2-halopyridine-6-sulfonic acid and its salt
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United States of America Patent
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Nov 27, 1990
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N/A
app pub date -
Apr 6, 1990
filing date -
Apr 18, 1989
priority date (Note) -
Expired
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Abstract
A 2-halopyridine-6-sulfonic acid and its salt represented by the formula: ##STR1## wherein X is a halogen atom, and M is a hydrogen atom or a metal atom. The compounds are useful as intermediates for producing fluorinating agents (reagents for introducing fluorine atoms).
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