[go: up one dir, main page]

JPS5899480A - Novel chroman derivative - Google Patents

Novel chroman derivative

Info

Publication number
JPS5899480A
JPS5899480A JP19609781A JP19609781A JPS5899480A JP S5899480 A JPS5899480 A JP S5899480A JP 19609781 A JP19609781 A JP 19609781A JP 19609781 A JP19609781 A JP 19609781A JP S5899480 A JPS5899480 A JP S5899480A
Authority
JP
Japan
Prior art keywords
compound
formula
dione
heating
spiro
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
JP19609781A
Other languages
Japanese (ja)
Other versions
JPS634831B2 (en
Inventor
Yutaka Yamamoto
豊 山本
Yujiro Yamamoto
山本 佑二郎
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.)
SENJIYU SEIYAKU KK
Senju Pharmaceutical Co Ltd
Original Assignee
SENJIYU SEIYAKU KK
Senju Pharmaceutical Co 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 SENJIYU SEIYAKU KK, Senju Pharmaceutical Co Ltd filed Critical SENJIYU SEIYAKU KK
Priority to JP19609781A priority Critical patent/JPS5899480A/en
Publication of JPS5899480A publication Critical patent/JPS5899480A/en
Publication of JPS634831B2 publication Critical patent/JPS634831B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

NEW MATERIAL:The 6-(lower alkyl) mercapto-spiro-[chroman-4,4'-imidazolidine]-2',5'-dione of formulaI(R is lower alkyl). EXAMPLE:6-Methylmercapto-spiro-[chroman-4,4'-idimazolidine]-2',5'-dione. USE:An AR (aldose reductase) inhibiting agent and an agent for suppressing the swelling of the crystalline lens. PROCESS:The compound of formulaIis prepared by (1) reacting the compound of formula V with acrylonitrile preferably in the presence of a reaction accelerator such as ''Triton B '' preferably in a solvent such as hydrated methanol, (2) hydrolyzing the resultant compound of formula IV e.g. by heating with concentrated hydrochloric acid, to obtain the compound of formula III, (3) heating the compound in the presence of a dehydrating agent such as polyphosphoric acid to effect the intramolecular cyclization, and (4) reacting the resultant compound of formula II with e.g. potassium cyanide and ammonium carbonate.

Description

【発明の詳細な説明】 本発明は新規なタロマン誘導体に関する。[Detailed description of the invention] The present invention relates to novel taloman derivatives.

次式[Y]で示されるスピロ−[タロマン−4゜4′−
イミダゾリジン]−2’、ff−ジオン06位にフッ素
、塩素、臭素もしくはメトキシ基が置換し、または6.
7もしくは6.8位に2個の塩素が置換した化合物はす
でに発表されている(西独特許出願公告第1.l15.
915号、特公昭55−84182号、特開昭53−1
44575号)。
Spiro-[taloman-4゜4'-
imidazolidine]-2', ff-dione substituted with fluorine, chlorine, bromine or methoxy group at the 06 position, or 6.
Compounds in which two chlorines are substituted at the 7 or 6.8 position have already been announced (West German Patent Application Publication No. 1.l15.
No. 915, JP 55-84182, JP 53-1
No. 44575).

しかしながら、化合物[Y]がアルキルメルカプト基で
置換されたもの(↓未だ知られていない。
However, compounds in which the compound [Y] is substituted with an alkylmercapto group (↓not yet known).

本発明者らは置換基として低級アルキルメルカプト基を
有筆る化合物を合成し、それが有用な薬理活性を示すこ
とを発見して、本発明を確立するに至った。
The present inventors synthesized a notable compound having a lower alkylmercapto group as a substituent, discovered that it exhibited useful pharmacological activity, and established the present invention.

本発明は、式 で示される6−低級アルキルメルカプドースビロー[タ
ロマン−4,4′−イミダゾリジン] 2/ 、 5/
−ジオンよりなる新規クロマン誘導体である。
The present invention provides 6-lower alkyl mercapdose birow [taloman-4,4'-imidazolidine] 2/, 5/
- It is a new chroman derivative consisting of dione.

本発明の化合物は、たとえば、下記のようにして製造さ
れうる。
The compound of the present invention can be produced, for example, as follows.

先ス、p−低級アルキルメルカプトフェノールをアクリ
ロニトリルと反応させて3−(p−低級アルキルメルカ
プトフェノキシ)プロピオニトリル〔n′〕を得る。こ
の反応は、好ましくはトリトンBのような促進剤の存在
下に溶媒中で行われる。
First, p-lower alkylmercaptophenol is reacted with acrylonitrile to obtain 3-(p-lower alkylmercaptophenoxy)propionitrile [n']. This reaction is preferably carried out in a solvent in the presence of a promoter such as Triton B.

溶媒の好ましい例は含水メタノールである。A preferred example of the solvent is aqueous methanol.

化合物[IV]を加水分解すれば相当するカルボン酸す
なわち3−(p−低級アルキルメルカプトフェノキシ〕
−プロピオン酸〔■〕が得られる。
When compound [IV] is hydrolyzed, the corresponding carboxylic acid, namely 3-(p-lower alkylmercaptophenoxy)
-Propionic acid [■] is obtained.

加水分解は、たとえば濃塩酸と加熱することによって行
われる。
Hydrolysis is carried out, for example, by heating with concentrated hydrochloric acid.

次に化合物[INを分子内閉環反応に付じて4−低級ア
ルキルメルカプト−4−タロマノン[II]を得る。こ
の反応は化合物[■]をポリリン酸のような脱水剤と加
熱することによって行われる。
Next, the compound [IN is subjected to an intramolecular ring closure reaction to obtain 4-lower alkylmercapto-4-talomanone [II]. This reaction is carried out by heating the compound [■] with a dehydrating agent such as polyphosphoric acid.

続いて、化合物[U]に、たとえばシアンカリウムと炭
酸アンモニクムを作用させると本発明の6−低級アルキ
ルメルカプドースピロー[タロマン−4,4′−イミダ
ゾリジン]−1,5’−ジオン[Ilが得られる。
Subsequently, when the compound [U] is reacted with, for example, potassium cyanide and ammonium carbonate, the 6-lower alkylmercapdose pyro[taloman-4,4'-imidazolidine]-1,5'-dione [Il is obtained.

反応は、たとえば、エタノール、ジオキサン、エチレン
グリコール、ジメチルホルムアミドのような水溶性含酸
素有機溶媒を用い、耐圧容器中で溶媒の沸点以上に加熱
して行うこともできるが。
The reaction can also be carried out, for example, by using a water-soluble oxygen-containing organic solvent such as ethanol, dioxane, ethylene glycol, or dimethylformamide, and heating it to a temperature above the boiling point of the solvent in a pressure-resistant container.

沸点未満の温間で行うこともできる。It can also be carried out at temperatures below the boiling point.

上記の反応は次式に示される。The above reaction is shown in the following equation.

〔n′〕[n′]

〔■〕〔。〕 C式中、Rは低級アルキル基を表わす)化合物[Ilは
構造式中に不岑炭素を有するので、通常ラセミ型として
得られ、るが、これは公知の方法により、たとえばプル
シン、シンコニジンのような光学活性の塩基を低級アル
コール中で作用させて偏左右異性体塩を生成させ、これ
を分別結晶したのち酸で分解することにより、光学分割
することができる。
[■] [. [In the formula C, R represents a lower alkyl group] Compound [Il has an essential carbon in the structural formula, so it is usually obtained as a racemic type, but this can be obtained by a known method, such as purusin, cinchonidine, etc. Optical resolution can be achieved by reacting such an optically active base in a lower alcohol to produce a left-right isomer salt, which is fractionally crystallized and then decomposed with an acid.

化合物(Ilは著るしいAR阻害作用を有する。Compound (Il) has a significant AR inhibitory effect.

代表的な6−2メチルメルカプドースビロー〔クロ(1
)人胎盤ARの阻害作用 上記化合物(A)のアルドース還元酵素活性の阻害作用
をS、 Haymen eb al、 、 Journ
al of Bi。
Typical 6-2 methyl mercapdose billow [chloro(1
) Inhibitory effect on human placenta AR The inhibitory effect of the above compound (A) on aldose reductase activity was determined by S. Haymen et al., Journal.
al of Bi.

logical ChemistrytVol、240
,877(1965)およびJin H,Kinosh
i’ta et al、、Metabolism。
Logical Chemistry Vol, 240
, 877 (1965) and Jin H, Kinosh.
i'ta et al., Metabolism.

VOl、281Nr、4.5uE)1)11,462(
1979)等に記載された方法に準じて試験した。試験
に使用した酵素は人胎盤からとった部分的に精製された
アルドース還元酵素である。比較のために既知化合物6
−フルオル−スピロ−[タロマン−4,4′−イミダゾ
リジノ] −2/ 、 5/−ジオン(B)を用い、化
合物の濃度を種々変更して各濃度における酵素活性を測
定し、活性−阻害率をチとして表記する。
VOl, 281Nr, 4.5uE) 1) 11,462(
The test was conducted according to the method described in (1979) et al. The enzyme used in the test was partially purified aldose reductase from human placenta. Known compound 6 for comparison
-Fluoro-spiro-[taloman-4,4'-imidazolidino]-2/, 5/-dione (B) was used, the concentration of the compound was varied, the enzyme activity at each concentration was measured, and the activity-inhibition rate was determined. is expressed as chi.

(幻 ラット水晶体培養法での水晶体膨潤抑制作用(3
0mMキジローズ添加培養液中で48時間培養・) 前記A、B両化金化合物ット水晶体培養法による水晶体
膨潤抑制効果をH,Obazawa et al、。
(Illusion: Suppression of crystalline lens swelling in rat lens culture method (3)
Cultured for 48 hours in a culture medium supplemented with 0mM Pheasant Rose. The effect of suppressing lens swelling by the A and B amphoteric gold compound lens culture method was reported by H. Obazawa et al.

工nvest、ophtha1mox Vol 13.
IJr、3,2Q4(1974)に記載された方法によ
って試験した。
Engineering best, ophthalmox Vol 13.
IJr, 3, 2Q4 (1974).

各化合物について得られた結果は水晶体の膨潤抑制率と
して次表に示す。
The results obtained for each compound are shown in the following table as the swelling inhibition rate of the crystalline lens.

米水分(1wv)/乾燥重量(I Qiy)以上のよう
に、本発明の化合物は化合物(B)にくらべ、五R明書
作用および水晶体膨潤抑制作用がすぐれている。
As can be seen from the rice water content (1wv)/dry weight (I Qiy), the compound of the present invention is superior to compound (B) in its five-R clarification effect and lens swelling-inhibiting effect.

次に実施例の形で本発明化合物の製造例を示す。Next, production examples of the compounds of the present invention will be shown in the form of examples.

実施例 p−メチルメルカプトフェノール(1oF)とアクリロ
ニトリル(57F)との混合物に攪拌しながら少量のト
リトンB(ベンジルトリメチルアンモニクムヒドロキシ
ド)の401メタノール溶液1.5−を加え、18時間
加熱還流、攪拌を続−けたのち、反応混合物を室温に放
置した。クロロホルム200meを加えて不溶物を沖去
し、F液を5%Na0)T水溶液10meずつで8回、
次いで希塩酸10meずつで2回、最後に水2Omeず
つで3回水洗し、無水Na2SO4で乾燥後、溶媒を留
去して粗結晶11yを得た。これを95%エタノールか
ら再結晶して、無色針状晶、mp84−86℃の3−(
p−メチルメルカプト7エ/キシ)プロピオニトリル1
0.7 ? (収率78%〕を得た。
Example p-To a mixture of methylmercaptophenol (1oF) and acrylonitrile (57F) was added a small amount of 401 methanol solution 1.5- of Triton B (benzyltrimethylammonicum hydroxide) with stirring, and heated under reflux for 18 hours. After continued stirring, the reaction mixture was left at room temperature. Add 200me of chloroform to remove insoluble matter, and add 10me of 5% Na0)T aqueous solution to solution F 8 times.
Next, it was washed twice with 10 me each of diluted hydrochloric acid and finally three times with 20 me each of water, dried over anhydrous Na2SO4, and the solvent was distilled off to obtain crude crystals 11y. This was recrystallized from 95% ethanol to give colorless needle crystals, mp 84-86°C, 3-(
p-Methylmercapto 7eth/xy)propionitrile 1
0.7? (Yield 78%) was obtained.

工R(KBr)cm   :2250.1600P M
 R(CD C/ B )δ:2.48(3H,EI)
、2.79(2H,t、J−7Hz)、416(2H,
t、J−7H2)、6.82(2H,dd、;−8H2
,1,5H2)。
Engineering R (KBr) cm: 2250.1600P M
R (CD C / B ) δ: 2.48 (3H, EI)
, 2.79 (2H, t, J-7Hz), 416 (2H,
t, J-7H2), 6.82 (2H, dd,;-8H2
, 1, 5H2).

7.28(2H,ad、J−8H2,1,5H2)3−
(p−メチルメルカプトフェノキシ)プロピオニトリル
(52〕を濃塩酸(約15me)に溶解し、18時間加
熱還流した。反応混合物を氷(約100y)上に注ぎ、
析出した結晶を沖取し。
7.28 (2H, ad, J-8H2,1,5H2)3-
(p-Methylmercaptophenoxy)propionitrile (52) was dissolved in concentrated hydrochloric acid (approximately 15 me) and heated under reflux for 18 hours. The reaction mixture was poured onto ice (approximately 100 y).
Offshore the precipitated crystals.

冷水で洗浄後、10チNaOH水溶液(約150m/)
に溶解した。不溶物を戸去し、涙液をHCI  酸性と
し、析出する結晶をp取し0、水洗後、クロロホルムに
加温しながら溶解した。グロロホルム層を乾燥後、溶媒
を留去して無色結晶の3−(p−メチルメルカプトフェ
ノキシ〕−プロピオン酸8.82(収率61%)を得た
After washing with cold water, 10 t NaOH aqueous solution (approx. 150 m/)
dissolved in. Insoluble materials were removed, the lachrymal fluid was acidified with HCI, and the precipitated crystals were removed to zero, washed with water, and then dissolved in chloroform with heating. After drying the gloloform layer, the solvent was distilled off to obtain 8.82 g of 3-(p-methylmercaptophenoxy)-propionic acid (yield: 61%) as colorless crystals.

工R(KBr)cm   :31QQ−25QQ(br
Engineering R (KBr) cm: 31QQ-25QQ (br
.

ad)、1680PMR(CDCl2:CDBOD−1
0:1)δ:2.70(2H,t、、T−7Hz)、4
27(2H1tlJ−7H2)1496(IHlb)、
6.88(2H,d4.J−8H2,1,5H2)17
.8″o(2’H、da 、 J−8H2、1,5−H
z )8−(’9−メチルメルカプトフェノキシ)プロ
ピオン酸(8,29)にポリリン酸(32F)を加え、
攪拌しながら水溶に、15分間加温した。反応混合物を
氷(約30(1)上に注ぎ、酢酸エチル70meずつで
8回抽出した。酢酸エチル層を無水My804で乾燥し
、乾燥剤を戸去し、p液から溶媒を留去′した。残った
液体を減圧蒸留して6−メチルメルカブトー4−クロマ
ノン2.or(ffl率69チ)を得た。bpH5−1
18℃(0,42Torr)−1゜ 工R(liquid  film)am   、298
0I2910.2870.1680.1595pMR(
cDcls)lj: 2.45(8H,+3)、2.7
9(2H1t、J−6H2)1451(2H,t、、T
−6H2)、fi、87(lH,d4.、T=13I(
Z、lH2)。
ad), 1680PMR (CDCl2:CDBOD-1
0:1) δ: 2.70 (2H, t, , T-7Hz), 4
27 (2H1tlJ-7H2) 1496 (IHlb),
6.88 (2H, d4.J-8H2, 1, 5H2) 17
.. 8″o(2’H, da, J-8H2, 1,5-H
z) Add polyphosphoric acid (32F) to 8-('9-methylmercaptophenoxy)propionic acid (8,29),
The aqueous solution was heated for 15 minutes while stirring. The reaction mixture was poured onto ice (approx. 30(1)) and extracted 8 times with 70ml of ethyl acetate. The ethyl acetate layer was dried with anhydrous My804, the desiccant was removed, and the solvent was distilled off from the p solution. The remaining liquid was distilled under reduced pressure to obtain 6-methylmercabuto-4-chromanone 2.or (ffl ratio 69). bpH 5-1
18℃(0.42Torr)-1℃R(liquid film)am, 298
0I2910.2870.1680.1595pMR(
cDcls) lj: 2.45 (8H, +3), 2.7
9 (2H1t, J-6H2) 1451 (2H,t,,T
-6H2), fi, 87(lH, d4., T=13I(
Z, lH2).

=7.39(lH,m)、7.75(lH,(1,J−
2I(Z)KcN(x、5’p)と(NI(4)2CO
3(Ml)の混合物に50%エタノール(20ml’)
を加え、攪拌しなから浴温64−66℃で67時間加温
した。反応混合物を氷水で冷却後、水(約15me)を
加え、(IN−HC/で酸性とし、析出する固体を戸数
し、充分水洗後、2N−NaOH(50m(りに溶解し
、酢酸エチル15meずつで3回抽出した。
=7.39(lH,m), 7.75(lH,(1,J-
2I(Z)KcN(x, 5'p) and (NI(4)2CO
50% ethanol (20 ml') to a mixture of 3 (Ml)
was added, and the mixture was heated at a bath temperature of 64-66°C for 67 hours without stirring. After cooling the reaction mixture with ice water, water (approximately 15 ml) was added, acidified with (IN-HC/), the precipitated solid was collected, washed thoroughly with water, and then dissolved in 2N-NaOH (50 ml) and 15 ml of ethyl acetate. Extracted three times.

アルカリ性水性層を6N−HC/で酸性とし、析出する
結晶を戸数し、水でよく洗浄し、減圧乾燥して粗結晶2
.1]を得た。これを95チエタノールから再結晶して
、無色プリズム晶、mp188カ ー189℃の(1/−メチルメiつ°ドースピロー〔タ
ロマン−4,4′−イミダゾリジンE−2’+5’−ジ
オン1.49 (収率37.5 % )を得た。
The alkaline aqueous layer was made acidic with 6N-HC/, and the precipitated crystals were collected, washed thoroughly with water, and dried under reduced pressure to obtain crude crystals 2.
.. 1] was obtained. This was recrystallized from 95% ethanol to give colorless prismatic crystals. (yield 37.5%).

IR(KBr)am   :aa5o、a2oo、ao
50.1780.1720 PMR(CDC/3:CD30D−5:3)δ:2.0
3−2.46(2H,m)、2.39(3HI El)
、2.93−4.8M4H,m)、6.73−7.47
(3H,m)元素分析値 組成式: C+2H+2N2
0aS計算値 C;5455.Ni455.Ni1O,
61測定値 C;5464.H;449.Ni10.5
7出 願 人 千寿製薬株式会社
IR(KBr)am :aa5o, a2oo, ao
50.1780.1720 PMR (CDC/3:CD30D-5:3) δ:2.0
3-2.46 (2H, m), 2.39 (3HI El)
, 2.93-4.8M4H, m), 6.73-7.47
(3H, m) Elemental analysis value Composition formula: C+2H+2N2
0aS calculation value C; 5455. Ni455. Ni1O,
61 measurement value C; 5464. H;449. Ni10.5
7 Applicant: Senju Pharmaceutical Co., Ltd.

Claims (1)

【特許請求の範囲】 式 で示さねる6−低級アルキルメルカプドースビロー〔タ
ロマン−4,4′−イミダゾリジン〕−27゜5′−ジ
オンよりなる新規クロマン誘導体
[Scope of Claims] A novel chroman derivative consisting of 6-lower alkylmercapdose [taloman-4,4'-imidazolidine]-27°5'-dione not represented by the formula
JP19609781A 1981-12-04 1981-12-04 Novel chroman derivative Granted JPS5899480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19609781A JPS5899480A (en) 1981-12-04 1981-12-04 Novel chroman derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19609781A JPS5899480A (en) 1981-12-04 1981-12-04 Novel chroman derivative

Publications (2)

Publication Number Publication Date
JPS5899480A true JPS5899480A (en) 1983-06-13
JPS634831B2 JPS634831B2 (en) 1988-02-01

Family

ID=16352161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19609781A Granted JPS5899480A (en) 1981-12-04 1981-12-04 Novel chroman derivative

Country Status (1)

Country Link
JP (1) JPS5899480A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317230U (en) * 1989-06-30 1991-02-20

Also Published As

Publication number Publication date
JPS634831B2 (en) 1988-02-01

Similar Documents

Publication Publication Date Title
CA2016326C (en) Pyrido-pyridazinone acetic acids for treating chronic diabetic complications
WO2021203014A1 (en) Pyrano[4,3-b]l ndole derivatives as alpha-1 -antitrypsin modulators for treating alpha-1 -antitrypsin deficiency (aatd)
Gilman et al. The Metalation of Phenothiazine1
JPS5899480A (en) Novel chroman derivative
US4906757A (en) Process for the preparation of dextrorotatory 3-(3-pyridyl)-1H,3H-pyrrolo [1,2-c]-7-thiazolecarboxylic acid
US4644064A (en) 1,2-benzisoxazoloxyethylamines and intermediates for the preparation thereof
US5574176A (en) Synthesis of an intermediate for the preparation of 5,6-dihydro-(s)-4-(ethylamino)-(s)-6-methyl-4h-thieno [2,3-b]thiopyran-2-sulfonamide 7,7-dioxide intermediates and related compounds
JPH03145468A (en) Production of carbostyryl derivative
US5206367A (en) Preparation of optically active spiro-hydantoins
IE45148B1 (en) Optically active 2-(2-phenyl-5-benzoxazolyl)propionic acids
KR870000584B1 (en) Regeneration of 6-fluoro-4-chromanone from 6-fluoro-4-ureidochroman-4-carboxylic acid
JPH04273877A (en) Novel imidazole derivative
CN113929612B (en) Preparation method of etodolac intermediate
Saldabol et al. Bromination of 2-acetyl-5-methylfuran
JPH08325265A (en) Production of thiazolylbenzofuran derivative, and compound used for the production
JP2002322181A (en) Production method for quinoline derivative
Vida et al. Investigation in the 3, 4-dihydrocoumarin melilotic acid series
JPS582955B2 (en) Spiro-quinolone hydantoins
JPH0489452A (en) Cyclic compound
JPH0114230B2 (en)
JP2641879B2 (en) Preparation of optically active hydantoin derivatives
NO121342B (en)
HU193191B (en) Process for preparing spiro-hetero-azolones
KR0139260B1 (en) Benzimidazole derivatives with cyclized imidazole
JP2733256B2 (en) 4-mercaptopyrazolidine derivative