“…36 The acetophenones 1a-k, 1-acetonaphthone 1l, 2,2,2-trifluoro-1-phenylethanone 4c, borane diethylaniline complex, borane dimethylsulfide complex, (R)-1-(naphthalen-1-yl)ethanol 5l, methyl methacrylate, ethyleneglycol dimethacrylate, 2,2 0 -azobis(2-methylbutyronitrile), polyvinyl alcohol and potassium iodide were purchased from Aldrich. 1-(4-Bromophenyl)-2,2,2-trifluoroethanone 4a was from Apollo, 2,2-difluoro-1-phenylethanone 3c from Alfa Aesar, whereas 2-fluoro-1-phenylethanone 2c was synthesised as described previously.…”