bt0231-1871.1

2-Hydroxy-2,4-diene derivative > 2-Oxo-3-ene derivative

[H][#8:1]\[#6:2]=[#6:3]\[#6:4]=[#6:5]>>[#6:5]\[#6:4]=[#6:3]/[#6:2]=[O:1]

[H][#8:1]\[#6:2]=[#6:3]\[#6:4]=[#6:5]

None

[#6:5]\[#6:4]=[#6:3]/[#6:2]=[O:1]

None