Method for preparing p-hydroxystyrene

By replacing malonate with dimethylacetamide and optimizing the reaction parameters and catalyst combination, the problem of high reaction cost in the existing para-hydroxystyrene preparation methods is solved, and a high yield and low cost preparation effect is achieved.

CN119798048AActive Publication Date: 2025-04-11NINGBO MICROCHIP NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202510010272.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-04-11
Estimated Expiration
2045-01-03

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Abstract

The invention provides a method for preparing p-hydroxystyrene, which comprises the following steps: reacting a raw material p-hydroxybenzaldehyde with a raw material dimethylacetamide in an organic solvent in a reactor under the catalysis of a basic catalyst to generate p-hydroxystyrene, wherein the method does not include reacting p-hydroxybenzaldehyde with malonic acid to produce p-hydroxystyrene.
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Citation Information

Patent Citations

  • Method for preparing p-hydroxy-styrene

    CN100360486C

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