JPH02167268A - Novel heterocyclic compound - Google Patents

Novel heterocyclic compound

Info

Publication number
JPH02167268A
JPH02167268A JP32046888A JP32046888A JPH02167268A JP H02167268 A JPH02167268 A JP H02167268A JP 32046888 A JP32046888 A JP 32046888A JP 32046888 A JP32046888 A JP 32046888A JP H02167268 A JPH02167268 A JP H02167268A
Authority
JP
Japan
Prior art keywords
compound
chloroform
added
formula
reaction
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.)
Pending
Application number
JP32046888A
Other languages
Japanese (ja)
Inventor
Tomoya Machinami
町並 智也
Kazue Yasufuku
安福 一恵
Masashi Shibahara
聖至 柴原
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.)
Meiji Seika Kaisha Ltd
Original Assignee
Meiji Seika Kaisha Ltd
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 Meiji Seika Kaisha Ltd filed Critical Meiji Seika Kaisha Ltd
Priority to JP32046888A priority Critical patent/JPH02167268A/en
Publication of JPH02167268A publication Critical patent/JPH02167268A/en
Pending legal-status Critical Current

Links

Abstract

NEW MATERIAL:A heterocyclic compound of formula I (X, Y are N, O, S: R<1> is H, halogen, lower alkoxy; R<2> is lower alkyl, lower alkoxycarbonylalkyl, heterocyclic ring, benzene, lower alkyl substituted with heterocyclic ring; m is 1 to 3; n is 0 to 2). EXAMPLE:5-Chloro-2-[2-(ethylthio)ethylamino]benzothiazole. USE:An antiulcerative. It bears a specific side chain in the 2-position of the heterocyclic ring. PREPARATION:For example, the reaction of a compound of formula II with another compound of formula III (X<1> is halogen and X<2> is NH2, OH, when X is N, O; while X<1> is SH and X<2> is halogen, when X is D) gives the compound of formula I wherein n is 0.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、優れた抗潰瘍作用を有する、新規な複素環式
化合物に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a novel heterocyclic compound having excellent anti-ulcer activity.

(従来の技術) 従来、抗潰瘍薬としては、「重曹」、「アルミニウム剤
」などの制酸剤あるいは抗ペプシン剤、抗コリン剤が用
いられるか、または「シメチジン」で代表されるR2−
受容体拮抗薬や「ピレンゼピン」のようなムスカリン受
容体遮断薬が用いられている。さらに新しい作用機序を
もつものとして、H”/ K ’″−ATPアーゼ阻害
薬であるベンズイミダゾール誘導体の「オメプラゾール
J  (2−[2−(3,5−ジメチル−4−メトキシ
)−ピリジルメチルスルフィニル] −(5−メトキシ
)−ベンズイミダゾール)やrNC−1300J  (
2−(2−ジメチルアミノベンジルスルフィニル)−ベ
ンズイミダゾール)が現在開発中である。一方、ベンゾ
チアゾール誘導体、ベンゾキサゾール誘導体にもH”/
K”−ATPアーゼ阻害作用があることが、最近報告さ
れている( J 、Med、Chem、、 1988゜
31、1778−1785)。
(Prior Art) Conventionally, as anti-ulcer drugs, antacids such as "baking soda" and "aluminum agents", anti-pepsin agents, and anti-cholinergic agents have been used, or R2-
Receptor antagonists and muscarinic receptor blockers such as pirenzepine are used. Furthermore, a new drug with a new mechanism of action is omeprazole J (2-[2-(3,5-dimethyl-4-methoxy)-pyridylmethyl), a benzimidazole derivative that is an H"/K'"-ATPase inhibitor. sulfinyl] -(5-methoxy)-benzimidazole) and rNC-1300J (
2-(2-dimethylaminobenzylsulfinyl)-benzimidazole) is currently under development. On the other hand, benzothiazole derivatives and benzoxazole derivatives also have H”/
It has recently been reported that it has a K''-ATPase inhibitory effect (J. Med. Chem., 1988.31, 1778-1785).

(本発明が解決しようとする問題点) 本発明者らは、さらに優れた抗潰瘍作用を有する複素環
式化合物検索を行った結果、下記−形式(I)の複素環
部分の2位に特異な側鎖を有する、有効な複素環式化合
物を見出した。
(Problems to be Solved by the Present Invention) As a result of searching for a heterocyclic compound having even better anti-ulcer activity, the present inventors found that: We have discovered an effective heterocyclic compound having a side chain.

(問題点を解決するだめの手段) 本発明は、下記−形式(I) し式中、X、Y、R’、R”、mは上記と同様の定義を
有す。1で示される化合物は次のA法またはB法により
製造することができる。
(Means for Solving the Problems) The present invention provides a compound represented by the following formula (I) in which X, Y, R', R'', and m have the same definitions as above. can be produced by the following method A or B.

A法ニ 一般式(II)の化合物 [式中、X又はYはN、O又はSを示し、R1は水素原
子、ハロゲン原子又は低級アルコキシ基を示し、R2は
低級アルキル基、低級アルフキジカルボニルアルキル基
、複素環、又はベンゼン環あるいは複素環で置換された
低級アルキル基を示し、mは1〜3の整数、nはO〜2
の整数を示す。1で表される複素環式化合物を提供する
ものである。
Method A - compound of general formula (II) [wherein, It represents an alkyl group, a heterocycle, or a lower alkyl group substituted with a benzene ring or a heterocycle, m is an integer of 1 to 3, and n is O to 2.
indicates an integer. The present invention provides a heterocyclic compound represented by 1.

上記−形式(I)で表される化合物のうち、−形式(I
 a) を−形式(IIりの化合物 X ”(CHi)m−3−R”      (m )1
式中、Y、R’、R”、mは上記と同様の定義を有し、
2つの基XIおよびx2は、−形式[1alにおいてX
がNまたはOの場合、xlはハロゲン原子、x2は−N
H,基または一〇H基を示す。また−形式[1alにお
いてXがSの場合、XIは一5H基、X2はハロゲン原
子を示す。]と反応させることにより、−形式[1al
の化合物を生皮する。
Among the compounds represented by the above-format (I), -format (I)
a) Compound X of the form (II) ``(CHi)m-3-R'' (m )1
In the formula, Y, R', R'', m have the same definitions as above,
The two groups XI and x2 are of the form [X in 1al
is N or O, xl is a halogen atom, x2 is -N
Indicates H, group or 10H group. Further, when X is S in the -form [1al, XI represents a -5H group and X2 represents a halogen atom. ] By reacting with -form [1al
rawhide compound.

反応溶媒としては、例えばテトラヒドロフランもしくは
ジメチルホルムアミドなどの非プロトン性極性溶媒が挙
げられる。使用する塩基としては、例えばトリエチルア
ミン、水素化ナトリウムなどが挙げられる。反応割合は
、化合物[11に対して、化合物[III] を1〜2
モル当量、塩基をl〜1.2モル当量とする。反応温度
は30〜70°c1反応時間は2〜24時間とする。
Examples of the reaction solvent include aprotic polar solvents such as tetrahydrofuran and dimethylformamide. Examples of the base used include triethylamine and sodium hydride. The reaction ratio is 1 to 2 of compound [III] to compound [11].
The molar equivalent is 1 to 1.2 molar equivalents of the base. The reaction temperature is 30 to 70°C and the reaction time is 2 to 24 hours.

l迭ニ 一般式(IV)の化合物 基を1〜1.2倍モル量とする。反応温度は30〜10
0°C1反応時間は2〜24時間とする。
The molar amount of the compound group of general formula (IV) is 1 to 1.2 times. The reaction temperature is 30-10
The reaction time at 0°C is 2 to 24 hours.

−形式(1)で表される化合物のうち一般式(Ib)1
式中、X、Y、R’、R”、mは上記と同様の定義を有
す。1 あるいは−形式(Ic) を−形式(v)の化合物 HaQ−R”          (V)[式中X、Y
、R’、R”、mは上記と同様の定義を有し、HaQは
ハロゲン原子を示す。1 と反応させることにより、−
形式[1alの化合物を生成する。反応溶媒としては、
例えばテトラヒドロフラン、ジメチルホルムアミドなど
が挙げられる。使用する塩基としては例えばトリエチル
アミン、水素化ナトリウムなどが挙げられる。反応割合
は化合物[IV]に対して化合物1vl を等モル量、
塩[式中、X、Y、R’、R”、mは上記と同様の定義
を有す。〕で示される化合物は、−形式(la)で表さ
れる化合物に適当量の酸化剤を作用させることにより得
られる。即ち一般式(la)の化合物に酸化剤を1〜1
.2モル当量作用させると一役式(Ib)の化合物が主
生成物として得られ、酸化剤を2〜2.2モル当量作用
させると一般式(Ic)の化合物が得られる。
- General formula (Ib) 1 among compounds represented by format (1)
In the formula, X, Y, R', R", m have the same definition as above. 1 or - form (Ic) - a compound of form (v) HaQ-R" ,Y
, R', R", m have the same definitions as above, and HaQ represents a halogen atom. By reacting with 1, -
A compound of the form [1al is produced. As a reaction solvent,
Examples include tetrahydrofuran and dimethylformamide. Examples of the base used include triethylamine and sodium hydride. The reaction ratio is an equimolar amount of 1 vol of compound to compound [IV],
The compound represented by the salt [wherein X, Y, R', R'', and m have the same definitions as above] is prepared by adding an appropriate amount of an oxidizing agent to the compound represented by the -form (la). It can be obtained by reacting the compound of general formula (la) with 1 to 1 oxidizing agent.
.. When 2 molar equivalents of the oxidizing agent are applied, a compound of formula (Ib) is obtained as the main product, and when 2 to 2.2 molar equivalents of the oxidizing agent are applied, a compound of general formula (Ic) is obtained.

反応溶媒としては例えばクロロホルムもしくはジクロロ
メタンなどのハロゲン化炭化水素類、あるいは酢酸など
が挙げられる。酸化剤としては例えばメタクロロ過安息
香酸、過酸化水素などが挙げられる。反応温度は0〜3
0’O1反応時間は30分間〜2時間程度とする。
Examples of the reaction solvent include halogenated hydrocarbons such as chloroform and dichloromethane, and acetic acid. Examples of the oxidizing agent include metachloroperbenzoic acid and hydrogen peroxide. Reaction temperature is 0-3
The 0'O1 reaction time is approximately 30 minutes to 2 hours.

(発明の効果) 本願化合物は抗潰瘍薬としての効果が期待される。(Effect of the invention) The compound of the present application is expected to be effective as an anti-ulcer drug.

本発明の一般式(1)で表される化合物の具体例として
は、例えば後記第1表に記載された化合物を挙げること
ができるが1本発明はこれらの化合物に限定されるもの
ではない。
Specific examples of the compound represented by the general formula (1) of the present invention include the compounds listed in Table 1 below, but the present invention is not limited to these compounds.

実施例1(化合物NO,19) 2−(エチルチオ)エチルアミン塩酸塩0.42 gを
無水テトラヒドロ7ラン5m12に懸濁させ、これにト
リエチルアミン0−83mffと2.5−ジクロロベン
ゾチアゾール0.50gを加え、1時間環流下撹拌した
Example 1 (Compound No. 19) 0.42 g of 2-(ethylthio)ethylamine hydrochloride was suspended in 5 ml of anhydrous tetrahydro7rane, and 0-83 mff of triethylamine and 0.50 g of 2,5-dichlorobenzothiazole were added thereto. The mixture was added and stirred under reflux for 1 hour.

反応混合物に水を加え、クロロホルムで抽出、乾燥後、
クロロホルムを減圧留去した。残渣をカラムクロマトグ
ラフィー(溶出液:n−ヘキサン/酢酸エチル−5/l
)で精製し、白色粉末として標題化合物0.39 gを
得た。
Add water to the reaction mixture, extract with chloroform, dry,
Chloroform was distilled off under reduced pressure. The residue was subjected to column chromatography (eluent: n-hexane/ethyl acetate-5/l
) to obtain 0.39 g of the title compound as a white powder.

実施例2(化合物N o、20) 実施例1で得られた化合物0.39 gに酢酸2a+(
2,30%過酸化水素水0.2m12、タングステン酸
ナトリウム触媒量を加えて室温で1時間撹拌した。反応
混合物に水を加え、炭酸水素ナトリウムでpH7に中和
後、クロロホルムで抽出した。抽出液を乾燥し、クロロ
ホルムを減圧留去して、残渣をカラムクロマトグラフィ
ー(溶出液:n−ヘキサン/アセトン−273)にかけ
て精製、白色粉末として標題化合物0.19gを得た。
Example 2 (Compound No. 20) 0.39 g of the compound obtained in Example 1 was added with acetic acid 2a+ (
0.2 ml of 2.30% hydrogen peroxide solution and a catalytic amount of sodium tungstate were added, and the mixture was stirred at room temperature for 1 hour. Water was added to the reaction mixture, neutralized to pH 7 with sodium hydrogen carbonate, and extracted with chloroform. The extract was dried, chloroform was distilled off under reduced pressure, and the residue was purified by column chromatography (eluent: n-hexane/acetone-273) to obtain 0.19 g of the title compound as a white powder.

実施例3(化合物N o、21) 実施例1で得られた化合物0.39gに酢酸2mα、3
0%過酸化水素水0−36mQ1 タングステン酸ナト
リウム触媒量を加えて室温で1時間撹拌しt;。反応混
合物に水を加え、炭酸水素ナトリウムでpH7に中和後
、クロロホルムで抽出した。抽出液を乾燥し、クロロホ
ルムを減圧留去して、残渣をカラムクロマトグラフィー
(溶出液:n−ヘキサン/アセト/−2/l)にかけて
精製、白色粉末として標題化合物0.40gを得た。
Example 3 (Compound No. 21) To 0.39 g of the compound obtained in Example 1, 2 mα, 3 acetic acid was added.
Add a catalytic amount of 0% hydrogen peroxide solution 0-36 mQ1 sodium tungstate and stir at room temperature for 1 hour. Water was added to the reaction mixture, neutralized to pH 7 with sodium hydrogen carbonate, and extracted with chloroform. The extract was dried, chloroform was distilled off under reduced pressure, and the residue was purified by column chromatography (eluent: n-hexane/acet/-2/l) to obtain 0.40 g of the title compound as a white powder.

5−クロロ−2−[2−(メトキシ力ルボニルメ5−ク
ロロ−2−メルカプトベンゾチアゾール1 、25 g
を無水ジメチルホルムアミド6 、 3mI2に溶かし
、水素化ナトリウム0.18gを少しずつ加え、室温で
1時間撹拌した。これに(2−クロロエチル)チオグリ
コール酸メチル1.04gを加えて室温で24時間撹拌
した。反応混合物に水を加え、クロロホルムで抽出、乾
燥後、クロロホルムを減圧留去した。残渣をカラムクロ
マトグラフィー(溶出液:クロロホルム)で精製し、黄
色油状物として、原題化合物1.80gを得た。
5-chloro-2-[2-(methoxycarbonylmercaptobenzothiazole 1, 25 g
was dissolved in 6.3ml of anhydrous dimethylformamide, 0.18g of sodium hydride was added little by little, and the mixture was stirred at room temperature for 1 hour. To this was added 1.04 g of methyl (2-chloroethyl)thioglycolate, and the mixture was stirred at room temperature for 24 hours. Water was added to the reaction mixture, extracted with chloroform, dried, and then chloroform was distilled off under reduced pressure. The residue was purified by column chromatography (eluent: chloroform) to obtain 1.80 g of the title compound as a yellow oil.

実施例5(化合物N o.25) ル: 実施例4で得られた化合物1.80gに酢酸9mQ,3
0%過酸化水素水0.6mLタングステン酸ナトリウ実
施例4(化合物N o.24) ム触媒量を加え、室温で1時間撹拌した。反応混合物に
水を加え、炭酸水素すトリウムでpH7に中和後、クロ
ロホルムで抽出した。抽出液を乾燥し、クロロホルムを
減圧留去して、残渣をカラムクロマトグラフィー(溶出
液=クロロホルム/メタノール= 50/ l )にか
けて精製、淡黄色粉末として標題化合物1.33gを得
た。
Example 5 (Compound No. 25): To 1.80 g of the compound obtained in Example 4 was added 9 mQ of acetic acid, 3
0% hydrogen peroxide solution 0.6 mL Sodium tungstate Example 4 (Compound No. 24) A catalyst amount was added, and the mixture was stirred at room temperature for 1 hour. Water was added to the reaction mixture, neutralized to pH 7 with sodium bicarbonate, and extracted with chloroform. The extract was dried, chloroform was distilled off under reduced pressure, and the residue was purified by column chromatography (eluent = chloroform/methanol = 50/l) to obtain 1.33 g of the title compound as a pale yellow powder.

実施例6(化合物No、26) 実施例4で得られた化合物1.80gに酢酸9m12.
30%過酸化水素水1.22mL タングステン酸ナト
リウム触媒量を加え、室温で1時間撹拌しl;。反応混
合物に水を加え、炭酸水素ナトリウムでpH7に中和後
、クロロホルムで抽出しtこ。抽出液を乾燥し、クロロ
ホルムを減圧留去して、残渣をカラムクロマトグラフィ
ー(溶出液:クロロホルム/メタノール−80/ l 
)にかけて精製、白色粉末として標題化合物1.40g
を得た。
Example 6 (Compound No. 26) To 1.80 g of the compound obtained in Example 4 was added 9 ml of acetic acid.
Add 1.22 mL of 30% hydrogen peroxide solution and a catalytic amount of sodium tungstate, and stir at room temperature for 1 hour. Water was added to the reaction mixture, neutralized to pH 7 with sodium hydrogen carbonate, and extracted with chloroform. The extract was dried, chloroform was distilled off under reduced pressure, and the residue was subjected to column chromatography (eluent: chloroform/methanol-80/l
) to obtain 1.40 g of the title compound as a white powder.
I got it.

実施例7(化合物N o、32) 4.6−シメチル−2−メルカプトピリミジン0.53
gを無水ジメチルホルムアミド2.7mQに溶かし、水
素化ナトリウム0.l1gを少しずつ加え、室温で1時
間撹拌した。これに5−クロロ−2−(クロロエチルチ
オ)ベンゾチアゾール1.oogを加え、室温で15時
間撹拌した。反応混合物に水を加え、クロロホルムで抽
出、乾燥後、クロロホルムを減圧留去した。残渣をカラ
ムクロマトグラフィー(溶出液:n−ヘキサン/酢酸エ
チル−5/l)で精製し、無色油状物として標題化合物
1.26gを得た。
Example 7 (Compound No, 32) 4.6-dimethyl-2-mercaptopyrimidine 0.53
g was dissolved in 2.7 mQ of anhydrous dimethylformamide, and 0.0 mQ of sodium hydride was added. 1 g was added little by little, and the mixture was stirred at room temperature for 1 hour. This was followed by 1.5-chloro-2-(chloroethylthio)benzothiazole. oog was added and stirred at room temperature for 15 hours. Water was added to the reaction mixture, extracted with chloroform, dried, and then chloroform was distilled off under reduced pressure. The residue was purified by column chromatography (eluent: n-hexane/ethyl acetate - 5/l) to obtain 1.26 g of the title compound as a colorless oil.

実施例8(化合物N o、33) 実施例7で得られた化合物1.26gに塩化メチレン2
5mQとメタクロロ過安息香酸0.70gを加え、室温
で2時間撹拌した。反応混合物に水を加え、クロロホル
ムで抽出、乾燥後、クロロホルムを減圧留去した。残渣
をカラムクロマトグラフィー(溶出液:クロロホルム/
メタノール−70/ l ) I:nかけて精製、白色
粉末として標題化合物0.93gを得た。
Example 8 (Compound No. 33) 1.26 g of the compound obtained in Example 7 was added with methylene chloride 2
5 mQ and 0.70 g of metachloroperbenzoic acid were added, and the mixture was stirred at room temperature for 2 hours. Water was added to the reaction mixture, extracted with chloroform, dried, and then chloroform was distilled off under reduced pressure. The residue was subjected to column chromatography (eluent: chloroform/
Purification using methanol (70/l) I:n gave 0.93 g of the title compound as a white powder.

次の表1に示す、上記実施例1〜8以外の化合物につい
ても、これらのいずれかの方法を用いて同様に製造する
ことができる。
Compounds other than those in Examples 1 to 8 shown in Table 1 below can also be produced in the same manner using any of these methods.

Claims (1)

【特許請求の範囲】 1、一般式( I ) ▲数式、化学式、表等があります▼( I ) [式中、X又はYはN、O又はSを示し、R^1は水素
原子、ハロゲン原子又は低級アルコキシ基を示し、R^
2は低級アルキル基、低級アルコキシカルボニルアルキ
ル基、複素環又はベンゼン環あるいは複素環で置換され
た低級アルキル基を示し、mは1〜3の整数、nは0〜
2の整数を示す。]で表される複素環式化合物。
[Claims] 1. General formula (I) ▲There are mathematical formulas, chemical formulas, tables, etc.▼(I) [In the formula, X or Y represents N, O or S, and R^1 represents a hydrogen atom or a halogen Indicates an atom or lower alkoxy group, R^
2 represents a lower alkyl group, a lower alkoxycarbonyl alkyl group, a heterocycle or a lower alkyl group substituted with a benzene ring or a heterocycle, m is an integer of 1 to 3, and n is 0 to
Indicates an integer of 2. ]Heterocyclic compound represented by.
JP32046888A 1988-12-21 1988-12-21 Novel heterocyclic compound Pending JPH02167268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32046888A JPH02167268A (en) 1988-12-21 1988-12-21 Novel heterocyclic compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32046888A JPH02167268A (en) 1988-12-21 1988-12-21 Novel heterocyclic compound

Publications (1)

Publication Number Publication Date
JPH02167268A true JPH02167268A (en) 1990-06-27

Family

ID=18121789

Family Applications (1)

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Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997003970A1 (en) * 1995-07-17 1997-02-06 Fuji Photo Film Co., Ltd. Benzimidazole compounds
FR2767828A1 (en) * 1997-08-06 1999-03-05 Ciba Geigy Ag HETEROCYCLIC THIOETHERS AS ADDITIVES FOR LUBRICATING AGENTS
WO2004078345A1 (en) * 2003-03-03 2004-09-16 General Electric Company Method for producing bisphenol catalysts and bisphenols

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JPS57158767A (en) * 1981-03-26 1982-09-30 Otsuka Pharmaceut Co Ltd Antiulcer agent
JPS60149567A (en) * 1984-01-13 1985-08-07 Kyorin Pharmaceut Co Ltd Novel imidazole derivative and preparation thereof
JPS60149569A (en) * 1984-01-13 1985-08-07 Kyorin Pharmaceut Co Ltd Novel benzazole derivative and preparation thereof

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US4349555A (en) * 1978-11-30 1982-09-14 John Wyeth & Brother Limited Dithiocompounds
JPS57158767A (en) * 1981-03-26 1982-09-30 Otsuka Pharmaceut Co Ltd Antiulcer agent
JPS60149567A (en) * 1984-01-13 1985-08-07 Kyorin Pharmaceut Co Ltd Novel imidazole derivative and preparation thereof
JPS60149569A (en) * 1984-01-13 1985-08-07 Kyorin Pharmaceut Co Ltd Novel benzazole derivative and preparation thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997003970A1 (en) * 1995-07-17 1997-02-06 Fuji Photo Film Co., Ltd. Benzimidazole compounds
US5998456A (en) * 1995-07-17 1999-12-07 Fuji Photo Film Co., Ltd. Benzimidazole compounds containing 1,2,4-triazole ring, and compositions and methods of use containing the same
US6174907B1 (en) 1995-07-17 2001-01-16 Fuji Photo Film Co., Ltd. Benzimidazole compounds containing 1,2,4-triazole ring, and compositions and methods of use containing the same
US6288236B1 (en) 1995-07-17 2001-09-11 Fuji Photo Film Co., Ltd. Benzimidazole compounds containing a benzoxazole or benzothiazole ring, and compositions and methods of use containing the same
FR2767828A1 (en) * 1997-08-06 1999-03-05 Ciba Geigy Ag HETEROCYCLIC THIOETHERS AS ADDITIVES FOR LUBRICATING AGENTS
NL1009793C2 (en) * 1997-08-06 2000-05-31 Ciba Sc Holding Ag Heterocyclic thioethers as additives for lubricants.
BE1012345A5 (en) * 1997-08-06 2000-10-03 Ciba Sc Holding Ag Thioethers heterocyclic as additives for s agents lubricants.
WO2004078345A1 (en) * 2003-03-03 2004-09-16 General Electric Company Method for producing bisphenol catalysts and bisphenols
JP2006513848A (en) * 2003-03-03 2006-04-27 ゼネラル・エレクトリック・カンパニイ Bisphenol catalyst and method for producing bisphenol

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