JPS635398B2 - - Google Patents

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Publication number
JPS635398B2
JPS635398B2 JP7431079A JP7431079A JPS635398B2 JP S635398 B2 JPS635398 B2 JP S635398B2 JP 7431079 A JP7431079 A JP 7431079A JP 7431079 A JP7431079 A JP 7431079A JP S635398 B2 JPS635398 B2 JP S635398B2
Authority
JP
Japan
Prior art keywords
compound
formula
present
acetyl
leucomycin
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
JP7431079A
Other languages
Japanese (ja)
Other versions
JPS55167297A (en
Inventor
Yoshiaki Watanabe
Takashi Adachi
Shigeo Morimoto
Sadafumi Oomura
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.)
Taisho Pharmaceutical Co Ltd
Original Assignee
Taisho 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 Taisho Pharmaceutical Co Ltd filed Critical Taisho Pharmaceutical Co Ltd
Priority to JP7431079A priority Critical patent/JPS55167297A/en
Publication of JPS55167297A publication Critical patent/JPS55167297A/en
Publication of JPS635398B2 publication Critical patent/JPS635398B2/ja
Granted legal-status Critical Current

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

Description

【発明の詳細な説明】 本発明は新規なロイコマイシン誘導体およびそ
の製法に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to novel leucomycin derivatives and methods for their production.

ロイコマイシンは汎用されている抗生物質であ
るから、その生物学的および薬理学的性質を変性
してより有用な抗生物質を得るため、これまでに
多くの誘導体が製造されてきた。
Since leucomycin is a widely used antibiotic, many derivatives have been produced to modify its biological and pharmacological properties to obtain more useful antibiotics.

ミカミノース環部を変化させた誘導体として
2′−位の水酸基をエステル化した化合物は多数合
成されているが、それ以外の化合物が合成された
例は極めて少ない。
As a derivative with a changed mikaminose ring part
Although many compounds in which the 2'-position hydroxyl group has been esterified have been synthesized, there are very few examples in which other compounds have been synthesized.

本発明者等は9−0−アセチルロイコマイシン
誘導体の2′−位(ミカミノース環部)の水酸基を
ハロゲン原子で置換することにより新規なロイコ
マイシン誘導体を得ることに成功し、本発明を完
成した。
The present inventors succeeded in obtaining a new leucomycin derivative by replacing the hydroxyl group at the 2'-position (mycaminose ring part) of a 9-0-acetylleucomycin derivative with a halogen atom, and completed the present invention. .

以下、本発明を詳細に説明する。 The present invention will be explained in detail below.

本発明の目的物質は、 一般式 〔式中、Xはハロゲン原子を示す。〕 で表わされるロイコマイシン誘導体である。 The target substance of the present invention has the general formula [In the formula, X represents a halogen atom. ] It is a leucomycin derivative represented by

また、本発明の方法は、 式 で表わされる化合物と 一般式 AX () 〔式中、Aはアルカリ金属原子を示し、Xは式
中で示されるXと同義である。〕 で表わされる化合物を反応させることを特徴とす
る式で表わされるロイコマイシン誘導体の製法
である。
Moreover, the method of the present invention is based on the formula A compound represented by the general formula AX () [wherein A represents an alkali metal atom, and X has the same meaning as X shown in the formula. ] This is a method for producing a leucomycin derivative represented by the formula, which is characterized by reacting a compound represented by the following.

式で表わされる本発明の目的物質(以下、化
合物と称する。)は次の方法で製造することが
できる。
The target substance of the present invention (hereinafter referred to as a compound) represented by the formula can be produced by the following method.

即ち、式で表わされる化合物(以下、化合物
と称する。)と式で表わされる化合物(以下、
化合物と称する。)とを有機溶媒中でゆるやか
に撹拌しながら約80℃で、7〜22時間反応させて
化合物を生成させる。
That is, the compound represented by the formula (hereinafter referred to as a compound) and the compound represented by the formula (hereinafter referred to as a compound)
It is called a compound. ) in an organic solvent with gentle stirring at about 80°C for 7 to 22 hours to produce a compound.

反応終了後、生成した化合物を常法により有
機溶媒で抽出し、充分に水洗いしてから乾燥し、
溶媒を減圧下に溜去して化合物を得ることがで
きる。
After the reaction is complete, the generated compound is extracted with an organic solvent using a conventional method, thoroughly washed with water, and then dried.
The compound can be obtained by distilling off the solvent under reduced pressure.

必要があれば、シリカゲルカラムクロマトグラ
フイー等により更に精製することができる。
If necessary, it can be further purified by silica gel column chromatography or the like.

本発明において、化合物は親核試剤であり、
化合物に対してモル比で1〜2倍量用いるが、
反応を早く終らせるためには大過剰用いるのが望
ましい。
In the present invention, the compound is a nucleophile,
It is used in an amount of 1 to 2 times the molar ratio of the compound,
It is desirable to use a large excess in order to complete the reaction quickly.

化合物は9−0−アセチル−2′−0−メタン
スルホニルロイコマイシンA3であり、特願昭52
−148728号明細書記載の方法で、9−0−アセチ
ルロイコマイシンA3より合成することができる。
The compound is 9-0-acetyl-2'-0-methanesulfonylleucomycin A3 , which was patented in 1983.
It can be synthesized from 9-0-acetylleucomycin A 3 by the method described in No. 148728.

反応溶媒としては、通常用いられている一般有
機溶剤を用いることができるが、アセトニトリル
等の非極性溶媒を用いた場合、時として親核試剤
が溶けにくいことがあるがその場合は18−クラ
ウン−6等のクラウンエーテル類を使用して溶解
性を高かめることができる。
As a reaction solvent, a commonly used general organic solvent can be used, but when a nonpolar solvent such as acetonitrile is used, the nucleophilic reagent may sometimes be difficult to dissolve. Crown ethers such as No. 6 can be used to increase solubility.

生成した化合物の抽出溶媒としてはクロロホ
ルム、ジクロルメタン、ベンゼン、酢酸エチル等
を用いることができる。
Chloroform, dichloromethane, benzene, ethyl acetate, etc. can be used as an extraction solvent for the produced compound.

本発明の目的物質である化合物は、グラム陽
性菌に対して抗菌性を有する新規な抗生物質であ
つて、それ自体医薬として有用であるばかりでな
く、更に他の抗生物質を合成する中間体としても
利用することができる。
The compound that is the target substance of the present invention is a new antibiotic that has antibacterial properties against Gram-positive bacteria, and is not only useful as a medicine itself, but also as an intermediate for synthesizing other antibiotics. can also be used.

また、本発明の方法は新規の抗生物質を好収率
で容易に製造することができる方法を提供するも
のである。
Furthermore, the method of the present invention provides a method by which novel antibiotics can be easily produced with good yield.

次に、本発明の目的物質である化合物の製造
例を示す実施例を挙げて本発明を具体的に説明す
る。
Next, the present invention will be specifically explained with reference to Examples showing production examples of compounds that are the target substances of the present invention.

実施例 1 9−0−アセチル−2′−0−メタンスルホニル
ロイコマイシンA30.5g、塩化カリウム1.0g、18
−クラウン−6 0.01g、及びアセトニトリル5
mlからなる混合溶液を22時間煮沸した。ついで水
に注入し、酢酸エチルで2回抽出した。酢酸エチ
ル層を水洗い乾燥(MgSO4)後、濃縮乾固した。
Example 1 9-0-acetyl-2'-0-methanesulfonylleucomycin A 3 0.5 g, potassium chloride 1.0 g, 18
-Crown-6 0.01g and acetonitrile 5
The mixed solution consisting of ml was boiled for 22 hours. It was then poured into water and extracted twice with ethyl acetate. The ethyl acetate layer was washed with water, dried (MgSO 4 ), and then concentrated to dryness.

ついでシリカゲルカラムクロマトグラフイーで
精製し、0.26gの9−0−アセチル−2′−クロル
−2′−デオキシ−ロイコマイシンA3を白色粉末と
して得た。
The product was then purified by silica gel column chromatography to obtain 0.26 g of 9-0-acetyl-2'-chloro-2'-deoxy-leucomycin A3 as a white powder.

融点 122〜125℃。 Melting point 122-125℃.

1H−NMR(δ,CDCl3):1.96(s,3H)、
2.23(s,3H),2.53(s,6H),3.50(s,
3H),9.54(s,1H) 実施例 2 実施例1と同様にして 9−0−アセチル−2′−0−メタンスルホニル
ロイコマイシンA30.5gと臭化ナトリウム1gか
ら0.23gの9−0−アセチル−2′−ブロム−2′−
デオキシロイコマイシンA3を白色粉末として得
た。
1H -NMR (δ, CDCl3 ): 1.96 (s, 3H),
2.23 (s, 3H), 2.53 (s, 6H), 3.50 (s,
3H), 9.54 (s, 1H) Example 2 In the same manner as in Example 1, 0.5 g of 9-0-acetyl-2'-0-methanesulfonylleucomycin A 3 and 0.23 g of 9-0 from 1 g of sodium bromide were added. -acetyl-2'-bromo-2'-
Deoxyleucomycin A 3 was obtained as a white powder.

融点 116〜119℃ 1H−NMR(δ,CDCl3);1.98(s,3H),
2.25(s,3H),2.55(s,6H),3.56(s,
3H)9.56(s,1H) 実施例 3 実施例1と同様にして 9−0−アセチル−2′−0−メタンスルホニル
ロイコマイシンA31.3gとヨウ化カリウム2.6gか
ら0.64gの9−0−アセチル−2′−イオドー2′−
デオキシロイコマイシンA3を白色粉末として得
た。
Melting point 116-119℃ 1 H-NMR (δ, CDCl 3 ); 1.98 (s, 3H),
2.25 (s, 3H), 2.55 (s, 6H), 3.56 (s,
3H) 9.56 (s, 1H) Example 3 In the same manner as in Example 1, 1.3 g of 9-0-acetyl-2'-0-methanesulfonylleucomycin A 3 and 0.64 g of 9-0 were added from 2.6 g of potassium iodide. -Acetyl-2'-Iodo2'-
Deoxyleucomycin A 3 was obtained as a white powder.

融点 145〜148℃ 1H−NMR(δ,CDCl3):1.98(s,3H),
2.25(s,3H),2.45〜2.65(巾広いs,
6H),3.62(s,3H),9.51(s,1H) 実施例 4 実施例1と同様にして、9−0−アセチル−
2′−0−メタンスルホニルロイコマイシンA31g
フツ化カリウム2gから0.43gの9−0−アセチ
ル−2′−フルオル−2′−デオキシロイコマイシン
A3を白色粉末として得た。融点 106〜109℃ 1H−NMR(δ,CDCl3):1.97(s,3H),
2.24(s,3H),2.52(s,6H),3.50(s,
3H),9.50(s,1H)。
Melting point 145-148℃ 1H -NMR (δ, CDCl 3 ): 1.98 (s, 3H),
2.25 (s, 3H), 2.45~2.65 (wide s,
6H), 3.62 (s, 3H), 9.51 (s, 1H) Example 4 In the same manner as in Example 1, 9-0-acetyl-
2'-0-methanesulfonylleucomycin A 3 1g
2 g of potassium fluoride to 0.43 g of 9-0-acetyl-2'-fluoro-2'-deoxyleucomycin
A 3 was obtained as a white powder. Melting point 106-109℃ 1H -NMR (δ, CDCl 3 ): 1.97 (s, 3H),
2.24 (s, 3H), 2.52 (s, 6H), 3.50 (s,
3H), 9.50 (s, 1H).

Claims (1)

【特許請求の範囲】 1 一般式 [式中、Xはハロゲン原子を示す。] で表わされるロイコマイシン誘導体。 2 式 で表わされる化合物と 一般式 AX [式中、Aはアルカリ金属原子を示し、Xはハ
ロゲン原子を示す。]で表わされる化合物を反応
させることを特徴とする一般式 [式中、Xは前記と同義である。]で表わされ
るロイコマイシン誘導体の製法。
[Claims] 1. General formula [In the formula, X represents a halogen atom. ] A leucomycin derivative represented by. 2 formulas A compound represented by the general formula AX [wherein A represents an alkali metal atom and X represents a halogen atom]. ] A general formula characterized by reacting a compound represented by [In the formula, X has the same meaning as above. ] A method for producing a leucomycin derivative represented by.
JP7431079A 1979-06-13 1979-06-13 Leucomycin derivative and its derivative Granted JPS55167297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7431079A JPS55167297A (en) 1979-06-13 1979-06-13 Leucomycin derivative and its derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7431079A JPS55167297A (en) 1979-06-13 1979-06-13 Leucomycin derivative and its derivative

Publications (2)

Publication Number Publication Date
JPS55167297A JPS55167297A (en) 1980-12-26
JPS635398B2 true JPS635398B2 (en) 1988-02-03

Family

ID=13543418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7431079A Granted JPS55167297A (en) 1979-06-13 1979-06-13 Leucomycin derivative and its derivative

Country Status (1)

Country Link
JP (1) JPS55167297A (en)

Also Published As

Publication number Publication date
JPS55167297A (en) 1980-12-26

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