Mono carbonylation of benzene diols
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United States of America Patent
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Aug 23, 2005
Grant Date -
Dec 23, 2004
app pub date -
Oct 14, 2002
filing date -
Oct 17, 2001
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Abstract
A process for a mono carbonylation of a benzenediol of the formula (I) is characterized in that a benzene diol of the formula (II) is reacted with an acid anhydride or carbonyl halide of the formula (III) without any organic or inorganic bases for thereby producing a monocarbonylated benzenediol of the formula (I): ##STR1##
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