Process for fluoro derivative-substituted aryl pnictogens and their oxides
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United States of America Patent
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Jul 8, 2008
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app pub date -
Dec 22, 2006
filing date -
Jun 27, 2005
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Abstract
A process to prepare substituted aryl pnictogen derivatives comprising contacting a fluoropolyether or fluoroalkyl primary bromide or iodide, with a pnictogen derivative such as triaryl phosphine, triaryl arsine, or triaryl stibine or triaryl phosphine oxide, triaryl arsine oxide or triaryl stibine oxide, to produce the corresponding fluoropolyether- or fluoroalkyl-substituted aryl phosphine oxide, aryl arsine oxide or aryl stibine oxide; and optionally, contacting the oxide product with a reducing agent to form the corresponding substituted aryl phosphine, arsine or stibine.
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