Production of adipic acid and derivatives from carbohydrate-containing materials
First Claim
1. A process for preparing adipic acid comprising reacting a tetrahydrofuranic substrate comprising tetrahydrofuran-2,5-dicarboxylic acid with hydrogen, in the presence of a hydrodeoxygenation catalyst, a solvent and a source of halogen, to convert at least a portion of the tetrahydrofuran-2,5-dicarboxylic acid to adipic acid.
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Abstract
The present invention generally relates to processes for the chemocatalytic conversion of a carbohydrate source to an adipic acid product. The present invention includes processes for the conversion of a carbohydrate source to an adipic acid product via a furanic substrate, such as 2,5-furandicarboxylic acid or derivatives thereof. The present invention also includes processes for producing an adipic acid product comprising the catalytic hydrogenation of a furanic substrate to produce a tetrahydrofuranic substrate and the catalytic hydrodeoxygenation of at least a portion of the tetrahydrofuranic substrate to an adipic acid product. The present invention also includes products produced from adipic acid product and processes for the production thereof from such adipic acid product.
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29 Claims
- 1. A process for preparing adipic acid comprising reacting a tetrahydrofuranic substrate comprising tetrahydrofuran-2,5-dicarboxylic acid with hydrogen, in the presence of a hydrodeoxygenation catalyst, a solvent and a source of halogen, to convert at least a portion of the tetrahydrofuran-2,5-dicarboxylic acid to adipic acid.
Specification