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Solid organic magnetic compound 4,4'-dicloro-2, 2'- bi-indan-1,1', 3,3'- tetrone and synthetic method

A magnetic compound, organic technology, applied in the field of organic material synthesis, can solve problems such as slow progress

Inactive Publication Date: 2012-05-02
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the early 1960s, scientists began theoretical research on organic ferromagnets, but progress was very slow

Method used

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  • Solid organic magnetic compound 4,4'-dicloro-2, 2'- bi-indan-1,1', 3,3'- tetrone and synthetic method
  • Solid organic magnetic compound 4,4'-dicloro-2, 2'- bi-indan-1,1', 3,3'- tetrone and synthetic method
  • Solid organic magnetic compound 4,4'-dicloro-2, 2'- bi-indan-1,1', 3,3'- tetrone and synthetic method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] First, in a 250mL four-neck flask equipped with a thermometer, a reflux condenser and mechanical stirring, add 30.5g (0.167mol) of 3-chlorophthalic anhydride and succinic acid (molar ratio is 1: 1), and heat up to 210°C. Start stirring, add potassium acetate (the molar ratio of potassium acetate to 3-chlorophthalic anhydride is 0.2:1), and react at 210°C for 2 hours. Then lower the temperature to 100°C, add hot water and introduce steam. Until the reaction product forms crushed particles, filter, wash the product with hot water, dry, and boil with ethanol to remove resinous impurities. Then filter, wash with ethanol until the eluate is colorless, and dry to obtain 16.0 g of reddish yellow powder, which is used for the synthesis of 4,4'-dichloro-2,2'-bisindane-1,1' , Intermediates of 3,3'-tetraketone.

[0028] Second, in a 250mL four-necked flask equipped with a thermometer, a reflux condenser and a mechanical stirrer, suspend 16.0g of the intermediate with methanol, ...

Embodiment 2

[0030] First, in a 250mL four-necked flask equipped with a thermometer, a reflux condenser and mechanical stirring, add 30.5g (0.167mol) of 3-chlorophthalic anhydride and succinic acid (molar ratio is 1: 1.5), and heat up to 210°C. Start stirring, add potassium acetate (the molar ratio of potassium acetate to 3-chlorophthalic anhydride is 0.3:1), and react at 210°C for 2 hours. Then lower the temperature to 100°C, add hot water and introduce steam. Until the reaction product forms crushed particles, filter, wash the product with hot water, dry, and boil with ethanol to remove resinous impurities. Then filter, wash with ethanol until the eluate is colorless, and dry to obtain 18.0 g of reddish yellow powder, which is used for the synthesis of 4,4'-dichloro-2,2'-bisindane-1,1' , Intermediates of 3,3'-tetraketone.

[0031] Second, in a 250mL four-neck flask equipped with a thermometer, a reflux condenser and mechanical stirring, suspend 18.0g of the intermediate with methanol,...

Embodiment 3

[0033]First, in a 250mL four-neck flask equipped with a thermometer, a reflux condenser and mechanical stirring, add 30.5g (0.167mol) of 3-chlorophthalic anhydride and succinic acid (molar ratio is 1: 2), and heat up to 210°C. Start stirring, add potassium acetate (the molar ratio of potassium acetate to 3-chlorophthalic anhydride is 0.25:1), and react at 210°C for 2 hours. Then lower the temperature to 100°C, add hot water and introduce steam. Until the reaction product forms crushed particles, filter, wash the product with hot water, dry, and boil with ethanol to remove resinous impurities. Then filter, wash with ethanol until the eluate is colorless, and dry to obtain 17.5 g of reddish yellow powder, which is used for the synthesis of 4,4'-dichloro-2,2'-bisindane-1,1' , Intermediates of 3,3'-tetraketone.

[0034] Second, in a 250mL four-necked flask equipped with a thermometer, a reflux condenser and a mechanical stirrer, suspend 16.0g of the intermediate with methanol, ...

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Abstract

The invention discloses a solid organic magnetic compound 4,4'-dichloro-2,2'-diindan-1,1',3,3'-tetrone and a synthetic method thereof. The structural formula of the 4,4'-dichloro-2,2'-diindan-1,1',3,3'-tetrone provided by the invention is as follows. The synthetic method comprises the following steps: taking 3- chlorin phthalic anhydride and butane diacid as raw materials to prepare an intermediate for synthesizing the 4,4'-dichloro-2,2'-diindan-1,1',3,3'-tetrone; and then synthesizing the 4,4'-dichloro-2,2'-diindan-1,1',3,3'-tetrone after sodium alcoholate catalysisi. The 4,4'-dichloro-2,2'-diindan-1,1',3,3'-tetrone provided by the invention is the organic magnetic compound, has better magnetism function, can be applied to fields such as new generation high stored information material, separation material, light broadband microwave absorption, magnetic sensors, small loss and high frequency micro-wave commutation devices, magnetic sealing devices, magnetic shades, magnetic separation, micro-wave communication, etc.

Description

[0001] [Technical Field]: The present invention belongs to the technical field of organic material synthesis, in particular to an organic compound with special physical properties of solid-state paramagnetism and its synthesis method. 【Background technique】: [0002] Organic magnets are a multidisciplinary interdisciplinary frontier subject, which involves organic, inorganic, organometallic, polymer, physical chemistry, condensed matter physics, etc. The design, synthesis and application of [1] Molecular solid (Molecular solid), an emerging multidisciplinary research field. For a long time, people thought that only inorganic substances had the above properties, while organic substances were considered to be diamagnetic substances or electrical insulators. Until recently, it has been proved theoretically and experimentally that certain special organic materials can exhibit magnetism or transform into conductors or even superconductors after being doped or combined with other o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C49/697C07C45/59H01F1/42
Inventor 李平李栋
Owner TIANJIN UNIVERSITY OF TECHNOLOGY