JPS58411B2 - 2- (2-oxo-1-pyrrolidinyl) phenyl saccharide - Google Patents

2- (2-oxo-1-pyrrolidinyl) phenyl saccharide

Info

Publication number
JPS58411B2
JPS58411B2 JP10882774A JP10882774A JPS58411B2 JP S58411 B2 JPS58411 B2 JP S58411B2 JP 10882774 A JP10882774 A JP 10882774A JP 10882774 A JP10882774 A JP 10882774A JP S58411 B2 JPS58411 B2 JP S58411B2
Authority
JP
Japan
Prior art keywords
pyrrolidinyl
oxo
general formula
phenyl
saccharide
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.)
Expired
Application number
JP10882774A
Other languages
Japanese (ja)
Other versions
JPS5141353A (en
Inventor
伊藤定一郎
市川一雄
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 JP10882774A priority Critical patent/JPS58411B2/en
Publication of JPS5141353A publication Critical patent/JPS5141353A/en
Publication of JPS58411B2 publication Critical patent/JPS58411B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Pyrrole Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

【発明の詳細な説明】 本発明は一般式〔I〕 〔式中R1は、水素原子、ハロゲン原子および低級アル
キル基などを示す〕で表わされる新規な2−(2−オキ
ソ−1−ピロリヂニル)フェニル酢酸類の製造法に関す
るものである。
Detailed Description of the Invention The present invention provides novel 2-(2-oxo-1-pyrrolidinyl) represented by the general formula [I] [wherein R1 represents a hydrogen atom, a halogen atom, a lower alkyl group, etc.] This invention relates to a method for producing phenylacetic acids.

本発明の方法によって製造される一般式〔I〕で示され
る2−(2−オキソ−1−ピロリヂニル)フェニル酢酸
類は、文献未記載の新規な化合物であって、抗炎症作用
を有する有用な物質である。
The 2-(2-oxo-1-pyrrolidinyl)phenylacetic acid compound represented by the general formula [I] produced by the method of the present invention is a novel compound that has not been described in any literature, and is a useful compound having an anti-inflammatory effect. It is a substance.

本発明の方法によれば、前記1式を有する2−(2−オ
キソ−1−ピロリヂニル)フェニル酢酸類は一般式〔■
〕 〔式中R1は、水素原子、ハロゲン原子および低級アル
キル基などを示し、R2は、低級アルキル基を示し、X
は、ハロゲン原子を示す〕で表わされるα−ハロフェニ
ル酢酸エステル類にα−ピロリドンを反応して得られる
一般式(1) 〔式中R1およびR2は、前述したものと同意義を示す
〕で表わされる2−(2−オキソ−1−ピロリヂニル)
フェニル酢酸エステル類を加水分解することにより、製
造することができる。
According to the method of the present invention, 2-(2-oxo-1-pyrrolidinyl)phenylacetic acids having the formula 1 are prepared by the general formula [■
[In the formula, R1 represents a hydrogen atom, a halogen atom, a lower alkyl group, etc., R2 represents a lower alkyl group, and X
represents a halogen atom] obtained by reacting α-pyrrolidone with α-halophenyl acetate represented by the general formula (1) [wherein R1 and R2 have the same meanings as described above] 2-(2-oxo-1-pyrrolidinyl)
It can be produced by hydrolyzing phenylacetic acid esters.

即ち、本発明の方法を実施する場合、一般式〔■〕を有
するα−ハロフェニル酢酸エステル類を脱水ベンゼンま
たは脱水キシレンなど非極性有機溶媒に溶解し、別調整
したα−ピロリドンのナトリウム塩を加え、溶媒の沸騰
点で3〜6時間反応する。
That is, when carrying out the method of the present invention, an α-halophenyl acetate having the general formula [■] is dissolved in a nonpolar organic solvent such as dehydrated benzene or dehydrated xylene, and separately prepared sodium salt of α-pyrrolidone is added. , react for 3-6 hours at the boiling point of the solvent.

反応液を水にあけ、エーテル抽出する。抽出物は乾燥後
、溶媒を留去する。
The reaction solution was poured into water and extracted with ether. After drying the extract, the solvent is distilled off.

残留油状物を真空蒸留などの精製法により一般式〔■〕
を有する2−(2−オキソ−1−ピロリヂニル)フェニ
ル酢酸エステル類を得る。
The residual oil is purified by a purification method such as vacuum distillation to obtain the general formula [■]
A 2-(2-oxo-1-pyrrolidinyl)phenylacetic acid ester having the following formula is obtained.

ここに得られたエステル類を種水酸化すI−IJウム溶
液中で加熱還流し、冷却後稀塩酸で中和し、減圧濃縮す
る。
The esters obtained here are heated to reflux in a hydroxide solution, neutralized with dilute hydrochloric acid after cooling, and concentrated under reduced pressure.

エタノールを加え、不溶の塩化ナトリウムを除去し、溶
媒を減圧で留去すれば一般式〔■〕を有する目的物が得
られる。
Ethanol is added, insoluble sodium chloride is removed, and the solvent is distilled off under reduced pressure to obtain the desired product having the general formula [■].

次に本発明の方法を実施例により具体的に説明するが、
本発明はこれにより限定されるものではない。
Next, the method of the present invention will be specifically explained using examples.
The present invention is not limited thereby.

実施例 1 α−ピロリドン4.31を金属ナトリウム1.21を含
む無水メタノール溶液に加え、水浴上30分加温する。
Example 1 4.31 of α-pyrrolidone is added to an anhydrous methanol solution containing 1.21 of sodium metal and heated on a water bath for 30 minutes.

溶媒を減圧で除去した後、脱水キシレン30−を加え、
撹拌しながら室温でα−クロロフェニル酢酸メチル9.
31を滴下する。
After removing the solvent under reduced pressure, 30-30% of dehydrated xylene was added,
Methyl α-chlorophenylacetate at room temperature with stirring9.
Drop 31.

混合液を油浴上3時間還流する。The mixture is refluxed on an oil bath for 3 hours.

冷却後反応液を水にあけ、溶媒層を分離する。After cooling, the reaction solution was poured into water and the solvent layer was separated.

水層は更にエーテル抽出する、抽出液は無水硫酸マグネ
シウムで乾燥する。
The aqueous layer is further extracted with ether, and the extract is dried over anhydrous magnesium sulfate.

乾燥液を濾過し、 液を減圧濃縮するとシラツブ状物を
得る。
The dried liquid is filtered and the liquid is concentrated under reduced pressure to obtain a slag-like substance.

これを真空蒸留すると沸点150〜153’C10,5
mHgの2−(2−オキソ−1−ピロリヂニル)フェニ
ル酢酸メチル8.8f(76%)を得る。
When this is vacuum distilled, the boiling point is 150-153'C10,5
8.8 f (76%) of methyl 2-(2-oxo-1-pyrrolidinyl)phenylacetate are obtained in mHg.

元素分析値C13N15 NO3として 計算イ鹸搬 C,66,93;H,6,48:N、6.
01実験イ■冶 C,66,75;H,6,24;N、
5.93メチルエステルより遊離酸にするには、種水酸
化ナトリウム溶液中で加熱する。
Elemental analysis value C13N15 Calculated as NO3 Calculated as C, 66, 93; H, 6, 48: N, 6.
01 Experiment I ■Jiji C, 66, 75; H, 6, 24; N,
5.93 To form the free acid from the methyl ester, heat the seed in sodium hydroxide solution.

即ち2−(2−オキソ−1−ピロリヂニル)フェニル酢
酸メチル8.8gにIN水酸化ナトリウム溶液60m1
を加え1時間加熱還流する。
That is, 60 ml of IN sodium hydroxide solution was added to 8.8 g of methyl 2-(2-oxo-1-pyrrolidinyl)phenylacetate.
and heated under reflux for 1 hour.

冷却後減圧で濃縮乾固すれは2−(2−オキソ−1−ピ
ロリヂニル)フェニル酢酸ナトリウムを得る。
After cooling, the mixture was concentrated to dryness under reduced pressure to obtain sodium 2-(2-oxo-1-pyrrolidinyl)phenylacetate.

収量定量的。これを水に溶解し、当量の塩酸水を加え、
減圧で水をとばし、エタノールを加え、不溶の塩化ナト
リウムを除き、溶媒を減圧で除去し、残留物をベンゼン
から再結晶すれば融点118.5℃の2−(2−オキ7
−1−ピロリヂニル)フェニル酢酸5.2 g(64%
)を得る。
Yield quantitative. Dissolve this in water, add an equivalent amount of hydrochloric acid,
Water is removed under reduced pressure, ethanol is added, insoluble sodium chloride is removed, the solvent is removed under reduced pressure, and the residue is recrystallized from benzene to give 2-(2-oxy7) with a melting point of 118.5°C.
-1-pyrrolidinyl)phenylacetic acid 5.2 g (64%
).

元素分析値C32H13N03 として 計算イ向裂 C,65,74;H,5,98;N、6.
39実験イ向楚 C,65,54;H,5,90;N、
6.12実施例 2 α−ピロリドン3.5g、金属ナトリウム0.941お
よびα−クロロ−〇−クロロフェニル酢酸メチル8.9
1を用い、実施例1に準じて処理する。
Calculated as elemental analysis value C32H13N03 Directional crack C, 65, 74; H, 5, 98; N, 6.
39 Experiment Ikuso C, 65, 54; H, 5, 90; N,
6.12 Example 2 α-pyrrolidone 3.5 g, metallic sodium 0.941 and α-chloro-〇-chlorophenylacetate methyl 8.9
1 and treated according to Example 1.

真空蒸留すると沸点149〜152℃10.15mmH
gの2−(2−オキソ−1−ピロリヂニル)−o−クロ
ロフェニル酢酸メチル8.11(78%)を得る。
When distilled under vacuum, the boiling point is 149-152℃10.15mmH
8.11 (78%) of methyl 2-(2-oxo-1-pyrrolidinyl)-o-chlorophenylacetate are obtained.

元素分析値C,3H,,C1NO3として計算イ向鳴
C,58,32;H,5,27;N、5.23実験イ峨
搬 C,58,24;H,5,07;N、4.99メチ
ルエステルより遊離酸にするには、実施例1に準じて処
理し、メチルエステル8.11から融点169℃の2−
(2−オキソ−1−ピロリヂニル) −o −クロロフ
ェニル酢酸4.5g (59% )を得る。
Calculated as elemental analysis value C,3H,,C1NO3
C, 58, 32; H, 5, 27; N, 5.23 Experiment A. C, 58, 24; 2-2 with a melting point of 169°C from the methyl ester 8.11.
4.5 g (59%) of (2-oxo-1-pyrrolidinyl)-o-chlorophenylacetic acid are obtained.

元素分析値C72H12CINO3として計算イ暎冶
C,56,81;H,4,77;N、5.52実験値(
ト)C,56,61;H,4,72;N、5.36実施
例 3 α−ピロリドン4.3g、金属ナトリウム1.1gおよ
びα−クロロ−p−メチルフェニル酢酸エチル8.31
を用い、実施例1に準じて処理する。
Calculated as elemental analysis value C72H12CINO3
C, 56,81; H, 4,77; N, 5.52 experimental value (
g) C, 56,61; H, 4,72; N, 5.36 Example 3 4.3 g of α-pyrrolidone, 1.1 g of sodium metal and 8.31 ethyl α-chloro-p-methylphenylacetate
The treatment is carried out according to Example 1.

真空蒸留すると沸点136〜138℃10.2mmHg
の2−(2−オキソ−1−ピロリヂニル)−p−メチル
フェニル酢酸エチル8.3 g (80%)を得る。
When distilled under vacuum, the boiling point is 136-138℃10.2mmHg
8.3 g (80%) of ethyl 2-(2-oxo-1-pyrrolidinyl)-p-methylphenylacetate are obtained.

元素分析値C15H19NO3として 計算f峨搬 C,68,94;H,7,33;N、5.
36実験値(イ)C,68,81;H,7,19;N、
5.17エチルエステルより遊離酸にするには、実施例
1に準じて処理し、エチルエステル8.31から融点1
70℃の2−(2−オキソ−1−ピロリヂニル)−p−
メチルフェニル酢酸4.9g(64%)を得る。
Calculated using the elemental analysis value C15H19NO3.
36 Experimental values (a) C, 68, 81; H, 7, 19; N,
5.17 To convert the ethyl ester into the free acid, proceed according to Example 1 and convert the ethyl ester from 8.31 to the melting point 1.
2-(2-oxo-1-pyrrolidinyl)-p- at 70°C
4.9 g (64%) of methylphenylacetic acid are obtained.

元素分析値C13H1,N03 として 計算イ閣冶 C,66,93;H,6,48;N、6.
01実験イ厭冶 C,66,74;H,6,45;N、
5.82試験例 1%カラゲニン足浮腫法(トンリュー系♂、体重130
〜150g、一群3匹) 試料は1%アラビヤゴム溶液に懸濁し、5■/rat宛
腹腔内投与した。
Calculated as elemental analysis value C13H1,N03 Ikakuji C,66,93;H,6,48;N,6.
01 Experiment I Keiji C, 66, 74; H, 6, 45; N,
5.82 Test example 1% carrageenan foot edema method (Tonryu male, weight 130
(~150 g, 3 animals per group) The samples were suspended in a 1% gum arabic solution and administered intraperitoneally to 5 μ/rat.

対照薬としてフェニルブタシー15〜/rat宛投与し
た場合は、抑制率は40.5%であった。
When phenylbutase was administered at 15 ~/rat as a control drug, the inhibition rate was 40.5%.

実施例 R1R2抑制率(イ) I HCH329,2 1HH33,9 2C1CH37,9 2Cl H27,1 3CH3C2H530,5 3CH3H28,7Example R1R2 inhibition rate (a) I HCH329,2 1HH33,9 2C1CH37,9 2Cl H27,1 3CH3C2H530,5 3CH3H28,7

Claims (1)

【特許請求の範囲】 1 一般式(II、1 〔式中R1は、水素原子、ハロゲン原子および低級アル
キル基などを示し、R2は、低級アルキル基を示し、X
は、ハロゲン原子を示す〕で表わされるα−ハロフェニ
ル酢酸エステル類にα−ピロリドンを反応させ、一般式
CI、1 〔式中R1およびR2は、前述したものと同意義を示す
〕で表わされる2−(2−オキソ−1−ピロリヂニル)
フェニル酢酸エステル類ヲ得、これを加水分解すること
を特徴とする一般式〔I〕〔式中R1は、前述したもの
と同意義を示す〕で表わされる2−(2−オキソ−1−
ピロリヂニル)フェニル酢酸類の製造法。
[Scope of Claims] 1 General formula (II, 1 [In the formula, R1 represents a hydrogen atom, a halogen atom, a lower alkyl group, etc., R2 represents a lower alkyl group,
represents a halogen atom] and α-pyrrolidone is reacted with α-pyrrolidone to obtain 2 represented by the general formula CI, 1 [wherein R1 and R2 have the same meanings as described above]. -(2-oxo-1-pyrrolidinyl)
2-(2-oxo-1-
A method for producing pyrrolidinyl) phenyl acetic acids.
JP10882774A 1974-09-24 1974-09-24 2- (2-oxo-1-pyrrolidinyl) phenyl saccharide Expired JPS58411B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10882774A JPS58411B2 (en) 1974-09-24 1974-09-24 2- (2-oxo-1-pyrrolidinyl) phenyl saccharide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10882774A JPS58411B2 (en) 1974-09-24 1974-09-24 2- (2-oxo-1-pyrrolidinyl) phenyl saccharide

Publications (2)

Publication Number Publication Date
JPS5141353A JPS5141353A (en) 1976-04-07
JPS58411B2 true JPS58411B2 (en) 1983-01-06

Family

ID=14494532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10882774A Expired JPS58411B2 (en) 1974-09-24 1974-09-24 2- (2-oxo-1-pyrrolidinyl) phenyl saccharide

Country Status (1)

Country Link
JP (1) JPS58411B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046193Y2 (en) * 1986-02-28 1992-02-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046193Y2 (en) * 1986-02-28 1992-02-20

Also Published As

Publication number Publication date
JPS5141353A (en) 1976-04-07

Similar Documents

Publication Publication Date Title
US4196292A (en) 6-Substituted amiloride derivatives
EP0139584A2 (en) Imidazoline derivatives, their preparation and therapeutical use
Nyc et al. Synthesis of a biologically active nicotinic acid precursor: 2-amino-3-hydroxybenzoic acid
JPS58411B2 (en) 2- (2-oxo-1-pyrrolidinyl) phenyl saccharide
FR2551063A1 (en) New 2,5-dimethylpyrroles, process for preparing them and their therapeutic use
JPS6031823B2 (en) Method for producing carbazole derivatives
JPS6024777B2 (en) Method for producing alkaline earth metal salt of aliphatic β-keto compound
US4370493A (en) Synthesis of alpha-amino acids
US4371705A (en) Synthesis of alpha-amino acids
JPS584698B2 (en) Method for producing 2-(3-benzoylphenyl)propionic acid
Adam et al. XI.—Synthesis of arachidic acid and some long-chain compounds
JPS58412B2 (en) 2- (5-carboxy-2-oxo-1-pyrrolidinyl) phenyl saccharide
JPH0378384B2 (en)
US4375555A (en) Synthesis of alpha-amino acids
JPS6026395B2 (en) Synthesis method of N-trialkylsilylmethylurea
BE893835A (en) THIAZOLO (3,2, -A) SUBSTITUTED PYRIMIDINES AND PROCESS FOR THEIR PREPARATION
JPS6116264B2 (en)
JPS585194B2 (en) Method for producing DL-cysteine or cystine
KR850001036B1 (en) Process for the preparing of an amide of 2-amino-4-methylpyridine
JPS6051465B2 (en) 3-Methyl-3-[4-(1-oxo-2-isoindolinyl)phenyl]pyruvic acid esters
JP2767295B2 (en) Method for producing indole-3-carbonitrile compound
BE633582A (en)
JPS634546B2 (en)
JPH051262B2 (en)
KR910002282B1 (en) Process for the preparation of inden acetic acid