Ruthenium-catalyzed arylation of fluorinated aromatic ketones via ortho-selective carbon–fluorine bond cleavage
作者:Keisuke Kawamoto、Takuya Kochi、Mitsuo Sato、Eiichiro Mizushima、Fumitoshi Kakiuchi
DOI:10.1016/j.tetlet.2011.09.005
日期:2011.11
We report here ruthenium-catalyzed arylation of fluorinated aromatic ketones via ortho-selective carbon–fluorine bond cleavage. In the presence of trimethylvinylsilane and cesium fluoride, ortho carbon–fluoride bonds of aromatic ketones were phenylated by 5,5-dimethyl-2-phenyl-1,3,2-dioxaborinane using RuH2(CO)(PPh3)3 as a catalyst. Tandem C–F phenylation/C–H alkylation was observed for substrates
我们在这里报告了钌通过邻位选择性碳-氟键裂解引起的氟化芳族酮的芳基化反应。在三甲基乙烯基硅烷和氟化铯的存在下,使用RuH 2(CO)(PPh 3)3作为基团,通过5,5-二甲基-2-苯基-1,3,2-二氧杂硼烷将芳族酮的邻碳-氟键苯基化催化剂。对于同时带有一个邻氢和一个邻氟原子的底物,观察到串联的C-F苯基化/ C-H烷基化。