A process for the preparation of methyl anisole
The synthesis of methyl anisole via a one-step catalytic reaction of phenol and methanol using Ho/β molecular sieve and Ti/UiO-66 catalyst solves the problem of high cresol price and achieves efficient and low-cost synthesis of methyl anisole. The catalyst exhibits good stability and is suitable for industrial production.
CN119822930BActive Publication Date: 2026-07-10WANHUA CHEM GRP CO LTD
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Patent Information
- Application Number
- CN202510003839.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2026-07-10
- Estimated Expiration
- 2045-01-02
AI Technical Summary
Technical Problem
In existing methods for synthesizing methyl anisole, cresol is expensive, leading to high costs, and the reaction steps are complex, making it difficult to achieve efficient and low-cost industrial production.
Method used
The reaction of phenol and methanol to produce methyl anisole is carried out in a single step using a composite catalyst Ho/β molecular sieve and a Ti/UiO-66 catalyst. This continuous fixed-bed process simplifies the reaction steps and reduces costs.
Benefits of technology
The efficient synthesis of methyl anisole was achieved with a selectivity of over 76%, and the catalyst could operate stably for 3000 hours, reducing production costs and improving reaction efficiency.
✦ Generated by Eureka AI based on patent content.
Abstract
The present application relates to a kind of phenol and methanol directly prepared (methyl) anisole mode, the method includes the following steps: under the action of composite catalyst, phenol and methanol are catalytically generated methyl anisole, the composite catalyst is Ho / β molecular sieve catalyst and Ti / UiO-66 with mass ratio Ho / β:Ti / UiO-66 0.3-0.6:1 Mixed composite catalyst.The process reaction step is simple, and synthesis is realized in one step, and the total selectivity of methyl anisole is as high as 76% or more, and can be continuously and stably operated for 3000h.
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