Synthetic method of ornamental blue
Through chemical condensation reaction and water washing purification of 5-hydroxy-3-iminopyridine-2,6-dione under alkaline conditions, the gap in chemical synthesis of guanlan is solved, and efficient and low-cost guanlan production is achieved, which is suitable for industrial applications.
CN120383558APending Publication Date: 2025-07-29VERTEXYN (NANJING) BIOWORKS CO LTD
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Patent Information
- Application Number
- CN202510452839.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2025-07-29
AI Technical Summary
Technical Problem
The prior art lacks chemical synthesis methods for blue-observing, and biosynthesis methods have problems such as high cost, long cycle and low efficiency.
Method used
5-hydroxy-3-iminopyridine-2,6-dione was used as raw material, and enol-type mutagenesis reaction was carried out under alkaline conditions under alkaline conditions, chemical condensation was carried out, and solid-liquid separation and water washing and purification were used as solvent to obtain high purity blue.
Benefits of technology
It achieves high yield (≥80%) and high purity (more than 99%) of Guanlan. It has a simple and safe process, suitable for industrial production, and reduces production costs and cycles.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the technical field of pigment synthesis, and particularly discloses a synthetic method of ornamental blue. According to the synthetic method, 5-hydroxy-3-iminopyridine-2, 6-diketone is adopted as a raw material, enol interconversion is performed on the raw material under the alkaline condition (under the action of an alkali catalyst), heating is performed, and chemical condensation reaction is performed to obtain the ornamental blue. The synthetic method of the ornamental blue provided by the invention is simple in process and high in reaction selectivity, the yield and purity of the product are high, the yield of the ornamental blue product is more than or equal to 80%, the purity of the ornamental blue product is more than 99%, the synthetic method has obvious advantages, no potential safety hazard exists in the process, and industrial production can be realized.
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