JPH01258666A - Novel substituted quinolinecarboxylic acid and production thereof - Google Patents

Novel substituted quinolinecarboxylic acid and production thereof

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Publication number
JPH01258666A
JPH01258666A JP20538988A JP20538988A JPH01258666A JP H01258666 A JPH01258666 A JP H01258666A JP 20538988 A JP20538988 A JP 20538988A JP 20538988 A JP20538988 A JP 20538988A JP H01258666 A JPH01258666 A JP H01258666A
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JP
Japan
Prior art keywords
formula
group
tables
formulas
general formula
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
JP20538988A
Other languages
Japanese (ja)
Other versions
JPH0250108B2 (en
Inventor
Tsutomu Irikura
勉 入倉
Hiroshi Koga
弘 古賀
Satoru Murayama
哲 村山
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.)
Kyorin Pharmaceutical Co Ltd
Original Assignee
Kyorin Pharmaceutical Co Ltd
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Filing date
Publication date
Application filed by Kyorin Pharmaceutical Co Ltd filed Critical Kyorin Pharmaceutical Co Ltd
Priority to JP20538988A priority Critical patent/JPH01258666A/en
Publication of JPH01258666A publication Critical patent/JPH01258666A/en
Publication of JPH0250108B2 publication Critical patent/JPH0250108B2/ja
Granted legal-status Critical Current

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Abstract

NEW MATERIAL:A substituted quinolinecarboxylic acid shown by formula I (R1 is halogen, piperazino or 4-methylpiperazino), salt and hydrate thereof. EXAMPLE:1-(2-Fluoroethyl)-6,7,8-trifluoro-1,4,-dihydro-4-oxoquinoline- 3-carboxylic acid. USE:A drug having stronger antibacterial power on Gram-negative bacteria. Characteristically having fluorines at the 6- and 8-positions and a halogen or piperazino derivative at the 7-position at the same time. PREPARATION:For example, a compound shown by formula II (R is H or lower alkyl) is reacted with a compound shown by formula III (X is halogen or eliminable group such as substituted sulfonyloxy) in the presence of a deoxidizer and optionally then hydrolyzed to give a compound shown by formula I.

Description

【発明の詳細な説明】 本発明は新規置換キノリンカルボン酸及びその製造法に
関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to novel substituted quinoline carboxylic acids and processes for their production.

ナリジクス酸、ピロミド酸及びピペミド酸はグラム陰性
菌感染症に有効な安全性の高い合成抗菌剤として臨床的
に広く用いられている。しかしながらこれらの薬剤はグ
ラム陰性菌、あるいは難治性感染症の原因菌の一つであ
り、有効な薬剤が少ない緑膿菌に対して非常に弱い抗菌
力しか有していない。本発明者らは、先に1−(2−フ
ルオロエチル)−1,4−ジヒドロ−4−オキソキノリ
ン−3−カルボン酸の6位にフッ素原子、7位にピペラ
ジン又は置換ピペラジンを有する化合物が緑膿菌を含む
グラム陰性菌並びにグラム陰性菌に対して強い抗菌力を
有することを報告した[日本薬学会第98年会(昭和5
3年4月、岡山)、講演要旨集、P、233 、特開昭
55−47658号]0本発明者らはその後この関連化
合物について、更に検討し、6位及び8位にフッ素原子
、7位にハロゲン原子又はピペラジノ誘導体を同時に有
する6、7゜8−トリ置換体は、6.7−又は7.8−
ジ1換体よりもグラム陰性菌に対してより強い抗菌力を
有することを見出した。
Nalidixic acid, pyromidic acid, and pipemidic acid are widely used clinically as highly safe synthetic antibacterial agents effective against Gram-negative bacterial infections. However, these drugs have very weak antibacterial activity against Gram-negative bacteria or Pseudomonas aeruginosa, which is one of the causative agents of refractory infections and for which there are few effective drugs. The present inventors previously discovered that a compound having a fluorine atom at the 6-position and a piperazine or substituted piperazine at the 7-position of 1-(2-fluoroethyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid reported that it has strong antibacterial activity against Gram-negative bacteria and Gram-negative bacteria including Pseudomonas aeruginosa [98th Annual Meeting of the Pharmaceutical Society of Japan (1932)]
(April 2003, Okayama), Lecture Abstracts, P, 233, JP-A-55-47658] The present inventors then further investigated this related compound, and found that fluorine atoms at the 6th and 8th positions, and 7th position A 6,7°8-tri-substituted product simultaneously having a halogen atom or a piperazino derivative at the 6,7- or 7.8-
It was found that it has stronger antibacterial activity against Gram-negative bacteria than di-1 conversion.

すなわち、本発明は下記の一般式[11で表される置換
キノリンカルボン酸 [式中、R1はハロゲン原子、ピペラジノ基又は4−メ
チルピペラジノ基を表す] 及びその生理学的に許容される塩及び水和物を提供する
ものである。
That is, the present invention provides substituted quinoline carboxylic acids represented by the following general formula [11] [wherein R1 represents a halogen atom, a piperazino group, or a 4-methylpiperazino group], and physiologically acceptable salts and hydrates thereof. It is something that provides something.

また、−数式 [I]の化合物の塩としてはナトリウム
、カリウム、カルシウム、マグネシウム、アルミニウム
、セリウム、クロム、コバルト、銅、鉄、銀、亜鉛等の
金属塩及び有機塩基の塩、更に塩酸、硫酸、リン酸等の
無機酸塩、酢酸、乳酸、メタンスルホン酸等の有機酸塩
等が例示できる。
In addition, salts of the compound of formula [I] include metal salts such as sodium, potassium, calcium, magnesium, aluminum, cerium, chromium, cobalt, copper, iron, silver, and zinc, and salts of organic bases, as well as hydrochloric acid, sulfuric acid, etc. , inorganic acid salts such as phosphoric acid, and organic acid salts such as acetic acid, lactic acid, and methanesulfonic acid.

本出願はまた、本発明化合物の製造法を下記の通り開示
する。すなわち 1)−数式[I!] [式中、Rは水素原子、又は低級アルキル基を表し、R
1はハロゲン原子、ピペラジノ基又は4−メチルピペラ
ジノ基を表す]で表される化合物と次の一般式[++1
]FC82C82X            [+11
 ][式中、Xはハロゲン原子又は置換スルホニルオキ
シ基等の脱離基を表す] で表される化合物とを脱酸剤の存在下で反応させ、要す
れば、次いで加水分解することを特徴とする下記の一般
式[I] [式中、R3は前記と同様の意味を有する] で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法を提供する。
The present application also discloses methods for preparing the compounds of the present invention as described below. That is, 1) - formula [I! ] [In the formula, R represents a hydrogen atom or a lower alkyl group, and R
1 represents a halogen atom, piperazino group or 4-methylpiperazino group] and the following general formula [++1
]FC82C82X [+11
] [In the formula, X represents a leaving group such as a halogen atom or a substituted sulfonyloxy group] is reacted with the compound represented by the following in the presence of an acid absorber, and if necessary, then hydrolyzed. Provided is a method for producing a substituted quinoline carboxylic acid represented by the following general formula [I] [wherein R3 has the same meaning as above], and salts and hydrates thereof.

脱酸剤としては有機及び無機の塩基(例えばトリエチル
アミン、ピリジン、水酸化アルカリ、炭酸アルカリ等)
が用いられる。反応は溶媒(例えば水、DMF 、アル
コール、アセトン等)中、又は無溶媒下で行われる。
Organic and inorganic bases (e.g. triethylamine, pyridine, alkali hydroxide, alkali carbonate, etc.) can be used as deoxidizing agents.
is used. The reaction is carried out in a solvent (eg water, DMF, alcohol, acetone, etc.) or without solvent.

FCH2C82X又は脱酸剤が液体の場合は溶媒を兼ね
させてもよい。
When FCH2C82X or the deoxidizing agent is liquid, it may also serve as a solvent.

2)−数式[IV] [式中、Xはハロゲン原子を表す] で表される化合物と次の一般式 [V]R2H[V ] [式中、R2はピペラジノ基又は4−メチルピペラジノ
基を表す] で表される化合物とを反応させることを特徴とする下記
の一般式[V1] [式中、R2は前記と同様の意味を有する] で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法を提供する。
2) - A compound represented by the formula [IV] [wherein, X represents a halogen atom] and the following general formula [V]R2H[V] [wherein, R2 represents a piperazino group or a 4-methylpiperazino group] ] A substituted quinoline carboxylic acid represented by the following general formula [V1] [wherein R2 has the same meaning as above], and its salt and water Provides a method for manufacturing Japanese products.

本反応は、溶媒中又は無溶媒下、脱酸剤の存在下反応さ
せるのが望ましいが、R2Hを過剰に用いて脱酸剤ある
いは溶媒を兼ねさせてもよい。
This reaction is preferably carried out in a solvent or without a solvent in the presence of a deoxidizing agent, but R2H may be used in excess to serve as a deoxidizing agent or a solvent.

3)−数式[■] [式中、R1は前記と同様の意味を有する] で表される化合物と次の一般式[■] R50CH−C(COORs) 2         
[■][式中、R3は低級アルキル基を表すコで表され
る化合物とを反応させ一般式 [IX][式中、R2及
びR5は前記と同様の意味を有する] で表される化合物を得、次いで閉環剤(ポリリン酸、ポ
リリン酸エステル、オキシ塩化リン、無水酢酸、硫酸等
)を作用させ、次いで、要すれば、加水分解することを
特徴とする下記の一般式[11 [式中、R,は前記と同様の意味を有する〕 で表される@換ギノリンヵルボン酸、及びその塩及び水
和物の製造法を提供する。
3) - Compound represented by the formula [■] [In the formula, R1 has the same meaning as above] and the following general formula [■] R50CH-C(COORs) 2
[■] [In the formula, R3 represents a lower alkyl group] A compound represented by the general formula [IX] [In the formula, R2 and R5 have the same meanings as above] The following general formula [11 [Formula wherein R has the same meaning as defined above] Provided is a method for producing @-substituted ginoline carboxylic acid, and salts and hydrates thereof.

4)−数式[X] [式中、R,及びR3は前記と同様の意味を有する] で表される化合物を加水分解することを特徴とする下記
の一般式[1] [式中、R3は前記と同様の意味を有する] で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法を提供する。
4) - The following general formula [1] [wherein R3 is characterized by hydrolyzing the compound represented by the formula [X] [wherein R and R3 have the same meanings as above] has the same meaning as above] Provided are substituted quinoline carboxylic acids represented by the following, and methods for producing salts and hydrates thereof.

5)式[XI] で表される化合物に還元剤(蟻酸、水素化ホウ素ナトリ
ウム、接触還元剤等)の存在下、ホルムアルデヒドを反
応させることを特徴とする式[刈] で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法を提供する。
5) Substituted quinoline represented by the formula [Kari] characterized by reacting formaldehyde with the compound represented by the formula [XI] in the presence of a reducing agent (formic acid, sodium borohydride, catalytic reducing agent, etc.) Provided are methods for producing carboxylic acids, salts and hydrates thereof.

6)式[XI] で表される化合物に次の一般式 [−]CH3Y   
            [XIII ][式中、Yは
ハロゲン原子、アシルオキシ基、置換スルボニルオキシ
基等の脱離基を表す] で表される化合物を反応させることを特徴とする下記の
式[X[1] で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法を提供する6 本反応は、反応中生成する)IYを補足するための脱酸
剤の存在下で行うのが望ましい。反応は一般に溶媒中(
水、アルコール、アセトン、エーテル、DMF%DMS
O等)で行うのが好ましいが、C)13Yあるいは脱酸
剤を過剰に用いて溶媒を兼ねさせる場合もある。
6) The compound represented by formula [XI] has the following general formula [-]CH3Y
[XIII] [wherein Y represents a leaving group such as a halogen atom, an acyloxy group, or a substituted sulfonyloxy group] This reaction is preferably carried out in the presence of a deoxidizing agent to capture IY (formed during the reaction). The reaction is generally carried out in a solvent (
Water, alcohol, acetone, ether, DMF%DMS
It is preferable to use C) 13Y or an excess of a deoxidizer to serve as a solvent.

次に本発明は本発明化合物を活性成分として含有する製
薬組成物にもある。
The invention also resides in pharmaceutical compositions containing the compounds of the invention as active ingredients.

本発明化合物の人及び動物(魚類を含む)の治療及び予
防のためには一般の薬学的な投与形式が用いられる。明
確な投与形式及び投与基準は治療又は予防する個体の状
況に応じて適宜選択する事ができる。
Common pharmaceutical modes of administration are used for the treatment and prophylaxis of humans and animals (including fish) with the compounds of this invention. The precise administration format and administration standards can be appropriately selected depending on the circumstances of the individual to be treated or prevented.

剤型の代表的なものとして錠剤、丸剤、散剤、液剤、懸
濁剤、乳剤、顆粒剤、カプセル剤、坐剤、注射剤、軟膏
剤等を例示する事ができる。
Typical dosage forms include tablets, pills, powders, solutions, suspensions, emulsions, granules, capsules, suppositories, injections, and ointments.

軟膏剤等の有機基剤を用いる製剤においては本発明化合
物中の銀、亜鉛、セリウム等の金属塩の使用も好ましく
、有機基剤との親和性にも優れている。
In preparations using organic bases such as ointments, it is also preferable to use metal salts such as silver, zinc, and cerium in the compounds of the present invention, which have excellent affinity with organic bases.

本発明の内容を更に具体的に説明するため、以下の実施
例を述べる。
In order to explain the contents of the present invention more specifically, the following examples will be described.

実施例1 6.7.8−1−リフルオロ−1,4−ジヒドロ−4−
オキソキノリン−3−カルボン酸エチルエステルO,a
、;、無水炭酸カリウム2.2g、  1−ブロム−2
−フルオロエタン3.8g及びヨウ化ナトリウム4.5
8をDMF 30m1に加え90〜100 ℃で10時
間攪拌した。
Example 1 6.7.8-1-Refluoro-1,4-dihydro-4-
Oxoquinoline-3-carboxylic acid ethyl ester O,a
,;, 2.2 g of anhydrous potassium carbonate, 1-bromo-2
-3.8 g of fluoroethane and 4.5 g of sodium iodide
8 was added to 30ml of DMF and stirred at 90-100°C for 10 hours.

次いで溶媒を留去し残漬に水を加えて塩化メチレンで抽
出し、水洗、乾燥の後溶媒を留去した。
Next, the solvent was distilled off, water was added to the residue, extracted with methylene chloride, washed with water, dried, and then the solvent was distilled off.

この残渣に18%塩酸14m1及びエタノールL4a+
l及び水14mQを加え水冷し、析出結晶を濾取し、D
MF−エタノール混合溶媒(1:2)より再結晶し、1
−(2−フルオロエチル)−6,7,8−トリフルオロ
−1,4−ジヒドロ−4−オキソキノリン−3−カルボ
ン酸を白色粉末として0.34gを得た。
Add 14 ml of 18% hydrochloric acid and ethanol L4a+ to this residue.
1 and 14 mQ of water were added, cooled with water, and the precipitated crystals were collected by filtration.
Recrystallized from MF-ethanol mixed solvent (1:2), 1
0.34 g of -(2-fluoroethyl)-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid was obtained as a white powder.

mp : 2G8〜21.0℃ 分析値 Cl287NO3F4 CHN 計算値(X)  49.84 2.44  4.84実
測値鴎)  49.86 2.37  5.01実施例
2 l−(2−フルオロエチル)−6,7,8−トリフルオ
ロ−1,4−ジヒドロ−4−オキソキノリン−3−カル
ボンQ!tO,2g及び無水ピペラジン0.3gをピリ
ジン5miに加え油浴上140℃で6時間還流した。
mp: 2G8~21.0°C Analysis value Cl287NO3F4 CHN Calculated value (X) 49.84 2.44 4.84 Actual value 49.86 2.37 5.01 Example 2 l-(2-fluoroethyl) -6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carvone Q! 2 g of tO and 0.3 g of anhydrous piperazine were added to 5 ml of pyridine, and the mixture was refluxed on an oil bath at 140° C. for 6 hours.

次いで溶媒を留去し酢酸でpHを4にし、熱時不溶物を
濾去した。この濾液に塩酸を加えpuを1にし、析出結
晶を濾取し水から再結晶した。
Then, the solvent was distilled off, the pH was adjusted to 4 with acetic acid, and insoluble materials were filtered off when heated. Hydrochloric acid was added to this filtrate to bring the pu to 1, and the precipitated crystals were collected by filtration and recrystallized from water.

6.8−ジフルオロ−1−(2−フルオロエチル)−1
,4−ジヒドロ−4−オキソ−7−(1−ピペラジニル
)−キノリン−3−カルボン酸塩酸塩を無色板状晶とし
てo、oqg得た。
6.8-difluoro-1-(2-fluoroethyl)-1
, 4-dihydro-4-oxo-7-(1-piperazinyl)-quinoline-3-carboxylic hydrochloride hydrochloride was obtained as colorless plate crystals in an oqg amount.

mp : 291〜294℃(分解) 分析値 Cl81116N303F3・HCICHN 計算値(豹 49.05 4.37 10.73実測値
(64)  49.04 4.36 10.68実施例
3 l−(2−フルオロエチル)−6,7,8−トリフルオ
ロ−1,4−ジヒドロ−4−オキソキノリン−3−カル
ボン酸0.12g及び1−メチルビペラジン0.34g
をピリジン3m、Qに加え油浴上140℃で6時間還流
した。
mp: 291-294°C (decomposition) Analysis value Cl81116N303F3・HCICHN Calculated value (Leopard 49.05 4.37 10.73 Actual value (64) 49.04 4.36 10.68 Example 3 l-(2-fluoro 0.12 g of ethyl)-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid and 0.34 g of 1-methylbiperazine
was added to 3M of pyridine and Q, and the mixture was refluxed on an oil bath at 140°C for 6 hours.

次いで溶媒を留去し酢酸でpHを4にし、熱時不溶物を
濾去した。この濾液に塩酸を加えpHを1にし、析出結
晶を濾取し、水から再結晶した。
Then, the solvent was distilled off, the pH was adjusted to 4 with acetic acid, and insoluble materials were filtered off when hot. Hydrochloric acid was added to this filtrate to adjust the pH to 1, and the precipitated crystals were collected by filtration and recrystallized from water.

6.8−ジフルオロ−1−(2−フルオロエチル)−1
,4−ジヒドロ−4−オキソ−7−(4−メチル−1−
ピペラジニル)−キノリン−3−カルボン酸塩酸塩を黄
色針状晶として0.08g得た。
6.8-difluoro-1-(2-fluoroethyl)-1
,4-dihydro-4-oxo-7-(4-methyl-1-
0.08 g of yellow needle-like crystals of (piperazinyl)-quinoline-3-carboxylic hydrochloride was obtained.

mp : 269〜271℃(分解) 分析値 C+7)1+aNs03F3・l+clCHN 計算値鴎)  50.32 4.72 10.36実測
値鴎)  50.12 4.97 10.24試験例1 実施例で得た化合物について抗菌試験を行った。その結
果は第1表に示す通りである。試験方法は日本化学療法
学会指定の方法[日木化学療法学会編:最少発育阻止濃
度(MIG)測定法改定について、日本化学療法学会雑
誌、22巻6号、1126〜1128頁 (1974年
)]に準じた。
mp: 269-271°C (decomposition) Analysis value C+7) 1+aNs03F3・l+clCHN Calculated value 50.32 4.72 10.36 Actual value 50.12 4.97 10.24 Test example 1 Obtained in Example Antibacterial tests were conducted on the compounds. The results are shown in Table 1. The test method is the method specified by the Japanese Chemotherapy Society [edited by the Japan Chemotherapy Society: Revision of the minimum inhibitory concentration (MIG) measurement method, Journal of the Japanese Chemotherapy Society, Vol. 22, No. 6, pp. 1126-1128 (1974)] According to.

本発明化合物は第1表に示したようにグラム陰性菌に対
し極めて強い抗菌活性を示すと同時にグラム陽性菌の中
でもブドウ球菌に対し強い活性を示した。
As shown in Table 1, the compounds of the present invention exhibited extremely strong antibacterial activity against Gram-negative bacteria, and also exhibited strong activity against Staphylococcus among Gram-positive bacteria.

第1表Table 1

Claims (1)

【特許請求の範囲】 1 一般式 ▲数式、化学式、表等があります▼ [式中、R_1はハロゲン原子、ピペラジノ基又は4−
メチルピペラジノ基を表す]で表される置換キノリンカ
ルボン酸及びその生理学的に許容される塩及び水和物。 2 一般式 ▲数式、化学式、表等があります▼ [式中、Rは水素原子又は低級アルキル基を表し、R_
1はハロゲン原子、ピペラジノ基又は4−メチルピペラ
ジノ基を表す]で表される化合物と次の一般式 FCH_2CH_2X [式中、Xはハロゲン原子又は置換スルホニルオキシ基
等の脱離基を表す]で表される化合物とを脱酸剤の存在
下で反応させ、要すれば、次いで加水分解することを特
徴とする下記一般式 ▲数式、化学式、表等があります▼ [式中、R_1はハロゲン原子、ピペラジノ基又は4−
メチルピペラジノ基を表す]で表される置換キノリンカ
ルボン酸、及びその塩及び水和物の製造法。 3 一般式 ▲数式、化学式、表等があります▼ [式中、Xはハロゲン原子を表す]で表される化合物と
次の一般式 R_2H [式中、R_2はピペラジノ基又は4−メチルピペラジ
ノ基を表す]で表される化合物とを反応させることを特
徴とする下記の一般式 ▲数式、化学式、表等があります▼ [式中、R_2はピペラジノ基又は4−メチルピペラジ
ノ基を表す]で表される置換キノリンカルボン酸、及び
その塩及び水和物の製造法。 4 一般式 ▲数式、化学式、表等があります▼ [式中、R_1はハロゲン原子、ピペラジノ基又は4−
メチルピペラジノ基を表す]で表される化合物と次の一
般式 R_3OCH=C(COOR_3)_2 [式中、R_3は低級アルキル基を表す]で表される化
合物とを反応させ、次いで閉環剤と反応させ、要すれば
、次いで加水分解することを特徴とする下記の一般式 ▲数式、化学式、表等があります▼ [式中、R_1はハロゲン原子、ピペラジノ基又は4−
メチルピペラジノ基を表す]で表される置換キノリンカ
ルボン酸、及びその塩及び水和物の製造法。 5 一般式 ▲数式、化学式、表等があります▼ [式中、R_1はハロゲン原子、ピペラジノ基又は4−
メチルピペラジノ基を表し、R_3は低級アルキル基を
表す]で表される化合物を加水分解することを特徴とす
る下記一般式 ▲数式、化学式、表等があります▼ [式中、R_1はハロゲン原子、ピペラジノ基又は4−
メチルピペラジノ基を表す]で表される置換キノリンカ
ルボン酸、及びその塩及び水和物の製造法。 6 式 ▲数式、化学式、表等があります▼ で表される化合物に還元剤の存在下、ホルムアルデヒド
を反応させることを特徴とする下記の式 ▲数式、化学式、表等があります▼ で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法。 7 式 ▲数式、化学式、表等があります▼ で表される化合物に次の一般式 CH_3Y [式中、Yはハロゲン原子、アシルオキシ 基、置換スルホニルオキシ基等の脱離基を表す]で表さ
れる化合物を反応させることを特徴とする下記の式 ▲数式、化学式、表等があります▼ で表される置換キノリンカルボン酸、及びその塩及び水
和物の製造法。
[Claims] 1 General formula ▲ Numerical formula, chemical formula, table, etc. ▼ [In the formula, R_1 is a halogen atom, a piperazino group, or a 4-
Substituted quinoline carboxylic acid represented by the following formula: methylpiperazino group, and its physiologically acceptable salts and hydrates. 2 General formula▲There are mathematical formulas, chemical formulas, tables, etc.▼ [In the formula, R represents a hydrogen atom or a lower alkyl group, and R_
1 represents a halogen atom, a piperazino group, or a 4-methylpiperazino group] and the following general formula FCH_2CH_2X [wherein, X represents a halogen atom or a leaving group such as a substituted sulfonyloxy group] The following general formula ▲ includes mathematical formulas, chemical formulas, tables, etc. ▼ [In the formula, R_1 is a halogen atom, a piperazine atom, etc.] group or 4-
A method for producing a substituted quinoline carboxylic acid represented by methylpiperazino group, and salts and hydrates thereof. 3. Compounds represented by the general formula ▲ Numerical formulas, chemical formulas, tables, etc. Substitution represented by the following general formula ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ [In the formula, R_2 represents a piperazino group or 4-methylpiperazino group] A method for producing quinolinecarboxylic acid and its salts and hydrates. 4 General formula ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ [In the formula, R_1 is a halogen atom, a piperazino group, or a 4-
methylpiperazino group] and a compound represented by the following general formula R_3OCH=C(COOR_3)_2 [wherein R_3 represents a lower alkyl group], and then reacted with a ring-closing agent. , if necessary, is then hydrolyzed by the following general formula ▲ Numerical formula, chemical formula, table, etc. ▼ [In the formula, R_1 is a halogen atom, a piperazino group, or a 4-
A method for producing a substituted quinoline carboxylic acid represented by methylpiperazino group, and salts and hydrates thereof. 5 General formula ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ [In the formula, R_1 is a halogen atom, a piperazino group, or a 4-
Represents a methylpiperazino group, R_3 represents a lower alkyl group] The following general formula ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ [In the formula, R_1 is a halogen atom, piperazine group or 4-
A method for producing a substituted quinoline carboxylic acid represented by methylpiperazino group, and salts and hydrates thereof. 6 Formula ▲There are mathematical formulas, chemical formulas, tables, etc.▼ Represented by the following formula ▲There are mathematical formulas, chemical formulas, tables, etc.▼ characterized by reacting formaldehyde in the presence of a reducing agent with the compound represented by Method for producing substituted quinoline carboxylic acid, salts and hydrates thereof. 7 The compound represented by the formula ▲ There are mathematical formulas, chemical formulas, tables, etc. A method for producing a substituted quinoline carboxylic acid, and its salts and hydrates, represented by the following formula ▲ There are mathematical formulas, chemical formulas, tables, etc.
JP20538988A 1988-08-18 1988-08-18 Novel substituted quinolinecarboxylic acid and production thereof Granted JPH01258666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20538988A JPH01258666A (en) 1988-08-18 1988-08-18 Novel substituted quinolinecarboxylic acid and production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20538988A JPH01258666A (en) 1988-08-18 1988-08-18 Novel substituted quinolinecarboxylic acid and production thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP675990A Division JPH02231477A (en) 1990-01-16 1990-01-16 Production of novel substituted qunolinecarboxylic acid

Publications (2)

Publication Number Publication Date
JPH01258666A true JPH01258666A (en) 1989-10-16
JPH0250108B2 JPH0250108B2 (en) 1990-11-01

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Family Applications (1)

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JP20538988A Granted JPH01258666A (en) 1988-08-18 1988-08-18 Novel substituted quinolinecarboxylic acid and production thereof

Country Status (1)

Country Link
JP (1) JPH01258666A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275141A1 (en) 1999-03-17 2011-01-19 Daiichi Pharmaceutical Co., Ltd. Tastemasked pharmaceutical compositions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547658A (en) * 1978-09-29 1980-04-04 Kyorin Pharmaceut Co Ltd Substituted quinolinecarboxylic acid derivative

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547658A (en) * 1978-09-29 1980-04-04 Kyorin Pharmaceut Co Ltd Substituted quinolinecarboxylic acid derivative

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275141A1 (en) 1999-03-17 2011-01-19 Daiichi Pharmaceutical Co., Ltd. Tastemasked pharmaceutical compositions

Also Published As

Publication number Publication date
JPH0250108B2 (en) 1990-11-01

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