The absence of valence tautomerism in trans, trans-1,4-bis(dicarbonyl-π-cyclopentadienyliron)buta-1,3-diene
Abstract
The 100 and 251 MHz proton n.m.r. spectra of trans, trans-1,4-bis(dicarbonyl-π-cyclopentadienyliron)buta-1,3-diene show no evidence for valence tautomerism.