1) С6Н4 + О2 --кат, t--> C6H13OH 2) C6H13OH + CuO --> C5H11CHO + Cu + H2O 3) C5H11CHO + Ag2O --> C5H11COOH + Ag 4) C5H11COOH + CH3OH --> C5H11COOCH3 + H2O 5) C5H11COOCH3 + NaOH --> C5H11COONa + CH3OH