反应条件
1: 2,3-dibromo-5-chloro-pyridine With isopropylmagnesium chloride lithium chloride complex in tetrahydrofuran T=-40°C; 1 h; 2: N,N-dimethyl-formamide in tetrahydrofuran T=-40 - 20°C; 0.5 h;
参考文献
MERCK SHARP and DOHME CORP.; CHEN, Frank; MOLINARO, Carmela; WUELFING, W. Peter; YASUDA, Nobuyoshi; YIN, Jianguo; ZHONG, Yong-Li; LYNCH, Joseph; ANDREANI, Teresa
Patent: WO2013/169348 A1, 2013 ;
Location in patent: Page/Page column 76 ;