Ruthenium‐Catalyzed Pyridyl‐Directed C−H Allylation of Arenes with 1‐Aryl‐2‐vinylpyrrolidines

Abstract

The [Ru(p‐cymene)Cl₂]₂‐catalyzed reaction of 2‐arylpyridines with 1‐aryl‐2‐vinylpyrrolidines is carried out in CF₃CH₂OH at 40 °C in the presence of KOAc, affording ortho‐C−H allylation products of arenes in 29 % to 99 % yields and 1:0.7 to 1 : 5.4 Z/E ratio. The amino groups remain in the product molecules. The protocol suits for a wide scope of substrates and tolerates functional groups including alkyl, aryl, MeO, F, Cl, Br, OCF₃, and CF₃ groups.