b. mCPBA привет нян H до OH MgBr Mg НО Ф Br PCC TSOH ОН MgBr OH я PBr3 PBr 3 ОН НО ОН Br TSOH PCC PCC OH Mg 1. BH3 2. NaOH, H2O ОН H MgBr MgBr TsOH

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