CH3-C=O-H -> C2H5OCH3CHO + H2 -> C2H5OH
C2H5OH -> C2HC2H5OH -> C2H4 + H2C2H5OH -> C2H4 + H2
C2H4 -> C2HC2H4 -> C2H2 + H2
C2H2 -> CH3-C=O-CH3C#CH + H2O -> CH3-C=O-H
CH3-C=O-H -> C2H5O
CH3CHO + H2 -> C2H5OH
C2H5OH -> C2H
C2H5OH -> C2H4 + H2
C2H5OH -> C2H4 + H2
C2H4 -> C2H
C2H4 -> C2H2 + H2
C2H2 -> CH3-C=O-
CH3C#CH + H2O -> CH3-C=O-H