METHOD FOR PRODUCING (1S,4S,5S)-4-BROMO-6-OXABICYCLO[3.2.1]OCTAN-7-ONE
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United States of America Patent
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Issued Date -
Dec 10, 2015
app pub date -
Mar 28, 2014
filing date -
Mar 29, 2013
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Abstract
It is an object of the present invention to provide a method for efficiently producing (1S,4S,5S)-4-bromo-6-oxabicyclo[3.2.1]octan-7-one (1), which is important as an intermediate compound for the production of an FXa-inhibiting compound. A method for producing (1S,4S,5S)-4-bromo-6-oxabicyclo[3.2.1]octan-7-one (1), which comprises treating an (R)-α-phenylethylamine salt of (S)-3-cyclohexene-1-carboxylic acid with 1,3-dibromo-5,5-dimethylhydantoin or N-bromosuccinimide in a solvent.
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