Department of Chemistry

Publications [#233977] of Michael J. Therien

Papers Published

1. Miller, GA; Therien, MJ; Trogler, WC, "Electrochemical studies of an oxidatively induced ring slippage in 17-electron (η3-indenyl)(η5-indenyl)V(CO)2", Journal of Organometallic ChemistryFebruary,, 1990, 383(1-3), 271-278, Elsevier BV [doi].
   (last updated on 2026/01/20)

   Abstract:
   Oxidation of (η⁵-arene)2V (arene = indenyl, C5H5, C5Me5) with [(C5H5)2Fe][PF6] under a carbon monoxide atmosphere provides a convenient route to [(η⁵-arene)2V(CO)2]⁺ complexes. The cyclic voltammogram of the indenyl compound shows two reversible one-electron reduction waves. Reduction of 18-electron [(η⁵-indenyl)2V(CO)2][PF6 ] leads directly to the 17-electron (η³-indenyl)(η⁵-indenyl)V-(CO)2 . A lower limit for the η³-to-η⁵ ring slip rate constant is estimated to be 10/sec at -32°C. Reductions of the cationic C5H5 and C5Me5 analogues were irreversible and showed no evidence for ring slipped intermediates. © 1990.