Dienyl complexes of transition metals. Part III. The addition of hydride to methoxy-substituted arenecyclopentadienyliron cations

Abstract

The addition of hydride to a series of (methoxyarene) cyclopentadienyliron cations has been shown to occur exclusively at the arene ring, to give the corresponding (methoxycyclohexadienyl)cyclopentadienyliron complexes. With respect to the methoxy-substituent, site reactivity decreases in the order meta > para > ortho. Partial demethoxylation occurred during these reactions.