Processes employing cyclodextrin derivative quaternary salts
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United States of America Patent
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Jul 21, 2015
Grant Date -
Feb 13, 2014
app pub date -
Jun 28, 2013
filing date -
Jun 4, 2009
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Abstract
Chiral salts comprising anionic cyclodextrin derivatives with particular types of non-metal cations are provided. The anionic CD derivative salts can serve as ionic liquids and can possess substantial advantages over currently commercially available ionic liquids particularly for use as chiral phase transfer catalyst, chiral reaction medium, chiral extraction medium, and/or as chiral additive to a chemical process. Methods of preparing the same are provided.
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