Grinberg、Shengli Ma、Jinhua J. Song、Chris H. Senanayake
DOI:10.1021/ol500402e
日期:2014.3.21
novo synthesis of difluoromethyl pyridines from inexpensive materials is reported. The pyridyl subunit is built around the difluoromethyl group rather than a late stage introduction of this moiety. This user-friendly approach allows access to a diverse range of substitution patterns on all positions on the ringsystem and on the difluoromethyl group.