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Synthesis of alkyl tribenzanoate

  • US 10,640,446 B2
  • Filed: 05/23/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 05/25/2016
  • Status: Active Grant
First Claim
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1. A method of making alkyl tribenzanoates comprising:

  • combining a phenyl tricarboxylic acid or chemical equivalent thereof with greater than or equal to 3.5 molar equivalents of a C4-C18 alkyl alcohol, based on the amount of phenyl tricarboxylic acid or chemical equivalent thereof, in the presence of 0.05 to 0.20 mol % of a titanium tetra-alkoxide catalyst, based on the total moles of phenyl tricarboxylic acid or chemical equivalent, at a temperature greater than 210°

    C. to form a reaction mixture having an acid value less than or equal to 0.5 as determined according to ASTM D1045.

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