Reactions of beta-methylfuran and 2,4-dimethylfuran with ethyl diazoacetate
in the presence of [Rh-2(OAc)(4)] catalyst, followed by iodine-induced iso
merization, yielded furan ring-unravelled products. The results are compare
d with those of alpha-methylfurans. (C) 1999 Elsevier Science Ltd. All righ
ts reserved.