Method of halogenating hydroxyl group
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United States of America Patent
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Jun 11, 2002
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N/A
app pub date -
Sep 26, 2000
filing date -
Feb 17, 1998
priority date (Note) -
Expired
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Abstract
A halogenating agent of the formula (1) and a method of halogenating hydroxyl group ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are each ethyl, propyl, isopropyl, butyl, isobutyl or allyl; X is chlorine atom or bromine atom; and Y is chlorine ion, bromine ion, dichlorophosphate ion, dibromophosphate ion, chlorosulfonate ion, bromosulfonate ion, chlorooxalate ion or bromooxalate ion.
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