JP2006241120A - Triazine derivative and method for producing the same and metal surface treatment agent - Google Patents

Triazine derivative and method for producing the same and metal surface treatment agent Download PDF

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JP2006241120A
JP2006241120A JP2005062448A JP2005062448A JP2006241120A JP 2006241120 A JP2006241120 A JP 2006241120A JP 2005062448 A JP2005062448 A JP 2005062448A JP 2005062448 A JP2005062448 A JP 2005062448A JP 2006241120 A JP2006241120 A JP 2006241120A
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triazine derivative
surface treatment
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JP4675649B2 (en
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Ryuzo Nitta
龍三 新田
Yasushi Matsumura
康史 松村
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Nippon Steel Chemical and Materials Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a triazine derivative useful in the form of a surface treatment agent having high antirust effect on copper and its alloys and the effect of improving adhesion between copper foil and a polyimide resin. <P>SOLUTION: The triazine derivative as the surface treatment agent is represented by general formula(1)( wherein, R<SB>1</SB>, R<SB>2</SB>, R<SB>3</SB>and R<SB>4</SB>are each H or a 1-2C alkyl ). This triazine derivative is obtained by reaction between an aniline compound having an aminomethyl group protected with a protecting group and a trichlorotriazine compound followed by treatment with a metal hydrosulfide and then eliminating the protecting group. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、新規なトリアジン誘導体及びその製造方法とそれを金属の表面処理剤として使用する場合の金属表面処理剤に関するものである。   The present invention relates to a novel triazine derivative, a method for producing the same, and a metal surface treatment agent when the triazine derivative is used as a metal surface treatment agent.

金属表面処理剤は、金属の防錆を目的に使用される有機化合物である。特に、純銅及び銅合金に使用される表面処理剤は、ベンゾトリアゾールやイミダゾール等の窒素を含有する有機化合物であり、代表的な具体例としては、下記式(5)及び(6)で示される化合物等が挙げられる。

Figure 2006241120
A metal surface treating agent is an organic compound used for the purpose of rust prevention of a metal. In particular, the surface treatment agent used for pure copper and copper alloys is an organic compound containing nitrogen such as benzotriazole or imidazole, and typical specific examples are represented by the following formulas (5) and (6). Compounds and the like.
Figure 2006241120

これらの化合物は、銅表面において銅とのキレートを形成して防錆皮膜となることが知られている。一方でこれらの防錆皮膜は撥水性を示し、樹脂とのぬれ性及び接着性を悪くする作用がある。   These compounds are known to form a rust preventive film by forming a chelate with copper on the copper surface. On the other hand, these rust preventive films exhibit water repellency and have the effect of deteriorating the wettability and adhesiveness with the resin.

上記の問題を解決するための新規な銅の表面処理剤が報告されている。例えば、特許文献1には、2位あるいは4位がアリール基又はアリールメチル基によって置換された新規なイミダゾール化合物が開示されている。しかし、これらの化合物で形成された防錆皮膜は樹脂に対する接着性が低いという問題があった。   A novel copper surface treating agent for solving the above problem has been reported. For example, Patent Document 1 discloses a novel imidazole compound in which the 2-position or 4-position is substituted with an aryl group or an arylmethyl group. However, the rust preventive film formed with these compounds has a problem of low adhesion to the resin.

また、特許文献2には、マンニッヒ塩基とベンゾトリアゾールとの脱アミン縮合反応で得られるベンゾトリアゾール誘導体が開示されている。これらの化合物は銅に対して優れた防錆効果を示すが、一方で樹脂に対する接着性が不十分という問題があった。   Patent Document 2 discloses a benzotriazole derivative obtained by a deamine condensation reaction between a Mannich base and benzotriazole. These compounds have an excellent rust-proofing effect on copper, but on the other hand, there is a problem that the adhesion to the resin is insufficient.

特開平6−329635号公報JP-A-6-329635 特開2000−44549号号公報JP 2000-44549 A

本発明は、銅及び銅合金に対して高い防錆効果があり、特にポリイミド樹脂に対して高い接着性を有する防錆皮膜を形成可能な新規化合物、表面処理剤とその製造方法を提供することを課題とする。   The present invention provides a novel compound, a surface treatment agent, and a method for producing the same, which are capable of forming a rust preventive film having a high rust preventive effect on copper and copper alloys, and particularly high adhesion to polyimide resins. Is an issue.

すなわち、本発明は、下記一般式(1)で表されるトリアジン誘導体である。

Figure 2006241120
(式中、R1、R2、R3及びR4は独立に水素原子又は炭素数1〜2のアルキル基を示す。) That is, the present invention is a triazine derivative represented by the following general formula (1).
Figure 2006241120
(In the formula, R 1 , R 2, R 3 and R 4 independently represent a hydrogen atom or an alkyl group having 1 to 2 carbon atoms.)

また、本発明は、下記一般式(2)で表される保護基で保護されたアミノメチル基を有するアニリン化合物と、下記一般式(3)で表されるトリクロロトリアジン化合物とを反応させたのちに水硫化金属塩で処理し、その後保護基を脱離することを特徴とするトリアジン誘導体の製造方法である。

Figure 2006241120
(式中、R1、R2、R3及びR4は独立に水素原子又は炭素数1〜2のアルキル基を示し、R5はアミノ基の保護基を示す。)
Figure 2006241120
更に、本発明は、上記のトリアジン誘導体を有効成分とする金属表面処理剤である。 In addition, the present invention provides a reaction between an aniline compound having an aminomethyl group protected by a protecting group represented by the following general formula (2) and a trichlorotriazine compound represented by the following general formula (3). The triazine derivative is produced by treating with a metal hydrosulfide salt and then removing the protecting group.
Figure 2006241120
(Wherein, R1, R2, R 3 and R 4 independently represent a hydrogen atom or an alkyl group having a carbon number of 1 to 2, R 5 represents a protective group for amino group.)
Figure 2006241120
Furthermore, this invention is a metal surface treating agent which uses said triazine derivative as an active ingredient.

本発明のトリアジン誘導体は、前記式(1)で表される化合物であり、R1、R2、R3及びR4は独立に水素原子又は炭素数1〜2のアルキル基を示す。 Triazine derivative of the present invention, the a compound represented by the formula (1) shows the R1, R2, the alkyl group of R 3 and R 4 are independently a hydrogen atom or a C 1-2.

本発明のトリアジン誘導体の製造に使用される化合物は、一般式(2)で表されるアミノメチル基のアミノ基が保護され、メチル基又はエチル基が置換してもよい4-アミノメチルアニリン(以下、アニリン化合物という)と一般式(3)で表される2,4,6-トリクロロ-1,3,5-トリアジン(以下、トリクロロトリアジン化合物という)である。R5は-COOC(CH3)3等のアミノ基の保護基を示す。そして、一般式(2)及び後記する式(4)、(7)、(8)において、R1〜R4は一般式(1)のR1〜R4と同じ意味を有する。 The compound used for the production of the triazine derivative of the present invention is a 4-aminomethylaniline in which the amino group of the aminomethyl group represented by the general formula (2) is protected and the methyl group or the ethyl group may be substituted. Hereinafter referred to as aniline compound) and 2,4,6-trichloro-1,3,5-triazine (hereinafter referred to as trichlorotriazine compound) represented by the general formula (3). R 5 represents an amino-protecting group such as —COOC (CH 3 ) 3 . Then, the general formula (2) and below Formula (4), has the same meaning as R 1 to R 4 in (7), in (8), R 1 to R 4 have the general formula (1).

本発明のトリアジン誘導体は、本発明の製造方法により製造することができる。すなわち、アルカリ金属塩の存在下、上記アニリン化合物とトリクロロトリアジン化合物を反応させたのちに、水硫化金属塩で処理し、その後アミノメチル基のアミノ基を保護する基を脱離する方法である。それぞれの工程で中間生成物を単離することが好ましいが、アニリン化合物とトリクロロトリアジン化合物とを反応させたのちに、水硫化金属塩で処理する工程は連続して行うことも可能である。   The triazine derivative of the present invention can be produced by the production method of the present invention. That is, in the presence of an alkali metal salt, the aniline compound and the trichlorotriazine compound are reacted, then treated with a metal hydrosulfide salt, and then the group that protects the amino group of the aminomethyl group is eliminated. Although it is preferable to isolate the intermediate product in each step, the step of treating with the metal hydrosulfide after reacting the aniline compound and the trichlorotriazine compound can also be carried out continuously.

一般式(2)で表されるアニリン化合物は、下記一般式(4)で表される保護基R5を有しないアニリン化合物とジブチルジカーボネート等のアミノ基の保護を目的とする試薬を反応することで合成できる。

Figure 2006241120
The aniline compound represented by the general formula (2) reacts with an aniline compound having no protecting group R 5 represented by the following general formula (4) and a reagent for protecting an amino group such as dibutyl dicarbonate. Can be synthesized.
Figure 2006241120

この反応では、上記一般式(4)で表される化合物1モルに対し、ジブチルジカーボネート、カルボベンゾキシクロリド、酢酸クロリド、無水酢酸、9-フルオレニルメチルクロロホルメート、2,2,2-トリクロロメチルクロロホルメート、アリルクロリド等のアミノ基の保護を目的とする試薬を0.5〜1.5モル好ましくは0.8〜1.2モルが使用される。この反応の際、必要に応じてアルカリを存在させるが、アルカリ金属塩又は有機塩基類を用いることができる。アルカリ金属塩としては、炭酸ナトリウム、炭酸水素ナトリウム、炭酸カリウム等を用いることができ、有機塩基としては、トリエチルアミン、ジメチルアミノピリジン等を用いることができ、これらを単独に、あるいは組み合わせて用いることができる。アルカリを使用する場合、一般式(4)で表される化合物に1モル対し、1モル以上使用することが好ましく、特に好ましくは1〜1.5モルが使用される。上記反応における反応温度は0〜100℃であることが好ましく、特に好ましくは20〜40℃である。反応時間は、反応温度にもよるが、1〜10hrが好適である。これらの反応において必要であれば有機溶媒を用いてもよい。有機溶媒を使用する場合、極性溶剤を用いることが好ましく、例えば、テトラヒドロフラン、ジメチルホルムアミド等が好適に用いられる。有機溶媒の使用量は有機溶媒を含む反応混合物中に、約20〜95wt%、好ましくは50〜85wt%存在する量とすることがよい。   In this reaction, with respect to 1 mol of the compound represented by the above general formula (4), dibutyl dicarbonate, carbobenzoxyl chloride, acetic chloride, acetic anhydride, 9-fluorenylmethyl chloroformate, 2,2,2 -A reagent for the purpose of protecting amino groups such as trichloromethyl chloroformate and allyl chloride is used in an amount of 0.5 to 1.5 mol, preferably 0.8 to 1.2 mol. In this reaction, an alkali is present if necessary, but an alkali metal salt or an organic base can be used. As the alkali metal salt, sodium carbonate, sodium hydrogen carbonate, potassium carbonate and the like can be used, and as the organic base, triethylamine, dimethylaminopyridine and the like can be used, and these can be used alone or in combination. it can. When using an alkali, it is preferable to use 1 mol or more with respect to 1 mol with respect to the compound represented by General formula (4), Most preferably, 1-1.5 mol is used. The reaction temperature in the above reaction is preferably 0 to 100 ° C, particularly preferably 20 to 40 ° C. The reaction time depends on the reaction temperature, but 1 to 10 hours is preferable. If necessary in these reactions, an organic solvent may be used. When using an organic solvent, it is preferable to use a polar solvent, for example, tetrahydrofuran, dimethylformamide and the like are suitably used. The amount of the organic solvent used may be about 20 to 95 wt%, preferably 50 to 85 wt%, in the reaction mixture containing the organic solvent.

反応終了後は、室温まで冷却して有機相あるいは有機固体物を取り出し、水洗及び乾燥させて一般式(2)で表されるアニリン化合物を得ることが出来る。更にカラムクロマトグラフィーを用いて精製して、高純度品とすることができる。得られた化合物は、1H−NMRよりその構造が確認できる。 After completion of the reaction, the aniline compound represented by the general formula (2) can be obtained by cooling to room temperature, taking out the organic phase or organic solid, washing with water and drying. Furthermore, it can refine | purify using column chromatography and can be made into a highly purified product. The structure of the obtained compound can be confirmed by 1 H-NMR.

一般式(2)で表されるアニリン化合物と一般式(3)で表されるトリクロロトリアジン化合物とを反応する工程は、アニリン化合物1モルに対し、トリクロロトリアジン化合物を0.5〜1.5モル、好ましくは0.8〜1.2モルが使用される。この反応の際、アルカリを存在させるが、アルカリ金属塩又は有機塩基類を用いることができる。アルカリ金属塩としては、炭酸ナトリウム、炭酸水素ナトリウム、炭酸カリウム等を用いることができ、有機塩基としては、トリエチルアミン、ジメチルアミノピリジン等を用いることができ、これらを単独に、あるいは組み合わせて用いることができる。好ましくは、アルカリ金属塩を用いることが良く、炭酸ナトリウムもしくは炭酸カリウムを用いることが推奨される。アルカリはトリクロロトリアジン化合物1モルに対し、1モル以上使用することが好ましく、特に好ましくは3〜6モルが使用される。アルカリ金属塩を用いる場合、アルカリ金属塩を溶解するために反応系中に水を加えてもよく、その使用量は反応混合物中に、約20〜90wt%、好ましくは45〜65wt%存在する量とすることがよい。上記反応における反応温度は−20〜80℃であることが好ましく、特に好ましくは0〜25℃である。反応時間は、反応温度にもよるが、1〜10hrが好適である。これらの反応において必要であれば有機溶媒を用いてもよく、有機溶媒としては極性溶剤が好ましく、例えば、テトラヒドロフラン、ジメチルホルムアミド等が好適に用いられる。有機溶媒を使用する場合、その使用量は有機溶媒を含む反応混合物中に、約20〜95wt%、好ましくは50〜85wt%存在する量とすることがよい。   In the step of reacting the aniline compound represented by the general formula (2) and the trichlorotriazine compound represented by the general formula (3), 0.5 to 1.5 mol of the trichlorotriazine compound is added to 1 mol of the aniline compound. Preferably, 0.8 to 1.2 moles are used. In this reaction, alkali is present, but alkali metal salts or organic bases can be used. As the alkali metal salt, sodium carbonate, sodium hydrogen carbonate, potassium carbonate and the like can be used, and as the organic base, triethylamine, dimethylaminopyridine and the like can be used, and these can be used alone or in combination. it can. Preferably, an alkali metal salt is used, and it is recommended to use sodium carbonate or potassium carbonate. The alkali is preferably used in an amount of 1 mol or more, particularly preferably 3 to 6 mol, relative to 1 mol of the trichlorotriazine compound. When an alkali metal salt is used, water may be added to the reaction system in order to dissolve the alkali metal salt, and the amount used is about 20 to 90 wt%, preferably 45 to 65 wt% in the reaction mixture. It is good to do. The reaction temperature in the above reaction is preferably -20 to 80 ° C, particularly preferably 0 to 25 ° C. The reaction time depends on the reaction temperature, but 1 to 10 hours is preferable. If necessary in these reactions, an organic solvent may be used. As the organic solvent, a polar solvent is preferable. For example, tetrahydrofuran, dimethylformamide and the like are preferably used. When an organic solvent is used, the amount used may be about 20 to 95 wt%, preferably 50 to 85 wt% in the reaction mixture containing the organic solvent.

反応終了後は、室温まで冷却して有機相あるいは有機固体物を取り出し、水洗及び乾燥させて下記一般式(7)で表される合成中間体を得ることが出来る。更にカラムクロマトグラフィーを用いて精製して、高純度品とすることができる。得られた化合物は、1H−NMRによりその構造が確認できる。

Figure 2006241120
After completion of the reaction, the reaction mixture is cooled to room temperature, and the organic phase or organic solid is taken out, washed with water and dried to obtain a synthetic intermediate represented by the following general formula (7). Furthermore, it can refine | purify using column chromatography and can be made into a highly purified product. The structure of the obtained compound can be confirmed by 1 H-NMR.
Figure 2006241120

上記一般式(7)で表される合成中間体を水硫化金属塩で処理して、トリアジン環に結合しているClをSHに置換する工程は、合成中間体に1モル対し、水硫化金属塩を2〜6モル、好ましくは2.5〜3.5モルが使用して行われる。水硫化金属塩としては、水硫化ナトリウム、水硫化カリウム等を用いることができる。水硫化金属塩は水和していてもよい。この反応の際、水を存在させるが、その使用量は反応混合物中に、約20〜80wt%、好ましくは30〜60wt%存在する量とすることがよい。上記反応における反応温度は0〜80℃であることが好ましく、より好ましくは10〜40℃である。反応時間は、反応温度にもよるが、1〜10hrが好適である。これらの反応において必要であれば有機溶媒を用いてもよく、極性溶剤を用いることが好ましく、例えば、テトラヒドロフラン、ジメチルホルムアミド等が好適に用いられる。有機溶媒を使用する場合、その使用量は有機溶媒を含む反応混合物中に、約20〜95wt%、好ましくは50〜85wt%存在する量とすることがよい。   The step of treating the synthetic intermediate represented by the general formula (7) with a metal hydrosulfide salt and replacing Cl bonded to the triazine ring with SH is based on 1 mol of the synthetic intermediate and the metal hydrosulfide. It is carried out using 2 to 6 mol of salt, preferably 2.5 to 3.5 mol. As the metal hydrosulfide salt, sodium hydrosulfide, potassium hydrosulfide, or the like can be used. The metal hydrosulfide salt may be hydrated. In this reaction, water is present, but the amount used is preferably about 20 to 80 wt%, preferably 30 to 60 wt% in the reaction mixture. The reaction temperature in the above reaction is preferably 0 to 80 ° C, more preferably 10 to 40 ° C. The reaction time depends on the reaction temperature, but 1 to 10 hours is preferable. If necessary in these reactions, an organic solvent may be used, and a polar solvent is preferably used. For example, tetrahydrofuran, dimethylformamide and the like are suitably used. When an organic solvent is used, the amount used may be about 20 to 95 wt%, preferably 50 to 85 wt% in the reaction mixture containing the organic solvent.

反応終了後は、室温まで冷却して有機相あるいは有機固体物を取り出し、水洗及び乾燥させて下記一般式(8)で表される合成中間体を得ることが出来る。更にカラムクロマトグラフィーを用いて精製して、高純度品とすることができる。得られた化合物は、1H−NMRによりその構造が確認できる。

Figure 2006241120
After completion of the reaction, the reaction mixture is cooled to room temperature, and the organic phase or organic solid is taken out, washed with water and dried to obtain a synthetic intermediate represented by the following general formula (8). Furthermore, it can refine | purify using column chromatography and can be made into a highly purified product. The structure of the obtained compound can be confirmed by 1 H-NMR.
Figure 2006241120

一般式(8)で表される合成中間体からアミノ基の保護基であるR5を脱離する脱保護工程は、この合成中間体1モルに対し、脱保護試薬を1〜30モル好ましくは5〜20モルが使用される。上記反応における反応温度は脱保護試薬にもよるが、0〜80℃であることが好ましく、より好ましくは10〜40℃である。反応時間は、反応温度にもよるが、1〜10hrが好適である。これらの反応において必要であれば有機溶媒を用いてもよく、極性溶剤を用いることが好ましく、例えば、テトラヒドロフラン、ジメチルホルムアミド等が好適に用いられる。有機溶媒を使用する場合、その使用量は有機溶媒を含む反応混合物中に、約20〜95wt%、好ましくは50〜85wt%存在する量とすることがよい。 Deprotection step synthetic intermediate represented by general formula (8) desorbs R 5 is a protective group of an amino group based on the synthetic intermediate 1 mole, the deprotecting reagent 1 to 30 mol, preferably 5 to 20 moles are used. Although the reaction temperature in the above reaction depends on the deprotection reagent, it is preferably 0 to 80 ° C, more preferably 10 to 40 ° C. The reaction time depends on the reaction temperature, but 1 to 10 hours is preferable. If necessary in these reactions, an organic solvent may be used, and a polar solvent is preferably used. For example, tetrahydrofuran, dimethylformamide and the like are suitably used. When an organic solvent is used, the amount used may be about 20 to 95 wt%, preferably 50 to 85 wt% in the reaction mixture containing the organic solvent.

反応終了後は、室温まで冷却して、酸水溶液、例えば6N塩酸を加えることにより結晶化し、濾取したのち有機溶剤洗浄及び乾燥させて目的とする一般式(1)で表されるトリアジン誘導体を得ることができる。酸水溶液を加えることにより結晶化する工程では、その使用量は6N塩酸の場合、有機溶媒を含む反応混合物中に、約10〜60wt%、好ましくは15〜30wt%加えることが好ましい。濾取したのち洗浄で用いる有機溶剤としては、極性非プロトン溶剤が好ましく、例えば、テトラヒドロフラン、ジエチルエーテル等が好適に用いられる。更に中性の水を用いて再結晶化して、高純度品とすることができる。得られた化合物は、1H−NMRによりその構造が確認できる。 After completion of the reaction, the mixture is cooled to room temperature, crystallized by adding an aqueous acid solution such as 6N hydrochloric acid, collected by filtration, washed with an organic solvent and dried to obtain the desired triazine derivative represented by the general formula (1). Obtainable. In the step of crystallization by adding an acid aqueous solution, when the amount used is 6N hydrochloric acid, it is preferably added in an amount of about 10 to 60 wt%, preferably 15 to 30 wt%, in the reaction mixture containing an organic solvent. The organic solvent used for washing after filtration is preferably a polar aprotic solvent, for example, tetrahydrofuran, diethyl ether or the like is preferably used. Furthermore, it can recrystallize using neutral water and can be made into a high purity product. The structure of the obtained compound can be confirmed by 1 H-NMR.

本発明のトリアジン誘導体は、金属の表面処理材、特に防錆剤、金属と樹脂の接着力向上のための助剤として有用である。金属の表面処理材として使用する場合、トリアジン誘導体を有機溶媒等に溶解した溶液とし、これを塗布するなどして使用される。   The triazine derivative of the present invention is useful as a metal surface treatment material, particularly as a rust inhibitor, and an auxiliary agent for improving the adhesion between a metal and a resin. When used as a metal surface treatment material, the triazine derivative is used as a solution in an organic solvent or the like and applied.

本発明のトリアジン誘導体は、銅とポリイミド樹脂に対する接着性を向上する効果を有する表面処理剤として有用であり、本表面処理剤によって処理された銅箔は、樹脂に対する接着性向上と防錆性向上の効果を付与することができる。   The triazine derivative of the present invention is useful as a surface treatment agent having an effect of improving the adhesion to copper and polyimide resin, and the copper foil treated with this surface treatment agent has improved adhesion to resin and improved rust prevention. The effect of can be provided.

以下、実施例により本発明を具体的に説明するが、本発明はこれら実施例に限定されるものではない。   EXAMPLES Hereinafter, although an Example demonstrates this invention concretely, this invention is not limited to these Examples.

実施例1
滴下ロート、攪拌装置及び冷却管を備えた内容積100mlの三つ口丸底フラスコに、4−アミノベンジルアミン3.7g、トリエチルアミン4.2ml、ジブチルジカーボネート6.5g及びテトラヒドロフラン60mlを入れて、室温で2hr攪拌した。
攪拌終了後、反応液を水200mlと酢酸エチル200mlを用いて分液ロートに移し、その混合物を水層と有機層に分離した。この有機層を水100mlで3回洗浄し、溶媒を留去することにより高粘調液体5.8gを得た。
上記高粘調液体をシリカゲルカラムクロマトグラフィで精製した。溶離液は酢酸エチル及びヘキサンを同量混合した溶液を用いた。精製後、分離した溶液の溶媒を留去することにより黄色固体4.5gを得た。
Example 1
In a 100 ml three-necked round bottom flask equipped with a dropping funnel, a stirrer and a condenser tube, 3.7 g of 4-aminobenzylamine, 4.2 ml of triethylamine, 6.5 g of dibutyl dicarbonate and 60 ml of tetrahydrofuran were added. Stir at room temperature for 2 hr.
After completion of the stirring, the reaction solution was transferred to a separatory funnel using 200 ml of water and 200 ml of ethyl acetate, and the mixture was separated into an aqueous layer and an organic layer. This organic layer was washed with 100 ml of water three times, and the solvent was distilled off to obtain 5.8 g of a highly viscous liquid.
The highly viscous liquid was purified by silica gel column chromatography. As the eluent, a solution in which the same amount of ethyl acetate and hexane was mixed was used. After purification, 4.5 g of a yellow solid was obtained by distilling off the solvent of the separated solution.

内容積100mlの三つ口丸底フラスコに、上記で得られた黄色固体4.2g、2,4,6-トリクロロ-1,3,5-トリアジン3.7g、炭酸ナトリウム11g、水25ml及びテトラヒドロフラン80mlを入れて、氷冷下で3hr攪拌した。
攪拌終了後、反応液を水200mlとトルエン酢酸エチル200mlを用いて反応混合物を水層と有機層に分離した。この有機層を水100mlで3回洗浄し、溶媒を留去することにより白色固体6.0gを得た。
To a three-necked round bottom flask with an internal volume of 100 ml, 4.2 g of the yellow solid obtained above, 3.7 g of 2,4,6-trichloro-1,3,5-triazine, 11 g of sodium carbonate, 25 ml of water and tetrahydrofuran 80 ml was added and stirred for 3 hours under ice cooling.
After completion of the stirring, the reaction mixture was separated into an aqueous layer and an organic layer using 200 ml of water and 200 ml of toluene ethyl acetate. This organic layer was washed with 100 ml of water three times, and the solvent was distilled off to obtain 6.0 g of a white solid.

内容積100mlの三つ口丸底フラスコに、上記で得られた白色固体4.2g、水硫化ナトリウム・n水和物(abt.70%)4.8g、水15ml及びジメチルホルムアミド35mlを入れて、氷冷下で1hr攪拌した。
攪拌終了後、反応液にクエン酸を1.3g加え、その後に水200mlとトルエン酢酸エチル200mlを用いて反応混合物を水層と有機層に分離した。この有機層を水100mlで3回洗浄し、溶媒を留去することにより黄色固体3.4gを得た。
Into a three-necked round bottom flask with an internal volume of 100 ml, 4.2 g of the white solid obtained above, 4.8 g of sodium hydrosulfide.n hydrate (abt. 70%), 15 ml of water and 35 ml of dimethylformamide were placed. The mixture was stirred for 1 hour under ice cooling.
After completion of the stirring, 1.3 g of citric acid was added to the reaction solution, and then the reaction mixture was separated into an aqueous layer and an organic layer using 200 ml of water and 200 ml of toluene ethyl acetate. This organic layer was washed with 100 ml of water three times, and the solvent was distilled off to obtain 3.4 g of a yellow solid.

内容積100mlの三つ口丸底フラスコに、上記で得られた黄色固体1g、テトラヒドロフラン40ml及び6N塩酸5mlを入れて室温で1hr攪拌した。
攪拌終了後、析出物を濾取し、テトラヒドロフラン50mlを用いて洗浄し、室温で5hr乾燥した。得た化合物を水50mlに溶解し、炭酸水素ナトリウムを加えて中和し、12hr放置した。析出物を濾取することにより白色固体0.3gを得た。
In a three-necked round bottom flask having an internal volume of 100 ml, 1 g of the yellow solid obtained above, 40 ml of tetrahydrofuran and 5 ml of 6N hydrochloric acid were added and stirred at room temperature for 1 hour.
After completion of the stirring, the precipitate was collected by filtration, washed with 50 ml of tetrahydrofuran, and dried at room temperature for 5 hours. The obtained compound was dissolved in 50 ml of water, neutralized by adding sodium hydrogen carbonate, and allowed to stand for 12 hours. The precipitate was collected by filtration to obtain 0.3 g of a white solid.

この白色固体は下記式(9)で表される化合物であり、融点を測定したところ300℃以上であった。また、赤外線吸収スペクトル(IR)の測定結果を図1に示す。

Figure 2006241120
This white solid is a compound represented by the following formula (9), and its melting point was measured and found to be 300 ° C. or higher. Moreover, the measurement result of an infrared absorption spectrum (IR) is shown in FIG.
Figure 2006241120

実施例2
実施例1で得られた式(9)で表されるトリアジン誘導体0.265gを、メタノール1Lに溶解し、表面処理液を作成した。銅箔は、表面処理を施していない未処理電解銅箔(表面粗度:十点平均粗さ(Rz)=約0.8μm、厚さ:18μm、20cm×13cm角)を用いた。まず、銅箔表面の表面酸化皮膜を除去するため、5%塩酸水溶液(pH < 1、浴温約20℃)に60秒間浸漬した。付着した酸を除くため、イオン交換水で十分に洗浄し、圧縮空気を吹き付けて乾燥した。このように処理した銅箔を、上記の表面処理液(浴温約20℃)に30秒間浸漬して表面処理を行い、次いでイオン交換水750ml(浴温約20℃)に60秒間浸漬し、その後圧縮空気を約15秒吹き付けて乾燥した。更に、銅箔表面に付着した余分な有機表面処理剤を洗浄するため、メタノール750ml(浴温約20℃)にこの銅箔を60秒間浸漬して洗浄し、次いでイオン交換水750ml(浴温約20℃)に60秒間浸漬し、その後圧縮空気を約15秒吹き付けて乾燥して、表面処理銅箔を得た。
Example 2
A surface treatment solution was prepared by dissolving 0.265 g of the triazine derivative represented by the formula (9) obtained in Example 1 in 1 L of methanol. As the copper foil, an untreated electrolytic copper foil (surface roughness: ten-point average roughness (Rz) = about 0.8 μm, thickness: 18 μm, 20 cm × 13 cm square) not subjected to surface treatment was used. First, in order to remove the surface oxide film on the copper foil surface, it was immersed in a 5% hydrochloric acid aqueous solution (pH <1, bath temperature of about 20 ° C.) for 60 seconds. In order to remove the adhering acid, it was thoroughly washed with ion-exchanged water and dried by blowing compressed air. The copper foil thus treated is immersed in the surface treatment solution (bath temperature of about 20 ° C.) for 30 seconds to perform surface treatment, and then immersed in 750 ml of ion exchange water (bath temperature of about 20 ° C.) for 60 seconds. Thereafter, compressed air was blown for about 15 seconds to dry. Further, in order to wash away the excess organic surface treatment agent adhering to the surface of the copper foil, the copper foil is washed by immersing in 750 ml of methanol (bath temperature of about 20 ° C.) for 60 seconds, and then 750 ml of ion exchange water (bath temperature of about (20 ° C.) for 60 seconds, and then compressed air was blown for about 15 seconds and dried to obtain a surface-treated copper foil.

これに、ポリアミック酸を含むワニスを塗布したのち、加熱硬化を行うことで銅箔上にポリイミド層が形成された銅張り積層板を作成した。得られた銅張積層板について、プレス機を用いて幅10mmの短冊状に切断し、室温で180°、10mmピール強度を、引っ張り試験機を用いて測定することにより接着力を評価した結果、接着強度は1kN/mであった。一方、上記の表面処理液で銅箔表面を処理しない銅箔を用いて作成した銅張り積層板について接着力を評価した結果、接着強度は0.1kN/mであった。   After applying the varnish containing polyamic acid to this, the copper clad laminated board with which the polyimide layer was formed on copper foil was created by performing heat-hardening. About the obtained copper-clad laminate, it was cut into a strip of 10 mm width using a press machine, and the adhesive strength was evaluated by measuring 180 °, 10 mm peel strength at room temperature using a tensile tester, The adhesive strength was 1 kN / m. On the other hand, as a result of evaluating the adhesive strength of a copper-clad laminate prepared using a copper foil that does not treat the surface of the copper foil with the surface treatment liquid, the adhesive strength was 0.1 kN / m.

実施例1で得られた化合物のIRスぺクトルIR spectrum of the compound obtained in Example 1

Claims (3)

下記一般式(1)で表されるトリアジン誘導体。
Figure 2006241120
(式中、R1、R2、R3及びR4は独立に水素原子又は炭素数1〜2のアルキル基を示す。)
A triazine derivative represented by the following general formula (1).
Figure 2006241120
(In the formula, R 1 , R 2, R 3 and R 4 independently represent a hydrogen atom or an alkyl group having 1 to 2 carbon atoms.)
請求項1記載のトリアジン誘導体を製造する方法において、下記一般式(2)で表される保護基で保護されたアミノメチル基を有するアニリン化合物と、下記一般式(3)で表されるトリクロロトリアジン化合物とを反応させたのちに水硫化金属塩で処理し、その後保護基を脱離することを特徴とするトリアジン誘導体の製造方法。
Figure 2006241120
(式中、R1、R2、R3及びR4は独立に水素原子又は炭素数1〜2のアルキル基を示す。R5はアミノ基の保護基を示す。)
Figure 2006241120
The method for producing a triazine derivative according to claim 1, wherein the aniline compound has an aminomethyl group protected with a protecting group represented by the following general formula (2), and a trichlorotriazine represented by the following general formula (3). A method for producing a triazine derivative, which comprises reacting with a compound, then treating with a metal hydrosulfide, and then removing the protecting group.
Figure 2006241120
(Wherein, R1, R2, R 3 and .R 5 R 4 is showing a hydrogen atom or an alkyl group having 1 to 2 carbon atoms independently a protecting group for amino group.)
Figure 2006241120
請求項1記載のトリアジン誘導体を有効成分とする金属表面処理剤。   A metal surface treatment agent comprising the triazine derivative according to claim 1 as an active ingredient.
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CN104649989A (en) * 2013-11-25 2015-05-27 刘现梅 Tri(aspartic acid amido)-s-triazine and preparation method thereof
KR101569128B1 (en) * 2012-06-11 2015-11-13 가부시키가이샤 이오가가쿠켄큐쇼 Surface treatment method, surface treatment agent, and novel compound
JPWO2014156361A1 (en) * 2013-03-28 2017-02-16 古河電気工業株式会社 Surface treatment electrolytic copper foil
JPWO2014156362A1 (en) * 2013-03-28 2017-02-16 古河電気工業株式会社 Surface treatment electrolytic copper foil

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KR101569128B1 (en) * 2012-06-11 2015-11-13 가부시키가이샤 이오가가쿠켄큐쇼 Surface treatment method, surface treatment agent, and novel compound
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JPWO2014156361A1 (en) * 2013-03-28 2017-02-16 古河電気工業株式会社 Surface treatment electrolytic copper foil
JPWO2014156362A1 (en) * 2013-03-28 2017-02-16 古河電気工業株式会社 Surface treatment electrolytic copper foil
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