一种C5糖醇合成2,4-戊二烯-1-醇的方法
By esterifying and deoxygenating C5 sugar alcohols with orthoformate compounds under an acidic catalyst, combined with a microchannel reaction device, the problems of complex preparation and low yield of 2,4-pentadien-1-ol in the prior art have been solved, and a high-efficiency, green and low-cost synthesis has been achieved.
CN117776871BActive Publication Date: 2026-07-17NANJING TECH UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANJING TECH UNIV
- Filing Date
- 2023-12-26
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The existing methods for preparing 2,4-pentadien-1-ol are complex, have low yields, use highly toxic raw materials, and generate large amounts of waste liquid. Furthermore, existing biomass derivative methods are costly and inefficient.
Method used
2,4-pentadien-1-ol was synthesized efficiently by esterifying C5 sugar alcohols with orthoformate compounds under the action of an acidic catalyst, followed by deoxygenation and dehydration reactions, using a microchannel continuous flow reactor.
Benefits of technology
The synthesis of 2,4-pentadien-1-ol with high selectivity and efficiency was achieved, with a molar yield of 85%. The reaction is simple, the raw materials are green and renewable, and the cost is low.
✦ Generated by Eureka AI based on patent content.
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Abstract
本发明属于精细化学品合成领域，涉及一种C5糖醇合成2,4‑戊二烯‑1‑醇的方法。一种C5糖醇合成2,4‑戊二烯‑1‑醇的方法，C5糖醇与原甲酸酯类化合物在第一酸性催化剂的作用下发生酯化反应，再经过脱氧脱水反应，即得2,4‑戊二烯‑1‑醇。本申请提供了一种由生物质原料高效合成2,4‑戊二烯‑1‑醇的新方法，C5糖醇与原甲酸酯类化合物在酸性催化剂的作用下发生酯化反应，再经过脱氧脱水反应高选择性合成2,4‑戊二烯‑1‑醇，该反应方法简单，合成2,4‑戊二烯‑1‑醇的选择性高，反应效率高，2,4‑戊二烯‑1‑醇的摩尔收率可达85％左右。
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