C3H6-X-C3H8O-Y-C3H6O2-C4H8O2
1)С3Н6+Cl2-------->C3H7Cl+HCl; 2)C3H7Cl+H2O----->C3H8O+HCl; 3)C3H8O+CuO----->C3H6O+Cu+H2O; 4)C3H6O+Ag2O------>C3H6O2+2Ag; 5)C3H6O2+CH3OH------->C4H8O2+H2O