Suggested Reaction 2.1.2.-
Left
2-Hydroxy-3-carboxy-6-oxo-7-methylocta-2,4-dienoate
+
THF
Right
2-Hydroxy-6-oxo-7-methylocta-2,4-dienoate
+
10-Formyl-THF
[
BiSSCat
|
GREP
]