3-N-butyl-1-isoindolinone and use thereof for preventing or treating cerebral infarction
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United States of America Patent
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Sep 13, 2016
Grant Date -
Jul 2, 2015
app pub date -
Mar 16, 2015
filing date -
Sep 14, 2012
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Abstract
3-n-Butyl-1-isoindolinone and use thereof for preventing or treating cerebral infarction. The compound is prepared by: 1) employing phthalimide as a starting reactant, contacting a nucleophilic Grignard reagent with the original reactant to add an alkyl group to a carbonyl carbon of an amide bond of the original reactant, thus yielding an intermediate; and 2) removing an oxygen atom connected to a third carbon atom of the intermediate in the presence of boron trifluoride diethyl etherate as a catalyst and triethylsilane as a reductant.
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