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HETEROATOM CONTAINING CYCLIC DIMERS

  • US 20150191444A1
  • Filed: 03/05/2015
  • Published: 07/09/2015
  • Est. Priority Date: 02/09/2012
  • Status: Active Grant
First Claim
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1. A process for preparing a compound comprising Formula (IX), the process comprising (a) contacting a compound comprising Formula (VI) with a compound comprising Formula (VII) or a compound comprising Formula (VIII) and an acid catalyst and (b) dehydrating the resulting reaction mixture to form the compound comprising Formula (IX), the compounds comprising Formula (IX), (VI), (VII), and (VIII):

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