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: [2-propenoic acid, 2-methyl-3-phenyl-, butyl ester and benzonitrile, 4-[(1e)-2-phenylethenyl]]