Process for the preparation of L-IDITOL and recycling of the catalyst
DE602022017328T2Active Publication Date: 2025-07-09BASF SE
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Patent Information
- Application Number
- DE602022017328
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-05-19
- Filing Date
- 2022-05-10
- Publication Date
- 2025-07-09
- Estimated Expiration
- 2042-05-10
AI Technical Summary
Technical Problem
Existing methods for producing L-Iditol from L-Sorbose suffer from low selectivity and inefficiency, with challenges in catalyst recycling and reactivation, leading to high costs and environmental impact due to waste generation.
Method used
A process involving hydrogenation of L-Sorbose using a hydrophobic stereoselective ruthenium catalyst complex with chiral ligands, followed by separation and reactivation with a chloride source, allows for the efficient production of L-Iditol and recycling of the catalyst.
Benefits of technology
This process achieves high selectivity and yield of L-Iditol, reduces waste, and enables cost-effective industrial production by maintaining catalyst activity and selectivity through recycling.
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