Heck Reactions of Aryl Chlorides Catalyzed by Palladium/Tri‐tert‐butylphosphine: (E)‐2‐Methyl‐3‐Phenylacrylic Acid Butyl Ester and (E)‐4‐(2‐Phenylethenyl)benzonitrile

(E)-2-Methyl-3-phenacrylic acid butyl ester Bis(tri-tert-butylphosphine)palladium (E)-4-(2-Phenylethenyl)benzonitrile Tris(dibenzylideneacetone)palladium Keywords: Heck reaction; aryl chlorides; tri-butylphosphine; waste disposal; coupling reactions; elevated temperatures; room temperature; catalytic cycle