JPH0154355B2 - - Google Patents
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- Publication number
- JPH0154355B2 JPH0154355B2 JP54123159A JP12315979A JPH0154355B2 JP H0154355 B2 JPH0154355 B2 JP H0154355B2 JP 54123159 A JP54123159 A JP 54123159A JP 12315979 A JP12315979 A JP 12315979A JP H0154355 B2 JPH0154355 B2 JP H0154355B2
- Authority
- JP
- Japan
- Prior art keywords
- group
- formula
- general formula
- ethylene
- methylene
- 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
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
本発明は、一般式()
(式中、Aはメチレン基又はエチレン基であ
り、BはAがメチレン基のときエチレン基であ
り、Aがエチレン基のときメチレン基又はエチレ
ン基であり、R1は1−メチル−1H−テトラゾー
ル−5−イルチオ基又は4−カルバモイルピリジ
ニウム−1−イル基である)
で表わされる新規セフアマイシン誘導体及びその
薬理上許容される塩並びに製造法に関するもので
ある。
本発明の前記一般式()を有するセフアマイ
シン誘導体又はその塩は新規化合物であり、すぐ
れた抗菌作用を有し、医薬として有用な化合物で
ある。セフアマイシン系化合物は、β−ラクタメ
ース産生菌に安定なセフアロスポリンとしてこれ
迄多くの誘導体が製造されてきたが、これらの公
知の化合物の中には、広い範囲、特にグラム陽性
及びグラム陰性の多くの菌に対して強い殺菌力を
示すものは極めて少ない。
本発明は、セフアマイシン誘導体の中に殺菌力
の優れた化合物を見出す目的で研究を重ねた結
果、前記一般式()で示される新規化合物が公
知のセフアマイシン誘導体が示すことができなか
つた優れた抗菌活性を有することを見い出し、本
発明を完成させた。
本発明の一般式()を有する化合物の薬理上
許容しうる塩としては、ナトリウム塩のようなア
ルカリ金属塩、L−リジン塩のような塩基性アミ
ノ酸塩が好適に存在し得る。7位未満アミノ酸は
D体とL体の2つの立体異性体の存在が可能であ
るが、本発明はこの両方の場合を含有する。抗菌
力は一般にD体の方が強い。
本発明の一般式()を有する化合物の具体例
としては次のような化合物があげられる。7β−
(3D−3−アミノ−3−カルボキシプロピルチオ
アセトアミド)−7α−メトキシ−3−(1−メチ
ル−1H−テトラゾール−5−イル)チオメチル
−3−セフエム−4−カルボン酸、7β−(3D−3
−アミノ−3−カルボキシプロピルチオアセトア
ミド)−7α−メトキシ−3−(p−カルバモイル
−ピリジウム)メチル−3−セフエム−4−カル
ボン酸、7β−(2D−2−アミノ−2−カルボキシ
エチルチオプロピオンアミド)−7α−メトキシ−
3−(1−メチル−1H−テトラゾール−5−イ
ル)チオメチル−3−セフエム−4−カルボン
酸、7β−(3D−3−アミノ−3−カルボキシプロ
ピルチオプロピオンアミド)−7α−メトキシ−3
−(1−メチル−1H−テトラゾール−5−イル)
チオメチル−3−セフエム−4−カルボン酸。
本発明の一般式()を有する化合物は、広範
囲の病原菌に対して優れた抗菌作用を示すが、そ
の一例をあげれば、次表の如くである。
The present invention is based on the general formula () (In the formula, A is a methylene group or an ethylene group, B is an ethylene group when A is a methylene group, and a methylene group or an ethylene group when A is an ethylene group, and R 1 is 1-methyl-1H- The present invention relates to a novel cefamycin derivative represented by the following formula (which is a tetrazol-5-ylthio group or a 4-carbamoylpyridinium-1-yl group), a pharmacologically acceptable salt thereof, and a manufacturing method. The cefamycin derivative or its salt having the general formula () of the present invention is a new compound, has excellent antibacterial activity, and is a compound useful as a medicine. Many derivatives of cefamycin compounds have been produced as cephalosporins, which are stable against β-lactamase-producing bacteria. There are very few that exhibit strong bactericidal activity against bacteria. The present invention has been made as a result of repeated research aimed at finding a compound with excellent bactericidal activity among cefamycin derivatives. They discovered that it has activity and completed the present invention. As the pharmacologically acceptable salt of the compound having the general formula () of the present invention, alkali metal salts such as sodium salts and basic amino acid salts such as L-lysine salts may suitably be present. The amino acids below the 7th position can exist in two stereoisomers, D-form and L-form, and the present invention includes both of these stereoisomers. The antibacterial activity is generally stronger in the D form. Specific examples of the compound having the general formula () of the present invention include the following compounds. 7β−
(3D-3-amino-3-carboxypropylthioacetamide)-7α-methoxy-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid, 7β-(3D- 3
-amino-3-carboxypropylthioacetamide)-7α-methoxy-3-(p-carbamoyl-pyridium)methyl-3-cephem-4-carboxylic acid, 7β-(2D-2-amino-2-carboxyethylthiopropion) amide)-7α-methoxy-
3-(1-Methyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid, 7β-(3D-3-amino-3-carboxypropylthiopropionamide)-7α-methoxy-3
-(1-methyl-1H-tetrazol-5-yl)
Thiomethyl-3-cephem-4-carboxylic acid. The compound having the general formula () of the present invention exhibits excellent antibacterial activity against a wide range of pathogenic bacteria, an example of which is shown in the following table.
【表】【table】
【表】
従つて、本発明の一般式()を有する化合物
は、細菌性疾患を治療するための医薬として有用
である。この目的のための投与形態としては、一
般には、静脈内もしくは筋肉注射又は、坐薬等に
よる非経口投与が好ましいが、錠剤、散剤、カプ
セル剤、シロツプ剤等による経口投与も可能であ
る。
本発明の一般式()を有する化合物は、公知
の方法例えば、公開特許公報昭53−141291号に記
載されている方法に準じて得られる一般式
():
(式中、A及びR1は上述の意味を表し、Zは
ハロゲン原子である)
を有する化合物又はその塩に、一般式():
(式中、Bは上述の意味を表す)
を有する化合物又はその塩を反応させて得られ
る。
式()におけるハロゲン原子としては、塩
素、臭素又はよう素が用いられるが、特に塩素、
臭素が好適である。
本発明において、前記一般式()で示される
化合物より前記式()で示される化合物を生成
させる反応は、通常不活性溶媒中、酸結合剤の存
在下で前記式()で示される化合物を作用させ
ることによつて実施することができる。この反応
に使用される溶媒としては、反応に関与しない溶
媒であれば特に限定なく使用できるが、水、メタ
ノール、アセトン等が好適である。酸結合剤であ
る炭酸水素アルカリ金属塩、トリアルキルアミ
ン、又はピリジン等の塩基を添加することによ
り、ほぼ中性条件下、室温又はそれ以下の温度で
両者は反応し、前記の式()で示される化合物
が得られる。反応に要する時間は、主にハロゲン
活性度、酸結合剤及び溶媒によつて異なるが、多
くの場合1〜5時間で反応が終了する。
本発明の化合物である一般式()を有する化
合物を製造する別法として、公知の方法、例えば
文献:ジヤーナル・オブ・アンテイバイオテイツ
クス29巻、554頁に記載の方法を適用して得られ
る式():
(式中、R1は上述の意味を表し、R2は脱離可
能なカルボキシル基の保護基である)
を有する化合物に、式():
(式中、X1は脱離可能なアミノ基の保護基を
表し、X2は脱離可能なカルボキシル基の保護基
を表し、A及びBは上述の意味を表し、YはOH
基又はカルボン酸を活性誘導体とする原子もしく
は原子団である)
で表わされる化合物を反応させた後、X1及びX2
を脱離することによつて得られる。
一般式()の化合物は式()
(式中、X1,X2及びBは上述の意味を表す)
の化合物に式()
Z−(A)−COOH ()
(式中、Zはハロゲン原子を表し、Aは上述の
意味を表す)
を反応させた後、チオニルクロライドのような酸
ハロゲン化剤、またはクロル炭酸エチルのような
混合酸無水物を作用させることによつて得られ
る。式()のX1はt−ブトキシカルボニル、
トリクロロエトキシカルボニル基のようなアミノ
基の保護器、X2及び式()のR2はジフエニル
メチル、トリクロロエチル等のカルボキシル基の
保護基であり、公知の方法によつて導入及び脱離
が可能である。式()のZのハロゲン原子は塩
素、臭素、ヨウ素で、特に臭素が好適である。
本発明において、前記一般式()で示される
化合物より前記()で示される化合物を生成さ
せる反応は、通常不活性溶媒中、アミド結合の形
成条件で、前記式()を有する化合物を作用さ
せることによつて実施することができる。この反
応に使用される溶媒としては反応に関与しない溶
媒であれば特に限定なく使用できる。例えばジク
ロルメタン、クロロホルム、ベンゼン、ジメチル
ホルムアミド等の有機溶媒が使用される。式
()の化合物が酸ハロゲナイドの場合には、酸
結合剤としてトリアルキルアミン、ピリジン等の
塩基の存在下室温又はそれ以下の温度で両者が反
応し、アミノ基、カルボキシル基の保護基を脱離
すれば、前記の式()で示される化合物が得ら
れる。反応に要する時間は主に、カルボン酸誘導
体の活性度によつて異なるが、多くの場合、1〜
5時間で反応が完了する。
式()のYがOH基の化合物の場合は、N,
N′−ジシクロヘキシルカルボジイミドのような
脱水縮合剤の存在下、式()の化合物と反応さ
せることによつて、式()で示される化合物が
得られる。
以上の如くして得られた一般式()で示され
る化合物は、反応混合物より常法によつて採取さ
れる。例えば、反応混合物を水で希釈して吸着レ
ジン又は活性炭に吸着させ、含水有機溶媒で溶出
して精製することができる。又必要があればセフ
アデツクスLH−20又はG−10(フアーマシア社
製)、ダイヤイオンHP−20(三菱化成製)のカラ
ムクロマトグラフイによつて精製、単離すること
が出来る。
本発明の方法で得られる一般式()で示され
る化合物はすべて新規化合物である。
次に本発明の実施例を示すが本発明はこれらに
よつてなんら限定されるものではない。
実施例 1
7β−ブロモアセトアミド−7α−メトキシ−3
−(1H−メチル−1H−テトラゾール−5−イル)
チオメチル−3−セフエム−4−カルボン酸960
mgを水20mlに懸濁し、炭酸水素ナトリウムを加え
てPH7として溶解させた。
D−ホモシステイン300mgを加えてPHを7から
7.5に保ちつつ、室温で1.5時間反応させた。
反応終了後、反応液のPHを5.5〜6.0に調整し、
少量に濃縮し、ダイヤイオンHP−20(三菱化成
製)150mlを充填したカラム(2×68cm)に吸着
させ、水で溶離した。目的物を含有するフラクシ
ヨンを集めて濃縮後、凍結乾燥して7β−(3D−3
−アミノ−3−カルボキシプロピルチオアセトア
ミド)−7α−メトキシ−3−(1−メチル−1H−
テトラゾール−5−イル)チオメチル−3−セフ
エム−4−カルボン酸ナトリウム塩390mgを得た。
シリカゲル薄層クロマトにおけるRf値:0.39
(n−ブタノール−酢酸−水=2:1:1)
実施例 2
7β−ブロモアセトアミド−7α−メトキシ−3
(p−カルバモイルピリジニウム)メチル−3−
セフエム−4−カルボン酸1.45gを水30mlに溶解
し、DL−ホモシステイン450mgを加え、溶液のPH
を7.0に維持し、室温で2時間反応させた。反応
終了後、実施例1と同様に処理して、7β−(3DL
−3−アミノ−3−カルボキシプロピルチオアセ
トアミド)−7α−メトキシ−3−(p−カルバモ
イルピリジニウム)メチル−3−セフエム−4−
カルボン酸600mgを得た。
シリカゲル薄層クロマトグラフイーにおける
Rf値:0.25(n−ブタノール:酢酸:水=2:
1:1)
実施例 3
7β−2−ブロモプロピオンアミド−7α−メト
キシ−3−(1−メチル−1H−テトラゾール−5
−イル)チオメチル−3−セフエム−4−カルボ
ン酸500mgを水10mlに懸濁し、炭酸水素ナトリウ
ムを加え、PHを7.0に調整したのち、D−システ
イン塩酸塩210mgを加え、反応液のPHを7.0から
7.5に保ちながら室温で2時間反応させた。反応
終了後、反応液のPHを6.0に調整し、少量に濃縮
して実施例1と同様に処理して7β−{2−(2D−
2−アミノ−2−カルボキシエチルチオ)プロピ
オンアミド}−7α−メトキシ−3−(1−メチル
−1H−テトラゾール−5−イル)チオメチル−
3−セフエム−4−カルボン酸ナトリウム塩230
mgを得た。
シリカゲル薄層クロマトグラフイーのRf値:
0.4(展開溶媒n−ブタノール:酢酸:水=2:
1:1)
実施例 4
7β−ブロモプロピオンアミド−7α−メトキシ
−3−(1−メチル−1H−テトラゾール−5−イ
ル)チオメチル−3−セフエム−4−カルボン酸
980mgを水20mlに懸濁し、炭酸水素ナトリウムを
加えPH7.0として溶解したのち、D−ホモシステ
イン325mgを加え、反応液のPHを7.0〜7.5に維持
し、2時間反応させた。反応液を実施例1と同様
に処理して、7β−(3D−3−アミノ−3−カルボ
キシプロピルチオプロピオンアミド)−7α−メト
キシ−3−(1−メチル−1H−テトラゾール−5
−イル)−チオメチル−3−セフエム−4−カル
ボン酸ナトリウム塩410mgを得た。
シリカゲル薄層クロマトグラフイーのRf値:
0.43(展開溶媒n−ブタノール:酢酸:水=2:
1:1)。[Table] Therefore, the compounds of the present invention having the general formula () are useful as medicaments for treating bacterial diseases. As for the administration form for this purpose, intravenous or intramuscular injection or parenteral administration in the form of suppositories and the like are generally preferred, but oral administration in the form of tablets, powders, capsules, syrups and the like is also possible. The compound having the general formula () of the present invention can be obtained according to a known method, for example, the method described in Published Patent Publication No. 141291/1989. (In the formula, A and R 1 represent the above-mentioned meanings, and Z is a halogen atom.) A compound or a salt thereof having the general formula (): (In the formula, B represents the above-mentioned meaning) It is obtained by reacting a compound having the following or a salt thereof. As the halogen atom in formula (), chlorine, bromine or iodine is used, especially chlorine,
Bromine is preferred. In the present invention, the reaction for producing the compound represented by the formula () from the compound represented by the general formula () is usually carried out in the presence of an acid binder in an inert solvent. It can be carried out by making it act. The solvent used in this reaction is not particularly limited as long as it does not participate in the reaction, but water, methanol, acetone, etc. are preferred. By adding an acid binder such as an alkali metal hydrogen carbonate, a trialkylamine, or a base such as pyridine, the two react under almost neutral conditions at room temperature or lower, and the above formula () is obtained. The indicated compound is obtained. The time required for the reaction varies mainly depending on the halogen activity, acid binder and solvent, but in most cases the reaction is completed in 1 to 5 hours. As an alternative method for producing the compound having the general formula (), which is the compound of the present invention, it can be obtained by applying a known method, for example, the method described in the literature: Journal of Antibiotics, Vol. 29, p. 554. formula(): (In the formula, R 1 represents the above-mentioned meaning, and R 2 is a removable carboxyl group protecting group) to a compound having the formula (): (In the formula, X 1 represents a removable protecting group for an amino group, X 2 represents a removable protecting group for a carboxyl group, A and B represent the above meanings, and Y is OH
X 1 and X 2
It can be obtained by eliminating . Compounds of general formula () are of formula () (wherein, X 1 , It can be obtained by reacting the following compounds, followed by the action of an acid halogenating agent such as thionyl chloride, or a mixed acid anhydride such as ethyl chlorocarbonate. X 1 in formula () is t-butoxycarbonyl,
A protector for an amino group such as a trichloroethoxycarbonyl group, X 2 and R 2 in formula () are a protector for a carboxyl group such as diphenylmethyl or trichloroethyl, and can be introduced and removed by known methods. be. The halogen atom of Z in formula () is chlorine, bromine or iodine, with bromine being particularly preferred. In the present invention, the reaction for producing the compound represented by the general formula () from the compound represented by the general formula () is performed by reacting the compound having the formula () under conditions for forming an amide bond, usually in an inert solvent. This can be done by The solvent used in this reaction is not particularly limited as long as it does not participate in the reaction. For example, organic solvents such as dichloromethane, chloroform, benzene, and dimethylformamide are used. When the compound of formula () is an acid halide, the two react at room temperature or lower in the presence of a base such as trialkylamine or pyridine as an acid binding agent to remove the protecting groups of amino and carboxyl groups. When separated, a compound represented by the above formula () is obtained. The time required for the reaction mainly depends on the activity of the carboxylic acid derivative, but in most cases, the time required for the reaction is
The reaction is completed in 5 hours. In the case of a compound where Y in formula () is an OH group, N,
By reacting with a compound of formula () in the presence of a dehydration condensation agent such as N'-dicyclohexylcarbodiimide, a compound of formula () can be obtained. The compound represented by the general formula () obtained as described above is collected from the reaction mixture by a conventional method. For example, the reaction mixture can be diluted with water, adsorbed on an adsorption resin or activated carbon, and purified by elution with a water-containing organic solvent. If necessary, it can be purified and isolated by column chromatography using Sephadex LH-20 or G-10 (manufactured by Pharmacia) or Diaion HP-20 (manufactured by Mitsubishi Kasei). All compounds represented by the general formula () obtained by the method of the present invention are new compounds. Next, examples of the present invention will be shown, but the present invention is not limited to these in any way. Example 1 7β-bromoacetamide-7α-methoxy-3
-(1H-methyl-1H-tetrazol-5-yl)
Thiomethyl-3-cephem-4-carboxylic acid 960
mg was suspended in 20 ml of water, and sodium hydrogen carbonate was added to make the solution pH 7. Add 300mg of D-homocysteine to increase pH from 7
The reaction was carried out at room temperature for 1.5 hours while maintaining the temperature at 7.5. After the reaction is complete, adjust the pH of the reaction solution to 5.5-6.0,
It was concentrated to a small amount, adsorbed on a column (2 x 68 cm) packed with 150 ml of Diaion HP-20 (manufactured by Mitsubishi Kasei), and eluted with water. Fractions containing the target product are collected, concentrated, and lyophilized to yield 7β-(3D-3
-amino-3-carboxypropylthioacetamide)-7α-methoxy-3-(1-methyl-1H-
390 mg of sodium salt of tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid was obtained. Rf value in silica gel thin layer chromatography: 0.39
(n-butanol-acetic acid-water=2:1:1) Example 2 7β-bromoacetamide-7α-methoxy-3
(p-carbamoylpyridinium)methyl-3-
Dissolve 1.45 g of cefem-4-carboxylic acid in 30 ml of water, add 450 mg of DL-homocysteine, and adjust the pH of the solution.
was maintained at 7.0 and allowed to react at room temperature for 2 hours. After the reaction is completed, the same treatment as in Example 1 is carried out to obtain 7β-(3DL
-3-amino-3-carboxypropylthioacetamide)-7α-methoxy-3-(p-carbamoylpyridinium)methyl-3-cephem-4-
600 mg of carboxylic acid was obtained. in silica gel thin layer chromatography
Rf value: 0.25 (n-butanol:acetic acid:water=2:
1:1) Example 3 7β-2-bromopropionamide-7α-methoxy-3-(1-methyl-1H-tetrazole-5
-yl)thiomethyl-3-cephem-4-carboxylic acid (500 mg) was suspended in 10 ml of water, sodium hydrogen carbonate was added to adjust the pH to 7.0, and 210 mg of D-cysteine hydrochloride was added to adjust the pH of the reaction solution to 7.0. from
The reaction was carried out at room temperature for 2 hours while maintaining the temperature at 7.5. After the reaction, the pH of the reaction solution was adjusted to 6.0, concentrated to a small amount, and treated in the same manner as in Example 1 to obtain 7β-{2-(2D-
2-amino-2-carboxyethylthio)propionamide}-7α-methoxy-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-
3-Cefem-4-carboxylic acid sodium salt 230
I got mg. Rf value of silica gel thin layer chromatography:
0.4 (Developing solvent n-butanol: acetic acid: water = 2:
1:1) Example 4 7β-bromopropionamide-7α-methoxy-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid
980 mg of the suspension was suspended in 20 ml of water, and sodium bicarbonate was added to dissolve the solution at a pH of 7.0. 325 mg of D-homocysteine was added, the pH of the reaction solution was maintained at 7.0 to 7.5, and the reaction was allowed to proceed for 2 hours. The reaction solution was treated in the same manner as in Example 1 to give 7β-(3D-3-amino-3-carboxypropylthiopropionamide)-7α-methoxy-3-(1-methyl-1H-tetrazole-5
410 mg of sodium salt of -yl)-thiomethyl-3-cephem-4-carboxylic acid was obtained. Rf value of silica gel thin layer chromatography:
0.43 (Developing solvent n-butanol: acetic acid: water = 2:
1:1).
Claims (1)
り、BはAがメチレン基のときエチレン基であ
り、Aがエチレン基のときメチレン基又はエチレ
ン基であり、R1は1−メチル−1H−テトラゾー
ル−5−イルチオ基又は4−カルバモイルピリジ
ウム−1−イル基である) で表わされる新規セフアマイシン誘導体及びその
薬理上許容される塩。 2 式 で表わされる特許請求の範囲第1項記載の新規セ
フアマイシン誘導体及びその薬理上許容される
塩。 3 式 で表わされる特許請求の範囲第1項記載の新規セ
フアマイシン誘導体及びその薬理上許容される
塩。 4 一般式 (式中、Zはハロゲン原子であり、Aはメチレ
ン基又はエチレン基であり、R1は1−メチル−
1H−テトラゾール−5−イルチオ基又は4−カ
ルバモイルピリジウム−1−イル基である) で表わされる化合物又はその塩に 一般式 (式中、BはAがメチレン基のときにはエチレ
ン基、Aはエチレン基のときはメチレン基又はエ
チレン基である) で表わされる化合物又はその塩を反応させて得ら
れる 一般式 (式中、A,B及びR1は上述の意味である) で表わされる化合物の製造法。 5 一般式 (式中、R1は1−メチル−1H−テトラゾール
−5−イルチオ基又は4−カルバモイルピリジウ
ム−1−イル基であり、R2は脱離可能なカルボ
キシル基の保護基である。) で表わされる化合物に 一般式 (式中、X1は脱離可能なアミノ基の保護基で
あり、X2は脱離可能なカルボキシル基の保護基
であり、YはOH又はカルボン酸を活性誘導体と
する原子もしくは原子団であり、Aはメチレン基
又はエチレン基であり、BはAがメチレン基のと
きはエチレン基、Aがエチレン基のときはメチレ
ン基又はエチレン基である) で表わされる化合物を反応させた後、X1及びX2
を脱離することを特徴とする一般式 (式中、A,B及びR1は上述の意味である) で表わされる化合物の製造法。[Claims] 1. General formula (In the formula, A is a methylene group or an ethylene group, B is an ethylene group when A is a methylene group, and a methylene group or an ethylene group when A is an ethylene group, and R 1 is 1-methyl-1H- Tetrazol-5-ylthio group or 4-carbamoylpyridium-1-yl group) A novel cefamycin derivative and a pharmacologically acceptable salt thereof. 2 formulas A novel cefamycin derivative and a pharmacologically acceptable salt thereof according to claim 1, represented by: 3 formulas A novel cefamycin derivative and a pharmacologically acceptable salt thereof according to claim 1, represented by: 4 General formula (In the formula, Z is a halogen atom, A is a methylene group or an ethylene group, and R 1 is 1-methyl-
1H-tetrazol-5-ylthio group or 4-carbamoylpyridium-1-yl group) or a salt thereof represented by the general formula (In the formula, B is an ethylene group when A is a methylene group, and a methylene group or an ethylene group when A is an ethylene group.) (In the formula, A, B and R 1 have the above-mentioned meanings.) A method for producing a compound represented by the following. 5 General formula (In the formula, R 1 is a 1-methyl-1H-tetrazol-5-ylthio group or a 4-carbamoylpyridium-1-yl group, and R 2 is a removable carboxyl group protecting group.) For the compound represented by the general formula (In the formula, X 1 is a removable protecting group for an amino group, X 2 is a removable protecting group for a carboxyl group, and Y is an atom or atomic group whose active derivative is OH or carboxylic acid. (A is a methylene group or an ethylene group, B is an ethylene group when A is a methylene group, and a methylene group or an ethylene group when A is an ethylene group). 1 and x 2
A general formula characterized by the elimination of (In the formula, A, B and R 1 have the above-mentioned meanings.) A method for producing a compound represented by the following.
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12315979A JPS5646884A (en) | 1979-09-27 | 1979-09-27 | Novel cephamycin derivative and its preparation |
| IL58939A IL58939A (en) | 1978-12-18 | 1979-12-12 | 7 alpha-methoxycephalosporin derivatives and their production |
| AU53869/79A AU528886B2 (en) | 1978-12-18 | 1979-12-14 | 7-alpha-methoxycephalosporin derivatives |
| GB7943159A GB2040926B (en) | 1978-12-18 | 1979-12-14 | 7a - methoxysephalosporin derivative and process for producing the same |
| YU3086/79A YU41900B (en) | 1978-12-18 | 1979-12-17 | Process for obtaining the 7-alpha-methoxy - cephalosporin derivative |
| FR7930864A FR2444684A1 (en) | 1978-12-18 | 1979-12-17 | 7A-METHOXYCEPHALOSPORIN DERIVATIVE, MANUFACTURING METHOD THEREOF, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME |
| SE7910387A SE446535B (en) | 1978-12-18 | 1979-12-17 | 7ALFA METOXICE PHALOSPORINE DERIVATIVES AND PROCEDURES FOR PREPARING THEREOF, AND PHARMACEUTICAL COMPOSITION THEREOF |
| IT51101/79A IT1162424B (en) | 1978-12-18 | 1979-12-17 | DERIVATIVES OF 7 ALPHA-METOXYPHALOSPORIN AND PROCEDURE TO PRODUCE THEM |
| PT70602A PT70602A (en) | 1978-12-18 | 1979-12-17 | Process for preparing 7alpha-methoxycephalosporin derivatives |
| CH1114979A CH643851A5 (en) | 1978-12-18 | 1979-12-17 | 7ALPHA-METHOXYCEPHALOSPORIN DERIVATIVES AND PROCESSES FOR THEIR PREPARATION. |
| SI7913086A SI7913086A8 (en) | 1978-12-18 | 1979-12-17 | Process for obtaining the 7-alpha-methoxy-cephalosporin derivate |
| DE2950990A DE2950990C2 (en) | 1978-12-18 | 1979-12-18 | 7? -Methoxycephalosporin derivatives, processes for their preparation and medicaments containing them |
| ES487040A ES8101609A1 (en) | 1978-12-18 | 1979-12-18 | A 7 alpha -methoxycephalosporin derivative and process for producing the same |
| GR60791A GR73909B (en) | 1978-12-18 | 1979-12-18 | |
| NLAANVRAGE7909104,A NL186161C (en) | 1978-12-18 | 1979-12-18 | PHARMACEUTICAL PREPARATION WITH ANTIBACTERIAL ACTION, AND 7BETA- (2- (SUBSTITUTED THIO) ACETAMIDO) -7ALFA-METHOXY-3- (SUBSTITUTED METHYL) -3-CEFEM-4-CARBONIC ACID DERIVATIVE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12315979A JPS5646884A (en) | 1979-09-27 | 1979-09-27 | Novel cephamycin derivative and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5646884A JPS5646884A (en) | 1981-04-28 |
| JPH0154355B2 true JPH0154355B2 (en) | 1989-11-17 |
Family
ID=14853635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12315979A Granted JPS5646884A (en) | 1978-12-18 | 1979-09-27 | Novel cephamycin derivative and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5646884A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549294A (en) * | 1977-06-22 | 1979-01-24 | Asahi Chem Ind Co Ltd | 7alpha-methoxycephalosporins and process for their preparation |
| JPS6118555A (en) * | 1984-07-05 | 1986-01-27 | 日立金属株式会社 | Welding truck for steel plate |
-
1979
- 1979-09-27 JP JP12315979A patent/JPS5646884A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5646884A (en) | 1981-04-28 |
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