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 the furan-methoxy chromium carbene complexes with alkynes in DMF at 120°C provided cyclopentafurans, which served as useful precursors for cyclopentanones and other ring systems. ... Reactions of the furan methoxy chromium carbene complexes with ...