
Journal of Organometallic Chemistry p. C21 - C23 (1987)
Update date:2022-08-17
Topics:
Glidewell, Christopher
McKechne, James S.
At 500 deg C, flash vacuum pyrolysis of (η5-C5H5)2Fe2(CO)4 provides a rapid, practical synthesis of the tetranuclear complex (η5-C5H5)4Fe4(μ3-CO)4: at higher temperatures, ferrocene is formed.Ferrocene itself undergoes little change under flash vacuum pyrolysis conditions, even at 725 deg C.Pivaloylferrocene is unchanged at 650 deg C but cracks to yield isobutene between 675 and 700 deg C; this reaction does not proceed by simple elimination since formylferrocene can be recovered unchanged under flash vacuum pyrolysis conditions which give substantial quantities of isobutene from pivaloylferrocene.
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