Process for the production of substituted 10-chloro-phenoxaphosphines or 10-bromo-phenoxaphosphines
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United States of America Patent
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Jun 18, 2002
Grant Date -
Nov 29, 2001
app pub date -
Apr 30, 2001
filing date -
May 6, 2000
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Expired
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Abstract
An efficient process for the production of substituted 10-chloro-phenoxaphosphines or 10 bromo-phenoxaphosphines by reaction of substituted diphenyl ethers with phosphorus trihalogenide in the presence of at least one Lewis acid and subsequent treatment with an amine.
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