C3H6-X-C3H8O-Y-C3H602-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.