Metal chelate of short wavelength, and preparation method

A metal chelate, short-wavelength technology, used in the complex metal compounds of azo dyes, chemical instruments and methods, optical recording/reproducing, etc., can solve the problem of inability to use lasers, and achieve easy control of reaction conditions. , the effect of high yield and excellent photothermal stability

Inactive Publication Date: 2005-01-12
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, none of these organic materials can be used for optical discs with laser operating wavelengths of 450-550nm

Method used

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  • Metal chelate of short wavelength, and preparation method
  • Metal chelate of short wavelength, and preparation method
  • Metal chelate of short wavelength, and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: the synthesis of α-(4-methyl-2-azothiazole ring)-β-(4', 4'-dimethylcyclohexanedione) nickel chelate

[0031] Its synthetic steps are as follows:

[0032] ① Weigh the substances according to the following weight percentages: α-(4-methyl-2-azothiazole ring)-β-(4',4'-dimethylcyclohexanedione) compound, tetrahydrofuran, sodium methoxide, The weight percentages of nickel acetate and methyl alcohol are respectively: 6%: 66%: 15%: 3%: 10%;

[0033] ②Add α-(4-methyl-2-azothiazole ring)-β-(4',4'-dimethylcyclohexanedione) compound into tetrahydrofuran, stir to dissolve it, and then add methanol Sodium solution and stirred at room temperature for 10 minutes, then slowly added nickel acetate and methanol solution, and reacted for about 1-3 hours;

[0034] ③ After the reaction is complete, add a certain amount of water, stir for a while and let it stand for 30 minutes, filter to obtain a large amount of precipitate, filter and dry.

[0035] Yield: 80%

Embodiment 2

[0036] Embodiment 2: the synthesis of α-(4-methyl-2-azothiazole ring)-β-(4', 4'-dimethylcyclohexanedione) copper chelate

[0037] The synthesis steps are as follows:

[0038] ① Weigh the substances according to the following weight percentages: α-(4-methyl-2-azothiazole ring)-β-(4',4'-dimethylcyclohexanedione) compound, tetrahydrofuran, sodium ethylate, The weight percentages of copper acetate and ethanol are respectively: 2%: 65%: 10%: 2%: 5%;

[0039] 2. Step is the same as Example 12. The difference is that nickel acetate is changed to copper acetate;

[0040] ③The steps are the same as Example 1③.

[0041] Yield: 85%.

Embodiment 3

[0042] Example 3: Synthesis of α-(4-tert-butyl-2-azothiazole ring)-β-(4', 4'-dimethylcyclohexanedione) copper chelate

[0043] Its synthetic steps are as follows:

[0044] ①Weigh the substance according to the following weight percentage: α-(4-tert-butyl-2-azothiazole ring)-β-(4',4'-dimethylcyclohexanedione) compound, tetrahydrofuran, sodium methoxide , copper acetate and methyl alcohol are respectively: 3%: 70%: 15%: 3%: 9%;

[0045] 2. Step is the same as Example 12. The difference is that nickel acetate is changed to copper acetate;

[0046] ③The steps are the same as Example 1③.

[0047] Yield: 86%.

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Abstract

This invention relates to short wavelength metal-chelate-alpha-(4-substituted-2-azothiazolcyclo)-beta-(4,4- dimethyl cyclohexadione) metal chelate with its structural formula as shown, where, C=carbon, N=nitrogen, R=alkyl, methyl, 1-4 carbon linear branched chain alkyl with t-butyl; M2+=Ni2+, Zn2+, Cu2+. This invention compound adsorbs short wavelength (400-500 nm), has solubility being not less than 3 wt% in much organic solvent, being suitable for forming membrane with rotating coating method with high stability, being matched with blue-green laser in working wavelength of 450-550 nm, being of organic storage medium of high thickness blue-green light recording-disc.

Description

Technical field: [0001] The invention relates to an organic optical storage material, in particular to an α-(4-substituted-2-azothiazole ring)-β-(4',4'-dimethylcyclohexanedione) short-wavelength metal chelate substances and their preparation methods. The compound of the present invention has the advantages of short absorption wavelength, high solubility in many organic solvents, suitable for spin-coating film production and high stability, and is expected to match the blue-green semiconductor laser with an operating wavelength of 450-550nm, becoming a new It is an organic storage medium of a generation of high-density blue-green optical disc recordable. Background technique: [0002] At present, there are two main directions for the research and development of optical disc storage technology: one is the continuous improvement of the functions of optical discs, that is, from read-only to recordable or erasable; the other is the continuous increase of storage density. Among ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D277/28
CPCC09B45/22G11B7/2467C09B45/18G11B7/2495
Inventor 黄福新吴谊群顾冬红干福熹
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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