JPH0717955A - Benzotriazole derivative - Google Patents

Benzotriazole derivative

Info

Publication number
JPH0717955A
JPH0717955A JP16462493A JP16462493A JPH0717955A JP H0717955 A JPH0717955 A JP H0717955A JP 16462493 A JP16462493 A JP 16462493A JP 16462493 A JP16462493 A JP 16462493A JP H0717955 A JPH0717955 A JP H0717955A
Authority
JP
Japan
Prior art keywords
formula
expressed
benzotriazole
copper
benzotriazole derivative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16462493A
Other languages
Japanese (ja)
Other versions
JP3714684B2 (en
Inventor
Naoyuki Sugii
直行 杉井
Toshiyuki Yamauchi
敏行 山内
Hidekazu Sudo
英一 須藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JOHOKU KAGAKU KOGYO KK
Original Assignee
JOHOKU KAGAKU KOGYO KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JOHOKU KAGAKU KOGYO KK filed Critical JOHOKU KAGAKU KOGYO KK
Priority to JP16462493A priority Critical patent/JP3714684B2/en
Publication of JPH0717955A publication Critical patent/JPH0717955A/en
Application granted granted Critical
Publication of JP3714684B2 publication Critical patent/JP3714684B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

PURPOSE:To obtain the novel compound derivative consisting of a specific benzotriazole derivative containing 1,2,4-triazole group and t-amino group in the molecule and extremely useful as a rust-proofing agent for copper. CONSTITUTION:This benzotriazole derivative expressed by the formula IV and useful as a rust-proofing agent for copper can be produced by charging a 1-H benzotriazole expressed by the formula I (R1 is H or CH3), 1,2,4-triazole expressed by the formula II and a primary amine expressed by the formula III (R2 is alkyl, hydroxyalkyl or cycloalkyl) (e.g. 2-ethylhexylamine) in a reactor, adding methanol and formaldehyde to the mixture, reacting at 50-60 deg.C for 4hr and distilling out methanol under a slightly reduced pressure.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、新規なベンゾトリアゾ
ール誘導体に関する。本発明に係るベンゾトリアゾール
誘導体は、銅に対する防錆剤として有用である。
FIELD OF THE INVENTION The present invention relates to novel benzotriazole derivatives. The benzotriazole derivative according to the present invention is useful as an anticorrosive agent for copper.

【0002】[0002]

【従来の技術】本発明者らは、先に、ある特定のベンゾ
トリアゾール誘導体が金属の防錆剤として有用であるこ
とを見出し、提案した(特開平2−117668、特開
平2−117683および特開平2−207077)。
本発明者らは、引き続き検討の結果、上記誘導体とは異
なる特異な構造のベンゾトリアゾール誘導体が、銅の防
錆剤として極めて有用であることを見出し、本発明を完
成するに至ったものである。
BACKGROUND OF THE INVENTION The present inventors have previously found and proposed that a specific benzotriazole derivative is useful as an anticorrosive agent for metals (JP-A-2-117668, JP-A-2-117683 and JP-A-2-117683). Kaihei 2-207077).
As a result of subsequent studies, the present inventors have found that a benzotriazole derivative having a unique structure different from that of the above derivative is extremely useful as a rust preventive for copper, and have completed the present invention. .

【0003】[0003]

【発明が解決しようとする課題】本発明は、従って、特
に銅に対する防錆剤として有用な、新規ベンゾトリアゾ
ール誘導体を提供しようとするものである。
The present invention therefore seeks to provide new benzotriazole derivatives which are particularly useful as rust inhibitors for copper.

【0004】[0004]

【課題を解決するための手段】本発明は、上記課題を解
決するため、下記一般式で表される新規なベンゾトリア
ゾール誘導体を提供する。
In order to solve the above problems, the present invention provides a novel benzotriazole derivative represented by the following general formula.

【0005】[0005]

【化2】 [Chemical 2]

【0006】〔式中、R1 はHまたは−CH3 を示し、
2 はアルキル、ヒドロキシアルキルまたはシクロアル
キルを示す。〕本発明のベンゾトリアゾール誘導体にお
いて、R2 としてのアルキルおよびヒドロキシアルキル
は1〜18個の炭素原子を有するものであるのが好まし
く、シクロアルキルは5〜8個の炭素原子を有するもの
であるのが好ましい。
[In the formula, R 1 represents H or —CH 3 ,
R 2 represents alkyl, hydroxyalkyl or cycloalkyl. In the benzotriazole derivative of the present invention, alkyl and hydroxyalkyl as R 2 are preferably those having 1 to 18 carbon atoms, and cycloalkyl is one having 5 to 8 carbon atoms. Is preferred.

【0007】本発明のベンゾトリアゾール誘導体を製造
するに際しては、例えば、下記一般式(1)で表される
ベンゾトリアゾール、一般式(2)で表される一級アミ
ンおよび一般式(3)で表される1,2,4−トリアゾ
ールを、適当な溶媒中において、ホルマリンとともに、
常圧下、40〜70℃で、3〜4時間撹拌することによ
り反応させる。ただし、温度および時間については上記
に限定されるものではない。ホルマリンに代えてパラホ
ルムを用いることもできる。反応完結後、減圧により溶
媒を除去すれば目的生成物が得られる。溶媒としては、
特に限定されるものではないが、アルコール、アセトン
などの極性溶媒を用いるのがよい。
In producing the benzotriazole derivative of the present invention, for example, a benzotriazole represented by the following general formula (1), a primary amine represented by the general formula (2) and a general formula (3) are represented. 1,2,4-triazole with formalin in a suitable solvent
The reaction is carried out by stirring at 40 to 70 ° C. under normal pressure for 3 to 4 hours. However, the temperature and time are not limited to the above. Paraform may be used instead of formalin. After completion of the reaction, the solvent is removed under reduced pressure to obtain the desired product. As a solvent,
Although not particularly limited, polar solvents such as alcohol and acetone are preferably used.

【0008】[0008]

【化3】 [Chemical 3]

【0009】[0009]

【化4】 [Chemical 4]

【0010】[0010]

【化5】 [Chemical 5]

【0011】上記式(1)および(2)において、R1
およびR2 は前記規定に同一のものを表す。
In the above formulas (1) and (2), R 1
And R 2 have the same meaning as defined above.

【0012】[0012]

【実施例】以下、実施例により、本発明をさらに説明す
る。 実施例1 撹拌器、温度計および還流器を備えた500mlの四ツ口
フラスコに、メタノール200g、1−Hベンゾトリア
ゾール40.0g(0.336M)、1,2,4−トリ
アゾール23.2g(0.336M)、2−エチルヘキ
シルアミン43.5g(0.337M)およびホルマリ
ン20.2g(0.673M)を仕込み、50〜60℃
において4時間反応を継続する。次いで、軽い減圧下に
メタノールを留去すると、黄色粘稠性の下記式の化合物
113gを得る。収率は99%であった。
EXAMPLES The present invention will be further described below with reference to examples. Example 1 In a 500 ml four-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 200 g of methanol, 40.0 g of 1-H benzotriazole (0.336 M) and 23.2 g of 1,2,4-triazole ( 0.336M), 4-ethylhexylamine 43.5g (0.337M) and formalin 20.2g (0.673M) were charged, and 50-60 ° C.
The reaction is continued for 4 hours. Then, the methanol is distilled off under a light reduced pressure to obtain 113 g of a yellow viscous compound of the following formula. The yield was 99%.

【0013】[0013]

【化6】 [Chemical 6]

【0014】この化合物の元素分析結果を下記に示す。元素名 測定値(%) 計算値(%) 炭 素 63.6 63.34 窒 素 28.2 28.74 水 素 7.1 7.92 各元素とも計算値とよく一致した。The results of elemental analysis of this compound are shown below. Element name Measured value (%) Calculated value (%) Carbon 63.6 63.34 Nitrogen 28.2 28.74 Hydrogen 7.1 7.1 7.92 Each element was in good agreement with the calculated value.

【0015】実施例2 撹拌器、温度計および還流器を備えた500mlの四ツ口
フラスコに、メタノール200g、トリルトリアゾール
44.7g(0.336M)、1,2,4−トリアゾー
ル23.2g(0.336M)、2−エチルヘキシルア
ミン43.5g(0.337M)およびホルマリン2
0.2g(0.673M)を仕込み、50〜60℃にお
いて4時間反応を継続する。次いで、軽い減圧下にメタ
ノールを留去すると、淡黄色粘稠性の下記式の化合物1
18gを得る。収率は99%であった。
Example 2 In a 500 ml four-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 200 g of methanol, 44.7 g of tolyltriazole (0.336 M) and 23.2 g of 1,2,4-triazole ( 0.336M), 4-ethylhexylamine 43.5g (0.337M) and formalin 2
Charge 0.2 g (0.673 M) and continue the reaction at 50-60 ° C. for 4 hours. Then, methanol was distilled off under a light reduced pressure to obtain a pale yellow viscous compound 1 of the following formula.
18 g are obtained. The yield was 99%.

【0016】[0016]

【化7】 [Chemical 7]

【0017】この化合物の元素分析結果を下記に示す。元素名 測定値(%) 計算値(%) 炭 素 64.9 64.23 窒 素 27.1 27.60 水 素 7.9 8.17 各元素とも計算値とよく一致した。The results of elemental analysis of this compound are shown below. Element name Measured value (%) Calculated value (%) Carbon 64.9 64.23 Nitrogen 27.1 27.60 Hydrogen 7.9 8.17 Each element was in good agreement with the calculated value.

【0018】実施例3 撹拌器、温度計および還流器を備えた500mlの四ツ口
フラスコに、アセトン200g、1−Hベンゾトリアゾ
ール40.0g(0.336M)、1,2,4−トリア
ゾール23.2g(0.336M)、モノエタノールア
ミン20.9g(0.337M)およびパラホルム2
0.2g(0.673M)を仕込み、50〜60℃にお
いて4時間反応を継続する。次いで、軽い減圧下にアセ
トンを留去すると、黄色粘稠性の下記式の化合物92g
を得る。収率は100%であった。
Example 3 In a 500 ml four-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 200 g of acetone, 40.0 g of 1-H benzotriazole (0.336 M) and 1,2,4-triazole 23 were added. .2g (0.336M), monoethanolamine 20.9g (0.337M) and paraform 2
Charge 0.2 g (0.673 M) and continue the reaction at 50-60 ° C. for 4 hours. Then, acetone was distilled off under a light reduced pressure to obtain a yellow viscous compound of the following formula: 92 g
To get The yield was 100%.

【0019】[0019]

【化8】 [Chemical 8]

【0020】この化合物の元素分析結果を下記に示す。元素名 測定値(%) 計算値(%) 炭 素 52.8 52.55 窒 素 35.1 35.77 水 素 5.5 5.84 酸 素 5.7 5.84 各元素とも計算値とよく一致した。The results of elemental analysis of this compound are shown below. Element Name Measured value (%) Calculated value (%) Carbon 52.8 52.55 Nitrogen 35.1 35.77 Hydrogen 5.5 5.5 5.84 Oxygen 5.7 5.84 Calculated values for each element Well matched.

【0021】実施例4 撹拌器、温度計および還流器を備えた500mlの四ツ口
フラスコに、アセトン200g、トリルトリアゾール4
0.0g(0.336M)、1,2,4−トリアゾール
23.2g(0.336M)、モノエタノールアミン2
0.9g(0.337M)およびパラホルム20.20
g(0.673M)を仕込み、50〜60℃において4
時間反応を継続する。次いで、軽い減圧にてアセトンを
留去すると、黄色粘稠性の下記式の化合物96gを得
る。収率は99%であった。
Example 4 In a 500 ml four-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 200 g of acetone and 4 tolyltriazole were added.
0.0g (0.336M), 1,2,4-triazole 23.2g (0.336M), monoethanolamine 2
0.9g (0.337M) and paraform 20.20
g (0.673M) and charged at 50-60 ° C for 4
Continue to react for hours. Then, the acetone is distilled off under a light reduced pressure to obtain 96 g of a yellow viscous compound of the following formula. The yield was 99%.

【0022】[0022]

【化9】 [Chemical 9]

【0023】この化合物の元素分析結果を下記に示す。元素名 測定値(%) 計算値(%) 炭 素 54.5 54.16 窒 素 33.8 34.03 水 素 6.4 6.25 酸 素 5.1 5.56 各元素とも計算値とよく一致した。The results of elemental analysis of this compound are shown below. Element name Measured value (%) Calculated value (%) Carbon 54.5 54.16 Nitrogen 33.8 34.03 Hydrogen 6.4 6.25 Oxygen 5.1 5.56 Well matched.

【0024】実施例5 撹拌器、温度計および還流器を備えた500mlの四ツ口
フラスコに、メタノール200g、1−Hベンゾトリア
ゾール40.0g(0.336M)、1,2,4−トリ
アゾール23.2g(0.336M)、シクロヘキシル
アミン33.4g(0.337M)およびホルマリン2
0.2g(0.673M)を仕込み、50〜60℃にお
いて4時間反応を継続する。次いで、軽い減圧にてメタ
ノールを留去すると、黄色粘稠性の下記式の化合物10
3gを得る。収率は99%であった。
Example 5 In a 500 ml four-necked flask equipped with a stirrer, a thermometer and a reflux condenser, 200 g of methanol, 40.0 g of 1-H benzotriazole (0.336 M) and 1,2,4-triazole 23 were added. .2g (0.336M), cyclohexylamine 33.4g (0.337M) and formalin 2
Charge 0.2 g (0.673 M) and continue the reaction at 50-60 ° C. for 4 hours. Then, methanol was distilled off under a light reduced pressure to obtain a yellow viscous compound of the following formula 10
3 g are obtained. The yield was 99%.

【0025】[0025]

【化10】 [Chemical 10]

【0026】この化合物の元素分析結果を下記に示す。元素名 測定値(%) 計算値(%) 炭 素 62.0 61.74 窒 素 31.2 31.51 水 素 6.8 6.75 各元素とも計算値とよく一致した。The results of elemental analysis of this compound are shown below. Element name Measured value (%) Calculated value (%) Carbon 62.0 61.74 Nitrogen 31.2 31.51 Hydrogen 6.8 6.75 Each element was in good agreement with the calculated value.

【0027】銅に対する防錆テスト (1)JIS−K2513 石油製品銅板腐食試験方法
により上記化合物について防錆テストを行なった。 条件 :100℃/3時間 配合 :ベースオイル(モンサント基油) 98部 腐食促進剤(DAILUBU S285) 2部 (大日本インキ化学工業(株)製) 防錆剤:実施例1,2および5の化合物 0.1部 得られた結果を下記に示す。
Anticorrosion Test for Copper (1) JIS-K2513 An anticorrosion test was conducted on the above compounds by the corrosion test method for copper plates of petroleum products. Conditions: 100 ° C./3 hours Mixing: Base oil (Monsanto base oil) 98 parts Corrosion accelerator (DAILUBU S285) 2 parts (manufactured by Dainippon Ink and Chemicals, Inc.) Rust inhibitor: Compound of Examples 1, 2 and 5 0.1 part The obtained results are shown below.

【0028】防 錆 剤 ASTM銅板腐食標準 ブ ラ ン ク 4b 実施例1の化合物 1a〜1b 実施例2の化合物 1a〜1b 実施例5の化合物 1a〜1b 実施例1,2の化合物及び5の化合物はいずれも銅に対
して良好な防錆効果を示した。
Antirust Agent ASTM Copper Plate Corrosion Standard Blank 4b Compounds of Example 1 1a-1b Compounds of Example 1 1a-1b Compounds of Example 5 1a-1b Compounds of Examples 1, 2 and 5 All showed good rustproofing effect on copper.

【0029】(2)5%食塩水200ml中に実施例3ま
たは4の化合物0.1gを溶解し、この溶液中に銅線を
浸し、50℃のインキュベーター中に放置する。得られ
た結果を下記に示す。 防 錆 剤 1時間後 2日後 4日後 ブ ラ ン ク ▲ ★ ★ 実施例3の化合物 ◎ ◎ ○ 実施例4の化合物 ◎ ◎ ○ ★:表面が茶褐色に変化し、緑錆が発生して溶液が不透
明となる。
(2) 0.1 g of the compound of Example 3 or 4 was dissolved in 200 ml of 5% saline, a copper wire was immersed in this solution, and the mixture was left in an incubator at 50 ° C. The results obtained are shown below. Anti-corrosive agent 1 hour, 2 days, 4 days later Blank ▲ ★★ Compound of Example 3 ◎ ◎ ○ Compound of Example 4 ◎ ◎ ○ ★: Surface changed to brown, green rust occurred and the solution It becomes opaque.

【0030】▲:表面全体が薄褐色に変化する。 ○:表面の一部に点錆が発生する。 ◎:表面にほとんど変化が見られない。 実施例3の化合物及び4の化合物はいずれも銅にたいし
て良好な防錆効果を示した。
▲: The entire surface changes to light brown. ◯: Spot rust occurs on part of the surface. A: Almost no change is observed on the surface. Both the compound of Example 3 and the compound of 4 showed a good rust preventive effect on copper.

【0031】[0031]

【発明の効果】本発明によれば、銅の防錆剤として極め
て有用な、新規ベンゾトリアゾール誘導体が提供され
る。
INDUSTRIAL APPLICABILITY According to the present invention, a novel benzotriazole derivative which is extremely useful as an anticorrosive agent for copper is provided.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 下記一般式で示されるベンゾトリアゾー
ル誘導体。 【化1】 〔式中、R1 はHまたは−CH3 を示し、R2 はアルキ
ル、ヒドロキシアルキルまたはシクロアルキルを示
す。〕
1. A benzotriazole derivative represented by the following general formula. [Chemical 1] [In the formula, R 1 represents H or —CH 3 , and R 2 represents alkyl, hydroxyalkyl or cycloalkyl. ]
JP16462493A 1993-07-02 1993-07-02 Benzotriazole derivatives Expired - Fee Related JP3714684B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16462493A JP3714684B2 (en) 1993-07-02 1993-07-02 Benzotriazole derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16462493A JP3714684B2 (en) 1993-07-02 1993-07-02 Benzotriazole derivatives

Publications (2)

Publication Number Publication Date
JPH0717955A true JPH0717955A (en) 1995-01-20
JP3714684B2 JP3714684B2 (en) 2005-11-09

Family

ID=15796739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16462493A Expired - Fee Related JP3714684B2 (en) 1993-07-02 1993-07-02 Benzotriazole derivatives

Country Status (1)

Country Link
JP (1) JP3714684B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003514804A (en) * 1999-11-15 2003-04-22 ジヤンセン・フアーマシユーチカ・ナームローゼ・フエンノートシヤツプ Triazoles as farnesyltransferase inhibitors
US8973647B2 (en) 2009-11-20 2015-03-10 Samsung Electronics Co., Ltd. Heat exchanger and air conditioner having the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003514804A (en) * 1999-11-15 2003-04-22 ジヤンセン・フアーマシユーチカ・ナームローゼ・フエンノートシヤツプ Triazoles as farnesyltransferase inhibitors
JP4883862B2 (en) * 1999-11-15 2012-02-22 ジヤンセン・フアーマシユーチカ・ナームローゼ・フエンノートシヤツプ Triazoles as farnesyltransferase inhibitors
US8973647B2 (en) 2009-11-20 2015-03-10 Samsung Electronics Co., Ltd. Heat exchanger and air conditioner having the same

Also Published As

Publication number Publication date
JP3714684B2 (en) 2005-11-09

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