JPS61158989A - Organogermanium compound - Google Patents

Organogermanium compound

Info

Publication number
JPS61158989A
JPS61158989A JP59281001A JP28100184A JPS61158989A JP S61158989 A JPS61158989 A JP S61158989A JP 59281001 A JP59281001 A JP 59281001A JP 28100184 A JP28100184 A JP 28100184A JP S61158989 A JPS61158989 A JP S61158989A
Authority
JP
Japan
Prior art keywords
compound
formula
present
germanium
compounds
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
JP59281001A
Other languages
Japanese (ja)
Other versions
JPS6332359B2 (en
Inventor
Norihiro Kakimoto
柿本 紀博
Katsuyuki Sato
克行 佐藤
Takashi Katayama
片山 敬
Tadahiko Hasato
羽里 忠彦
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.)
Asai Germanium Research Institute Co Ltd
Original Assignee
Asai Germanium Research Institute 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 Asai Germanium Research Institute Co Ltd filed Critical Asai Germanium Research Institute Co Ltd
Priority to JP59281001A priority Critical patent/JPS61158989A/en
Publication of JPS61158989A publication Critical patent/JPS61158989A/en
Publication of JPS6332359B2 publication Critical patent/JPS6332359B2/ja
Granted legal-status Critical Current

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  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

NEW MATERIAL:A compound shown by the formula I [R1-R3 are H, lower alkyl such as methyl, ethyl, etc., or (substituted)phenyl; Y is OH, amino, or O-lower alkyl]. EXAMPLE:A compound shown by the formula II. USE:An opioid peptidase. PREPARATION:For example, germanium sesquioxide shown by the formula III or germanium sesquisulfide is reacted with trithioethanolamine shown by the formula N(CH2CH2S)3 in a proper solvent.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は新規な有機ゲルマニウム化合物に関するもので
ある。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a novel organogermanium compound.

〔従来の技術〕[Conventional technology]

金属の一種であるゲルマニウムGeは、半導体として旧
くから研究の対象になっていたものであるが、最近にな
ってその有機化合物に関する研究が進んで研究成果の発
表が活発に行なわれるようになった結果、ゲルマニウム
、とりわけその有機化合物は種々の技術分野から注目さ
れるようになった。
Germanium Ge, a type of metal, has long been the subject of research as a semiconductor, but recently research into its organic compounds has progressed and research results have been actively published. As a result, germanium, especially its organic compounds, has attracted attention from various technical fields.

例えば、式 %式% で表わされるカルボキシエチルゲルマニウムセスキオキ
サイドという化合物が、極めて強力な血圧降下作用や抗
腫瘍作用等の生理活性を示す半面。
For example, the compound carboxyethyl germanium sesquioxide, represented by the formula %, exhibits extremely strong physiological activities such as blood pressure lowering effects and antitumor effects.

全く毒性や副作用が覚られないものであることは医薬学
会では周知の事実となっているし、本発明の発明者らの
一部も、自己の研究の一環として、一般式 で表わされるユニークなアトラン骨格を有し、強力な抗
菌作用を発揮する有機ゲルマニウム化合物の発明を完成
し、すでに特許出願済みである(特公昭59−4347
9号公報参照)。
It is a well-known fact in the medical sciences that there are no toxicity or side effects, and some of the inventors of the present invention also developed a unique compound expressed by the general formula as part of their own research. Completed the invention of an organic germanium compound that has an atlan skeleton and exhibits a strong antibacterial effect, and has already applied for a patent (Japanese Patent Publication No. 59-4347
(See Publication No. 9).

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

而して、前記化合物■の発揮する血圧降下作用や化合物
■の発揮する抗菌作用のメカニズムは未だ明確には解明
されてはいないが、例えば前者に関しては、その薬理作
用はゲルマニウム−酸素結合に由来するとの説が一部の
研究者により唱えられているので、ゲルマニウムと、酸
素の同族体との結合を含む新規な化合物を合成すること
ができれば、当該化合物は上述した公知化合物に勝ると
も劣らない優れた薬理作用を発揮することが期待される
Although the mechanisms of the hypotensive effect exerted by compound (1) and the antibacterial effect exerted by compound (2) have not yet been clearly elucidated, for example, the pharmacological effect of the former is derived from the germanium-oxygen bond. Some researchers have advocated the theory that, if a new compound containing a bond between germanium and an oxygen homolog could be synthesized, the compound would be superior to the known compounds mentioned above. It is expected to exhibit excellent pharmacological effects.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は上述した事情を背景として、新規且つ有用な有
機ゲルマニウム化合物を提供することを目的としてなさ
れたもので、その構成は、一般式(式中、R+、Rz、
Raは水素原子又はメチル基、エチル基等の低級アルキ
ル基若しくは置換或いは無置換のフェニル基を、Yは水
酸基、アミノ基又は〇−低級アルキル基をそれぞれ表わ
す)で表わされることを特徴とするものである。
The present invention was made with the purpose of providing a novel and useful organic germanium compound against the background of the above-mentioned circumstances.
Ra is a hydrogen atom or a lower alkyl group such as a methyl group or an ethyl group, or a substituted or unsubstituted phenyl group, and Y is a hydroxyl group, an amino group, or a 〇-lower alkyl group. It is.

以下に本発明の詳細な説明する。The present invention will be explained in detail below.

本発明の化合物は、71〜ラン骨格に、置換基R乃至R
及び酸素官能基COYを有するプロピオン酸残基が結合
したものであって、上述した公知化合物■では、アトラ
ン骨格が窒素原子とゲルマニウム原子とが3本のオキシ
メチレン鎖で架橋されたものであったが、本発明化合物
に於けるアトラン骨格は、窒素原子とゲルマニウム原子
とが3本のチオメチレン鎖で架橋されているもので、そ
   □れらチオメチレン鎖の内部を通って窒素の孤立
電子対がゲルマニウム原子に配位した構造をとることを
特色としている。
The compound of the present invention has substituents R to R on the 71-ran skeleton.
and a propionic acid residue having an oxygen functional group COY, and in the above-mentioned known compound (2), the atran skeleton was a nitrogen atom and a germanium atom cross-linked with three oxymethylene chains. However, in the atran skeleton in the compound of the present invention, a nitrogen atom and a germanium atom are cross-linked with three thiomethylene chains, and the lone electron pair of nitrogen passes through the inside of these thiomethylene chains to form germanium atoms. It is characterized by a structure that is coordinated with atoms.

ここで、式(I)中の置換基Rl、 R1、RBは水素
原子又はメチル基、エチル基又はプロピル基等の低級ア
ルキル基若しくは置換され或いは無置換のフェニル基を
、酸素官能基中の置換基Yは水酸基。
Here, the substituents R1, R1, and RB in formula (I) are a hydrogen atom, a lower alkyl group such as a methyl group, an ethyl group, or a propyl group, or a substituted or unsubstituted phenyl group, and a substituent in an oxygen functional group. The group Y is a hydroxyl group.

アミノ基又は〇−低級アルキル基をそれぞれ表わしてお
り、従って、本発明の有機ゲルマニウム化合物は、例え
ば以下に示すような化合物により代表される。
Each represents an amino group or a 〇-lower alkyl group. Therefore, the organic germanium compounds of the present invention are typified by, for example, the compounds shown below.

しllq  +、、tiB 「−一一一一−1 N(CH2,CHlS)A GeCHzCHzCOOC
lla −−(I i)このような構造の本発明化合物
は種々の方法により合成することができるが、例えば下
記反応式1に示すように、前記化合物■と同様のゲルマ
ニウムセスキオキサイド(Ila)又はその酸素原子を
硫黄原子で置換したゲルマニウムセスキスルフィド(n
b)に、適宜の溶媒中でトリチオエタノールアミン(m
)を反応させれば良いのである。
shillq +,,tiB "-1111-1 N(CH2,CHlS)A GeCHzCHzCOOC
lla --(I i) The compound of the present invention having such a structure can be synthesized by various methods. For example, as shown in Reaction Formula 1 below, germanium sesquioxide (Ila) similar to the above compound (I) or Germanium sesquisulfide (n
b), trithioethanolamine (m
) can be reacted.

反応式1 %式%() 尚、上記反応式中のZは酸素原子又は硫黄原子を表わし
ている。
Reaction Formula 1 %Formula %( ) In the above reaction formula, Z represents an oxygen atom or a sulfur atom.

又、本発明化合物は、前記した特許公報に記載された合
成方法に倣い、下記反応式2に示すように、トロハロゲ
ノゲルミルプロピオン酸誘導体(IV)にアルコキサイ
ドを作用させて−Hトリアルコキシ体(V)とし、これ
にトリチオエタノールアミン(m)を反応させて合成す
るようにしても良い。
In addition, the compound of the present invention can be prepared by reacting an alkoxide with a trohalogenogermylpropionic acid derivative (IV) to form an -H trialkoxy compound, following the synthesis method described in the above-mentioned patent publication, as shown in Reaction Formula 2 below. (V) and may be synthesized by reacting this with trithioethanolamine (m).

反応式2 %式%(1) 更には、下記反応式3に示すように、トリハロゲノゲル
ミルプロピオン酸誘導体(IV)に、トリチオエタノー
ルアミンのアルカリ金属塩(Ha)やトリメチルシリル
誘導体(■b)を反応させたりしても、本発明化合物を
合成することができる。
Reaction formula 2 % formula % (1) Furthermore, as shown in reaction formula 3 below, the trihalogenogermylpropionic acid derivative (IV) is added with an alkali metal salt of trithioethanolamine (Ha) or a trimethylsilyl derivative (■ b ) can also be used to synthesize the compound of the present invention.

反応式3 %式%() 以上のようにして得られた本発明化合物はいずれも無色
の結晶であって、元素分析(E A)や質量分析(MA
SS)の結果及び核磁気共鳴吸収(NMR)スペクトル
や赤外線吸収(IR)スペクトルの結果は、すべて合成
した化合物が一般式(1)で表わされるべきものである
ことを良く支持するものであった。
Reaction formula 3 %Formula %() All of the compounds of the present invention obtained as described above are colorless crystals, and cannot be analyzed by elemental analysis (EA) or mass spectrometry (MA).
The results of SS), nuclear magnetic resonance absorption (NMR) spectrum, and infrared absorption (IR) spectrum all strongly supported that the synthesized compound should be represented by general formula (1). .

〔発明の効果〕〔Effect of the invention〕

而して、本発明の有機ゲルマニウム化合物は。 Thus, the organic germanium compound of the present invention is.

そのアトラン骨格中に3つのゲルマニウム−硫黄結合を
有しているので、冒頭で述べた公知化合物に勝るとも劣
らない優れた薬理作用を発揮することが期待される。
Since it has three germanium-sulfur bonds in its atran skeleton, it is expected to exhibit excellent pharmacological effects comparable to those of the known compounds mentioned at the beginning.

事実、本発明化合物を、オピオイドと総称されるペプタ
イド(モルヒネ等の投与により生体内に遊離し当該生体
の自己鎮痛作用を営むとされている)を分解してしまう
オピオイド分解酵素に対し作用させてみると1本発明化
合物は、極めて低い濃度であっても、しかも特定のオピ
オイド分解酵素について、強力な阻害作用を示した。
In fact, the compound of the present invention is made to act on an opioid-degrading enzyme that degrades peptides collectively called opioids (which are released into the body upon administration of morphine, etc., and are said to exert a self-analgesic effect in the body). As a result, one compound of the present invention showed a strong inhibitory effect on a specific opioid degrading enzyme even at an extremely low concentration.

従って、本発明化合物は、投与されるモルヒネ等の生体
内での有効利用を図ると共に耽溺性の強いモルヒネ等の
投与量を減するためのオピオイド分解酵素阻害剤として
使用することができるものである。
Therefore, the compound of the present invention can be used as an opioid degrading enzyme inhibitor to effectively utilize administered morphine, etc. in the body, and to reduce the dose of morphine, etc., which is highly addictive. .

〔実施例〕〔Example〕

4−11.−J’講”−:I−P≦−I「ノhメIII
=7−r’5ノ、→ツフうニラ1う二÷トイド5 g 
(0,0147111ol)にトリチオエタノールアミ
ン5.8 g (0,03n+ol)を加え、ベンゼン
中で5時間加熱還流した。
4-11. -J'ko"-:I-P≦-I"Nohme III
= 7-r'5ノ, → Tsufuu chive 1 eel ÷ toid 5 g
5.8 g (0.03 n+ol) of trithioethanolamine was added to (0.0147111 ol), and the mixture was heated under reflux in benzene for 5 hours.

反応終了後、析出する結晶を濾取し、メタノール−エー
テルから再結晶すると、収率51%で化合物(I a)
を得た。
After the reaction, the precipitated crystals were collected by filtration and recrystallized from methanol-ether to give compound (I a) in a yield of 51%.
I got it.

他の本発明化合物も上記と略同様の合成操作により得る
ことができた。
Other compounds of the present invention could also be obtained by substantially the same synthetic procedures as above.

bJd式1によるヒム Ihのムゝ〈ヒム物nbから〉
1−フェニル−2−カルボキサミドエチルゲルマニウム
セスキスルファイド1.66 g (3mmol)とト
リチオエタノールアミン1.22 g (6mmol)
とを、100o1のコルベン中で30耐のベンゼンを溶
媒として6時間加熱還流した。
Him by bJd formula 1 Ih's muゝ〈from Him thing nb〉
1-phenyl-2-carboxamidoethyl germanium sesquisulfide 1.66 g (3 mmol) and trithioethanolamine 1.22 g (6 mmol)
were heated under reflux for 6 hours in 100o1 Kolben using 30 proof benzene as a solvent.

反応終了後、析出する結晶を濾取し、再結晶すると、収
率70%で化合物(th)を得た。
After the reaction was completed, the precipitated crystals were collected by filtration and recrystallized to obtain compound (th) in a yield of 70%.

他の本発明化合物も上記と略同様の合成操作により得る
ことができた。
Other compounds of the present invention could also be obtained by substantially the same synthetic procedures as above.

C6式2による ム  Iiのム トリクロルゲルミルプロピオン酸メチルエスチル2.0
 g (7,6mmol)をメタノール10耐に溶解し
、これに金属ナトリウムから要時調製したナトリウムメ
チラート溶液50耐を加えると、やや発熱し、塩化ナト
リウムが析出した。
Methyl ethyl chlorogermylpropionate of Mu Ii according to C6 formula 2 2.0
g (7.6 mmol) was dissolved in 10 ml of methanol, and when 50 ml of sodium methylate solution prepared from sodium metal was added thereto, a slight heat was generated and sodium chloride precipitated.

反応終了後、塩化ナトリウムを濾過し、濾液にトリチオ
エタノールアミン1.5 g (7,6n+mol)を
クロロホルム30n+1に溶解した溶液を一30℃で徐
々に加えた後、室温で約1時間攪拌し、続いて2時間加
熱還流した。
After the reaction, the sodium chloride was filtered off, and a solution of 1.5 g (7.6 n+mol) of trithioethanolamine dissolved in 30n+1 chloroform was gradually added to the filtrate at -30°C, followed by stirring at room temperature for about 1 hour. , followed by heating under reflux for 2 hours.

反応終了後、溶媒を留去するとオイル状物質が残ったが
、後にこれは結晶化したので、再結晶に付すと、61%
の収率で化合物(r i)を得た。
After the reaction was completed, the solvent was distilled off and an oily substance remained, which later crystallized, so when it was recrystallized, 61%
Compound (r i) was obtained in a yield of .

他の本発明化合物も上記と略同様の合成操作により得る
ことができた。
Other compounds of the present invention could also be obtained by substantially the same synthetic procedures as above.

d、−日 ヒム の 理ヒバ1′・データ以上のように
、本発明化合物は種々の方法により合成することができ
、得られた本発明化合物は次の表に例示するような物理
化学的データを示した。
d, -day Him's Rihiba 1' Data As mentioned above, the compounds of the present invention can be synthesized by various methods, and the obtained compounds of the present invention have physicochemical data as illustrated in the following table. showed that.

2、、tUI+ 11に玄マニウム化合物の薬理作現在
では多種類のオピオイドベプタイド及び対応するオピオ
イドペプタイド分解酵素が発見されているので、本発明
化合物の薬理活性はオピオイドペプタイド分解酵素の阻
害効果を1nViP、roで検定することとした。
2. Pharmacological development of brown manium compounds in tUI+ 11 Currently, many types of opioid peptides and corresponding opioid peptide-degrading enzymes have been discovered. It was decided to test with 1nViP, ro.

即ち1本発明化合物の存在下でオピオイドペプタイド又
はそのモデル化合物にオピオイドペプタイド分解酵素を
作用させ1本発明化合物の阻害効果を測定したのであり
、この結果、下記の表に示すように本発明化合物は低濃
度であってもオピオイドペプタイド分解酵素の作用を良
く阻害し、しかも、今回使用したオピオイドペプタイド
分解酵素に関しては、モルモット由来のアンジオテンシ
ン変換酵素のみを阻害し、つまり選択性を有しているこ
とが明らかとなったのである。
Specifically, in the presence of the compound of the present invention, an opioid peptide degrading enzyme was allowed to act on an opioid peptide or its model compound, and the inhibitory effect of the compound of the present invention was measured.As shown in the table below, the compound of the present invention It effectively inhibits the action of opioid peptide-degrading enzymes even at low concentrations, and the opioid peptide-degrading enzyme used this time only inhibits guinea pig-derived angiotensin-converting enzyme, indicating that it is selective. It became clear.

表 尚、1掲の表中の数値は本発明化合物を1mg/+il
の濃度で使用した場合の阻止率を%で表示したものであ
り、又、APはアミノペプチデース、DPPはジペプチ
ジルアミノペプチデース。
In addition, the numerical values in the table listed above are 1 mg/+il of the compound of the present invention.
The inhibition rate is expressed in % when used at a concentration of , and AP is aminopeptide and DPP is dipeptidyl aminopeptide.

ACEはアンジオテンシン変換酵素をそれぞれ表わして
いる。
ACE stands for angiotensin converting enzyme, respectively.

更に、化合物(Ia)について50%阻止率(IC50
)を算出してみると、250μg /mlと良好な値で
あった。
Furthermore, 50% inhibition rate (IC50) for compound (Ia)
) was calculated and found to be a good value of 250 μg/ml.

本発明は以上の通りであるから、有機ゲルマニウム化合
物として産業上の利用性大なるものがある。
Since the present invention is as described above, it has great industrial applicability as an organic germanium compound.

Claims (1)

【特許請求の範囲】 一般式 ▲数式、化学式、表等があります▼ (式中、R_1、R_2、R_3は水素原 子又はメチル基、エチル基等の 低級アルキル基若しくは置換 或いは無置換のフェニル基を、 Yは水酸基、アミノ基又はO− 低級アルキル基をそれぞれ表 わす) で表わされることを特徴とする有機ゲルマニウム化合物
[Claims] General formula ▲ Numerical formula, chemical formula, table, etc. , Y represents a hydroxyl group, an amino group, or an O-lower alkyl group, respectively.
JP59281001A 1984-12-29 1984-12-29 Organogermanium compound Granted JPS61158989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59281001A JPS61158989A (en) 1984-12-29 1984-12-29 Organogermanium compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59281001A JPS61158989A (en) 1984-12-29 1984-12-29 Organogermanium compound

Publications (2)

Publication Number Publication Date
JPS61158989A true JPS61158989A (en) 1986-07-18
JPS6332359B2 JPS6332359B2 (en) 1988-06-29

Family

ID=17632883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59281001A Granted JPS61158989A (en) 1984-12-29 1984-12-29 Organogermanium compound

Country Status (1)

Country Link
JP (1) JPS61158989A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0548230U (en) * 1991-11-29 1993-06-25 第一電子工業株式会社 Surface mount connector
US6451850B1 (en) 1998-08-17 2002-09-17 Evgeny Vladimirovich Soloviev Bio-chemical germanium complexes with high therapeutic efficiency and wide application spectrum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0548230U (en) * 1991-11-29 1993-06-25 第一電子工業株式会社 Surface mount connector
US6451850B1 (en) 1998-08-17 2002-09-17 Evgeny Vladimirovich Soloviev Bio-chemical germanium complexes with high therapeutic efficiency and wide application spectrum

Also Published As

Publication number Publication date
JPS6332359B2 (en) 1988-06-29

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