One-pot three-component synthesis, structure and redox properties of ferrocenyl isoxazoles
摘要:
A consecutive coupling-cycloaddition sequence of acid chlorides, terminal alkynes, and in situ generated nitrile oxides furnishes ferrocenyl substituted redox active isoxazoles in moderate to good yields. The structure was unambiguously assigned by X-ray structure analyses and the electronic structure was elucidated by computational methods. Redox potentials of all representatives are strongly effected by the electronic nature of the bridging isoxazoloyl moiety. (C) 2008 Elsevier B. V. All rights reserved.