Synthesis of (η6-arene)(η5-cyclopentadienyl) iron (II) complexes with heteroatom and carbonyl substituents. Part I: Oxygen and carbonyl substituents
作者:R.M.G. Roberts
DOI:10.1016/j.jorganchem.2005.12.070
日期:2006.6
used to introduce oxygen substituents into (η-arene)(η-cyclopentadienyl) iron (II) complexes. Photochemical ligand exchange led to the formation of the first recorded trioxygenated complex as well as mono- and di-oxygenated species. Using microwave techniques, reaction times for SNAr displacement reactions of halobenzene complexes by phenols were reduced from several hours to a few minutes. Phenols protected
已使用一系列反应将氧取代基引入(η-芳烃)(η-环戊二烯基)铁(II)络合物中。光化学配体交换导致形成第一个记录的三加氧配合物以及单加氧和双加氧物质。使用微波技术,通过苯酚进行卤代苯配合物的S N Ar置换反应的反应时间从数小时减少至数分钟。苯酚受任一t保护使用常规的热配体交换反应,发现-丁基化或三甲基甲硅烷基化产生适量的相应酚配合物。没有这种保护,收率极低。上述方法导致二羟基苯配合物的第一实例的合成。还报告了一些其他合成方法。