Method for preparing substituted N-(3-amino-quinoxalin-2-yl)-sulfonamides and their intermediates N-(3-chloro-quinoxalin-2-yl)-sulfonamides
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United States of America Patent
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Issued Date -
Aug 15, 2013
app pub date -
Oct 18, 2011
filing date -
Oct 20, 2010
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Abandoned
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Abstract
The present invention provides a new synthesis for preparing N-(3-amino-quinoxalin-2-yl)-sulfonamides of general formulae (I) or (I′) and intermediates sulfonamides of formula (II) or (II′):
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