2-Oxopent-4-enoate derivative + 1-Methyl-2-oxo derivative > Pyruvate derivative + Acetaldehyde or Ketone + Acetate + RH
[#8-:5]-[#6:6](=[O:8])-[#6:7](=[O:9])-[#6:3]!@-[#6:1](-[*:10])=[#6:2]>>[#6:3]-[#6:7](=[O:9])-[#6:6](-[#8-:5])=[O:8].[#6:2]-[#6:1](-[*:10])=O
[#8-:5]-[#6:6](=[O:8])-[#6:7](=[O:9])-[#6:3]!@-[#6:1](-[*:10])=[#6:2]
None
[#6:3]-[#6:7](=[O:9])-[#6:6](-[#8-:5])=[O:8].[#6:2]-[#6:1](-[*:10])=O
None
