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US-2019359564-A1 · Nov 28, 2019 · US
Conversion of 1,2,5,6-hexanetetrol (HTO) to tetrahydrofuran dicarboxylic acid (THFDCA)
US12024496B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12024496-B2 |
| Application number | US-201917046663-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 28, 2019 |
| Priority date | Apr 13, 2018 |
| Publication date | Jul 2, 2024 |
| Grant date | Jul 2, 2024 |
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Abstract
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Disclosed herein are methods for synthesizing useful intermediates and/or products from 1,2,5,6-hexanetetrol (HTO), which itself can be derived from a sugar. In an aspect, a process is provided for production of THFDCA from 1,2,5,6-hexanetetrol (HTO). The process comprises the steps of (a) ring closing to form a ring compound and (b) oxidizing using a catalyst comprising platinum and bismuth to form an acid mixture. Step (a) may be performed before or after step (b).
First claim
Opening claim text (preview).
The invention claimed is: 1. A process comprising: (a) oxidizing 1,2,5,6-hexanetetrol (HTO) while the HTO is in contact with a catalyst comprising Pt and Bi such that an acid mixture comprising 2,5-dihydroxyadipic acid and 2-hydroxyglutaric acid is formed, wherein more 2,5-dihydroxyadipic acid is formed than 2-hydroxyglutaric acid; and (b) contacting 2,5-dihydroxyadipic acid formed in step (a) with an acid other than 2,5-dihydroxyadipic acid for a time sufficient to form the ring compound, wherein the formed ring compound is tetrahydrofuran dicarboxylic acid (THFDCA).
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Classifications
Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen · CPC title
Bismuth · CPC title
Carbon · CPC title
- C07D307/18Primary
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms · CPC title
- C07D307/68Primary
Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen · CPC title
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- What does patent US12024496B2 cover?
- Disclosed herein are methods for synthesizing useful intermediates and/or products from 1,2,5,6-hexanetetrol (HTO), which itself can be derived from a sugar. In an aspect, a process is provided for production of THFDCA from 1,2,5,6-hexanetetrol (HTO). The process comprises the steps of (a) ring closing to form a ring compound and (b) oxidizing using a catalyst comprising platinum and bismuth to…
- Who is the assignee on this patent?
- Archer Daniels Midland Co
- What technology area does this patent fall under?
- Primary CPC classification C07D307/18. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 02 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).