Process for the synthesis of monohaloalkylferrocenes and 4-chlorobutylferrocene
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United States of America Patent
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May 25, 1993
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N/A
app pub date -
Sep 27, 1991
filing date -
Sep 27, 1990
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Expired
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Abstract
The present invention relates to a process for the synthesis of a monohaloalkylferrocene by reaction of hydrogen with a monohaloalkanoylferrocene in the presence of PtO.sub.2 and SnCl.sub.2 as catalyst in an acetic acid medium. In this manner, a crude, particularly pure synthetic product is obtained in a high yield, simply and inexpensively. The monohaloalkylferrocenes are especially useful as surfactants or as intermediates for the synthesis of combustion catalysts for propergols. The present invention also relates to a novel monohaloalkylferrocene, namely 4-chlorobutylferrocene.
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