186581-53-3
重氮甲烷
+
111538-07-9
2-(3,3-dimethyl-5-oxocyclopent-1-en-1-yl)acetic acid
→
~47%
111538-05-7
methyl 2-(3,3-dimethyl-5-oxocyclopenten-1-yl)acetate
111538-06-8
2-(3,3-dimethyl-5-oxocyclopent-1-en-1-yl)acetaldehyde