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Preparation of a compound phytic acid sugar alcohol ester chelating agent

A technology of compounding phytic acid sugar alcohol ester and phytic acid sugar alcohol ester, which is applied in the field of agricultural and forestry production, can solve the problems of difficult transportation of mineral nutrients, lack of physiological properties, etc., achieve strong chelating ability and water solubility, and cheap raw materials , fertilizer effect and long-lasting effect

Active Publication Date: 2016-02-24
南宁汉和生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Sugar alcohols widely exist in the phloem juice of plants, and are carriers of various nutrient elements, carrying mineral nutrients in the phloem for rapid transport. The phloem is the main way for mineral nutrients, sugar, carbohydrates and other nutrients to enter the product organs. Nutrients are difficult to transport in the phloem and easily cause physiological deficiency problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment example 1

[0013] Preparation of Compound Phytose Allicin Hexaphosphate

[0014] Step 1: At -10°C, slowly add 1 mol of phosphorus tribromide dropwise to 1 mol of phytic acid while stirring. After the dropwise addition, continue to stir for 0.5 h, remove the cold source, slowly rise to room temperature and keep 3h.

[0015] Step 2: Dissolve 1mol allicitol in the reaction kettle, cool to 0°C, slowly add the solution obtained in step 1 dropwise with stirring, keep stirring at 0°C for 30min after the dropwise addition, then remove the cold source to raise the temperature to room temperature, Stirring was continued for 60 min at room temperature. Cooling in an ice-water bath, standing still, precipitation of crystals, recrystallization of the crystals to obtain compound sugar alcohol hexaphosphate.

specific Embodiment example 2

[0017] Preparation of complex phytic acid lactose ester

[0018] Step 1: At 0°C, slowly add 2 mol of brominated dibutyrimide to 1 mol of phytic acid while stirring. After the addition is complete, continue to stir for 1 hour, remove the cold source, slowly rise to room temperature and keep 2 hours.

[0019] Step 2: Dissolve 2 mol of pentapentose in the reaction kettle, cool to 0°C, slowly add the solution obtained in step 1 dropwise under stirring, keep stirring at 0°C for 30 minutes after the dropwise addition, then remove the cold source to raise the temperature to room temperature, Stirring was continued for 60 min at room temperature. Cooling in an ice-water bath, standing still, precipitation of crystals, recrystallization of the crystals to obtain compound sugar alcohol hexaphosphate.

specific Embodiment example 3

[0021] Preparation of complex phytic acid talitol ester

[0022] Step 1: At -5°C, slowly add 1 mol of phosphorus trichloride to 1 mol of phytic acid while stirring. After the addition is complete, continue stirring for 1 h, remove the cold source, slowly rise to room temperature and keep for 1.5 h.

[0023] Step 2: Dissolve 2mol D-talitol in the reaction kettle, cool to 0°C, slowly add the solution obtained in step 1 dropwise with stirring, keep stirring at 0°C for 1 hour after the dropwise addition, then remove the cold source to raise the temperature to At room temperature, stirring was continued for 1.5h at room temperature. Cooling in an ice-water bath, standing still, precipitation of crystals, recrystallization of the crystals to obtain compound sugar alcohol hexaphosphate.

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PUM

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Abstract

The invention relates to preparation of a composite phytic acid sugar alcohol ester chelating agent which is applicable to the field of agricultural and forestry production as well as medicine and public health. According to the invention, incomplete acylation is performed on phytic acid, then the phytic acid reacts with sugar alcohol to obtain the composite phytic acid sugar alcohol ester; the composite ester can dissolve in water easily and can obviously reduce the surface tension of liquid; the composite ester can be used as a polydentate ligand to form a chelate with an alkali metal element or a transition metal element. The composite phytic acid sugar alcohol ester chelating agent is the best chelating agent and surface active agent of medium trace elements demanded by a plant.

Description

technical field [0001] The invention relates to the preparation of a compound phytic acid sugar alcohol ester chelating agent, which is applied in the fields of agriculture, forestry production, medicine and hygiene, and the like. Background technique [0002] Trace elements are components or activators of various enzymes in crops, participating in carbon assimilation, carbohydrate transport, nitrogen metabolism and redox processes, etc.; they can promote plant growth and the formation and development of reproductive organs, and enhance antibiotic resistance. Generally, according to the degree of lack of soil fertilizer and the needs of plants, on the basis of nitrogen, phosphorus, and potassium fertilizers, timely and appropriate application of micro-fertilizers is an effective measure to obtain high-quality and high-yield. [0003] Traditionally, inorganic salts such as zinc sulfate, ferrous sulfate, and manganese sulfate are used to supplement trace elements such as iron,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F9/117C05G3/00
Inventor 陈成吴宁潘巨武
Owner 南宁汉和生物科技股份有限公司