Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Reactions of β-methylfuran and 2,4-dimethylfuran with ethyl diazoacetate in the presence of [Rh 2 (OAc) 4 ] catalyst, followed by iodine-induced isomerization, yielded furan ring-unravelled products. The results are compared with those of α-methylfurans.