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Preparation method for Yunnancoronarin A

A technology of Dianjiang flower element and Dianjiang flower, applied in the field of natural medicinal chemistry, can solve the problems of serious environmental pollution, complicated purification process, large product loss, etc., and achieves the effects of high extraction efficiency, no solvent pollution, and large preparation amount.

Inactive Publication Date: 2012-12-19
NANJING ZELANG MEDICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such methods have low extraction efficiency, cumbersome purification process, large product loss, and serious environmental pollution.

Method used

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Embodiment 1

[0014] Example 2:

Embodiment 2

[0016] Example 3:

Embodiment 3

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Abstract

The invention discloses a preparation method for Yunnancoronarin A. The method comprises the following steps of using Hedychium yunnanense as raw material; drying and crushing Hedychium yunnanense, passing the crushed Hedychium yunnanense through a 20-80 meshes sieve; putting the powder into an extracting kettle; setting the extraction temperature as 35-50 DEG C and the pressure of 15-30 MPa; adding liquid CO2 to the powder, performing supercritical fluid extraction, separating the extractant from a separation kettle at a temperature of 50-60 DEG C and a pressure of 5-10 MPa; separating the obtained extractant by high speed counter-current chromatography; performing on-line monitoring by an ultraviolet detector; collecting target components, recycling reagent, and thus obtaining the Yunnancoronarin A. The preparation method for Yunnancoronarin A provided by the invention is high in extracting efficiency, and short in production period, and energy saving and emission reduction are realized; and the purity of the obtained product is no less than 95 percent, thus, the preparation method is suitable for promotion and application.

Description

technical field [0001] The invention belongs to the field of natural medicinal chemistry, and in particular relates to a preparation method of dianthin A. Background technique [0002] Yunnancoronarin A (Yunnancoronarin A) is a diterpenoid compound, CAS No. 162762-93-8, molecular formula C 20 h 28 o 2 , molecular weight 300.44, molecular structure: [0003] . [0004] Dianjianghualin A is an oily substance at room temperature and has antitumor effects. [0005] Dianjianghua is a perennial herb of Zingiberaceae, which has anti-inflammatory and anti-tumor effects. Folk medicine is mainly based on roots, with pungent and warm nature and flavor. It has the effects of dispelling wind and dehumidification, relaxing tendons and activating collaterals, regulating menstruation and relieving pain. It is mainly used for rheumatic arthralgia, chronic low back pain, bruises, irregular menstruation, deficiency and cold Infertility and other diseases. Zhao Qing and others have con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D307/42
CPCY02P20/54
Inventor 刘东锋
Owner NANJING ZELANG MEDICAL TECH
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