пропанол1->Х->пропанол2(+CuO)->X1(+H2)->X2(р.этерефикации)->X3

1.CH3-CH2-CH2OH (H2SO4),t -> CH3-CH=CH2+H2O2.CH3-CH=CH2+HOH->CH3-CHOH-CH33.CH3-CHOH-CH3+CuO (t) -> CH3-CO-CH3+Cu +H2O4.CH3-CO-CH3+H2 -> CH3-CHOH-CH35.CH3-CHOH + CH3-COOH H+) -> CH3-CH-O-CO-CH3+H2O           I                                                I         CH3                                          CH3