JPH0449295A - New platinum complex and production of (glycolate) (3-aminopyrrolidine)platinum (ii) using the same - Google Patents

New platinum complex and production of (glycolate) (3-aminopyrrolidine)platinum (ii) using the same

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Publication number
JPH0449295A
JPH0449295A JP15622290A JP15622290A JPH0449295A JP H0449295 A JPH0449295 A JP H0449295A JP 15622290 A JP15622290 A JP 15622290A JP 15622290 A JP15622290 A JP 15622290A JP H0449295 A JPH0449295 A JP H0449295A
Authority
JP
Japan
Prior art keywords
platinum
aminopyrrolidine
compound
formula
platinum complex
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.)
Pending
Application number
JP15622290A
Other languages
Japanese (ja)
Inventor
Munetaka Matsui
松井 宗隆
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.)
Kanebo Ltd
Original Assignee
Kanebo 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 Kanebo Ltd filed Critical Kanebo Ltd
Priority to JP15622290A priority Critical patent/JPH0449295A/en
Publication of JPH0449295A publication Critical patent/JPH0449295A/en
Pending legal-status Critical Current

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Abstract

NEW MATERIAL:A cis-bis(glycolate)(3-aminopyrrolidine)platinum (II) expressed by formula I. USE:Useful as a synthetic intermediate of a platinum complex which is useful as an anticancer agent. A platinum complex expressed by formula II (A is ligand of OCOCH2O) useful as an anticancer agent is synthesized by reaction of a platinum complex expressed by formula I and a base. PREPARATION:A compound expressed by formula III is allowed to react with glycolic acid silver salt in a solvent of water or DMF under shielded light at room temperature to 100 deg.C to afford the compound expressed by formula I. Using amount of glycolic acid silver salt is 1.8-2.5 times, preferably 2.0-2.2, times based on mol of the compound expressed by formula III. Besides, a pair of optical isomers exist owing to the steric configuration of amino group in a ring of 3-aminopyrrolidine as the compound expressed by formula I and said isomers and a mixture of said isomers are included in the objective new compound.

Description

【発明の詳細な説明】 「産業上の利用分野」 本発明は下式[I] で表わされる新規白金錯体、およびそれを用いる下式[
I1] で表わされる白金錯体。
Detailed Description of the Invention "Industrial Application Field" The present invention relates to a novel platinum complex represented by the following formula [I], and a novel platinum complex represented by the following formula [I] using the same.
I1] A platinum complex represented by:

(2)下式[I] で表わされる白金錯体と塩基とを反応させることを特徴
とする下式[I1] (式中、Aは一0COCH20−で表わされる配位子(
式中、Aは一0COCH20−で表わされる配位子を示
す。) で表わされる(グリコラド)(3−アミノピロリジン)
白金(II )の製造方法に関する。
(2) The following formula [I1] characterized by reacting a platinum complex represented by the following formula [I] with a base (wherein A is a ligand represented by 10COCH20-
In the formula, A represents a ligand represented by -COCH20-. ) (Glycorado) (3-aminopyrrolidine)
The present invention relates to a method for producing platinum (II).

「従来の技術」 特開平1−294683号には、前記式[II ]で表
わされる(グリコラド)(3−アミノピロリジン)白金
(II)(化合物[I1])が制癌剤として有用であり
、この化合物は下式[ml (式中、Xは塩素原子、臭素原子あるいはヨウ素原子を
示す。) で表わされるシス−ジハロゲノ(3−アミノピロリジン
)白金(II)から以下の2つの製造方法で製造できる
と開示されている。
"Prior Art" JP-A-1-294683 discloses that (glycorado)(3-aminopyrrolidine)platinum(II) (compound [I1]) represented by the above formula [II] is useful as an anticancer agent, and that this compound can be produced from cis-dihalogeno(3-aminopyrrolidine)platinum(II) represented by the following formula [ml (wherein, X represents a chlorine atom, a bromine atom, or an iodine atom)] by the following two production methods. Disclosed.

すなわち、公知の第1の製造方法は、 a)化合物[III ]と硝酸銀とを反応させ、シスー
ジニトラト(3−アミノピロリジン)白金(■りとする
工程、 b)次いでシスージニトラト(3−アミノピロリジン)
白金(11)を陰イオン交換樹脂で処理し、シス−ジヒ
ドロキソ(3−アミノピロリジン)白金(II)とする
工程、 C)最後に、シス−ジヒドロキソ(3−アミノピロリジ
ン)白金(Iりとグリコール酸とを反応させて化合物[
I1]とし、要すればここで生成する化合物[I夏]の
幾何異性体混合物から1つの幾何異性体を単離する工程
、 の3工程より成る方法である。
That is, the first known production method includes a) a step of reacting the compound [III] with silver nitrate to form cis-dinitrato(3-aminopyrrolidine) platinum (b) then preparing cis-dinitrato(3-aminopyrrolidine)platinum.
Process of treating platinum (11) with an anion exchange resin to form cis-dihydroxo(3-aminopyrrolidine)platinum(II), C) Finally, cis-dihydroxo(3-aminopyrrolidine)platinum(II) and glycol A compound [
I1] and, if necessary, isolating one geometric isomer from the geometric isomer mixture of the compound [I summer] produced here.

公知の第2の製造方法は、 a)化合物[In ]と硫酸銀と反応させ、シス−スル
ファト(3−アミノピロリジン)白金(夏りとする工程
、 b)次いで、シス−スルファト(3−アミノピロリジン
)白金(II)に水酸化バリウムを反応させ、シス−ジ
ヒドロキソ(3−アミノピロリジン)白金(II)とす
る工程、 C)最後に、第1の方法と同様にシス−ジヒドロキソ(
3−アミノピロリジン)白金(II )とグリコール酸
とを反応させて化合物[I1]とし、要すればここで生
成する化合物[II ]の幾何異性体混合物から1つの
幾何異性体を単離する工程、 の3工程より成る製造方法である。
A second known production method includes a) reacting the compound [In] with silver sulfate to form cis-sulfato(3-aminopyrrolidine)platinum (b) then reacting cis-sulfato(3-aminopyrrolidine)platinum with silver sulfate; pyrrolidine)platinum(II) with barium hydroxide to give cis-dihydroxo(3-aminopyrrolidine)platinum(II); C) Finally, as in the first method, cis-dihydroxo(3-aminopyrrolidine)platinum(II).
A step of reacting platinum (II) (3-aminopyrrolidine) with glycolic acid to form compound [I1] and, if necessary, isolating one geometric isomer from the geometric isomer mixture of compound [II] produced here. This manufacturing method consists of the following three steps.

上記の各公知の製造方法は共に、化合物c nr ]か
ら目的とする化合物[II ]まで3工程を要し、化合
物[II ’Jの収率が充分でないので改良の余地が有
る。
Each of the above-mentioned known production methods requires three steps from compound c nr ] to the target compound [II ], and the yield of compound [II'J is not sufficient, so there is room for improvement.

「発明が解決しようとする課題」 本発明者等は、工程および収率の改善された化合物[I
I ]の製造方法について検討した。本発明の目的は、
化合物[n]を製造するために有用な製造用中間体およ
びそれを用いる化合物[I1]の工業的に有利な製造方
法を提供することにある。
“Problems to be Solved by the Invention” The present inventors have developed a compound [I
We investigated the manufacturing method of [I]. The purpose of the present invention is to
The object of the present invention is to provide a manufacturing intermediate useful for manufacturing compound [n] and an industrially advantageous manufacturing method of compound [I1] using the same.

「課題を解決するための手段」 種々検討の結果、本発明者等は下式[I]で表わされる
シス−ビス(グリコラド)(3−アミノピロリジン)白
金(II)(本発明の白金錯体[■])が化合物[I1
]を製造する上で重要な中間体となること、そしてこの
中間体を経由する化合物[II ]の製造方法は、工程
が簡単で収率が高いことを見出し、本発明を完成した。
"Means for Solving the Problems" As a result of various studies, the present inventors have discovered that the platinum complex of the present invention [ ■]) is a compound [I1
The present invention was completed based on the discovery that compound [II] is an important intermediate in the production of compound [II], and that the process for producing compound [II] via this intermediate is simple and has a high yield.

本発明の白金錯体[I]は、3−アミノピロリジンの環
上アミノ基の立体配置により一対の光学異性体が存在し
得るが、本発明はこれらの異性体およびその混合物を包
含する。
The platinum complex [I] of the present invention may have a pair of optical isomers depending on the configuration of the amino group on the ring of 3-aminopyrrolidine, and the present invention includes these isomers and mixtures thereof.

これら立体異性体は下記の通りである。These stereoisomers are as follows.

・シス−ビス(グリコラド)[(RS)−3−アミノピ
ロリジン]白金(II)  ・・・異性体I−aと呼ぶ ・シス−ビス(グリコラド)、[(R)−3−アミノピ
ロリジン]白金(II )・・・異性体1−bと呼ぶ ・シス−ビス(グリコラド)[(S)−3−アミノピロ
リジン]白金(II ) ・・・異性体I−Cと呼ぶ また、本発明の方法で製造される化合物[I1]は、特
開平1−294883号に記載されている通り、配位子
であるグリコラド基(OCOCH20−)の配位方向に
より幾何異性体が、そして3−アミノピロリジンの環状
のアミノ基の立体配置により光学異性体も存在し得る。
・Cis-bis(glycorado) [(RS)-3-aminopyrrolidine]platinum(II) ...called isomer I-a ・cis-bis(glycorado), [(R)-3-aminopyrrolidine]platinum (II)...referred to as isomer 1-b cis-bis(glycorado)[(S)-3-aminopyrrolidine]platinum(II)...referred to as isomer I-C Also, the method of the present invention As described in JP-A No. 1-294883, the compound [I1] produced by [I1] has geometric isomers depending on the coordination direction of the glycolad group (OCOCH20-) which is a ligand, and a geometric isomer of 3-aminopyrrolidine. Optical isomers may also exist depending on the configuration of the cyclic amino group.

特開平1−294683号には、化合物[I1]の幾何
異性体について、その13C−NMRスペクトル(測定
溶媒、D20 )に於いて、グリコラド基のカルボニル
に基づくピークが低磁場に出現する幾何異性体にαの記
号、高磁場に出現する幾何異性体にβの記号を付して表
示されているが、本願明細書では、化合物[II ]の
X線結晶解析結果をもとにIUPAC無機化学命名法委
員会で定められた規則により、命名する。
JP-A-1-294683 describes a geometric isomer of compound [I1] in which a peak based on the carbonyl of the glycolade group appears in a low magnetic field in its 13C-NMR spectrum (measurement solvent: D20). The geometric isomer that appears in a high magnetic field is indicated with the symbol α, and the geometric isomer that appears in a high magnetic field is indicated with the symbol β. Named according to rules established by the Law Commission.

従って、特開平1−294683号に記載された化合物
[II ]の名称と本願明細書に記載する名称は以下の
通り対応する。
Therefore, the name of compound [II] described in JP-A-1-294683 and the name described in the present specification correspond as follows.

・α−グリコラド−(3RS)−3−アミノピロリジン
白金(II ) ・・・・ ab −[グリコラド(2
−) −0,O’ ] −cd −[(RS) −3−
アミノピロリジン]白金(II)(異性体11−aと呼
ぶ) ・β−グリコラド−(3R3)−3−アミノピロリジン
白金(II)  ・・・・ ab −[グリコラド(2
−) −o、 O’ ] −dc −[(RS) −3
−アミノピロリジン]白金(II)(異性体11bと呼
ぶ〕 ・α−グリコラド−(3R)−3−アミノピロリジン白
金(II)・・・・ 8b−[グリコラド(2−)−0
,O°] −cd −[(R) −3−アミノピロリジ
ン]白金(II)(異性体11−cと呼ぶ〕 ・β−グリコラド−(3R)−3−アミノピロリジン白
金(II)・・・・ ab −[グリコラド(2−)−
0,O°] −dc−[(R) −3−アミノピロリジ
ン]白金(II)(異性体11dと呼ぶ) ・α−グリコラド−(3S)−3−アミノピロリジン白
金(II)・・・・ ab −[グリコラド(2−)−
0,O°] −cd −[(S) −3−アミノピロリ
ジン]白金(II)[異性体11−eと呼ぶ] ・β−グリコラド−(3S)−3−アミノピロリジン白
金(II)・・・・ ab −[グリコラド(2−)−
0,0’ ] −dc−[(S)−3−アミノピロリジ
ン]白金(II)(異性体11−fと呼ぶ〕 本発明の白金錯体[I1の製造方法およびこれを用いる
化合物[夏!]の製造方法を以下に説明する。
・α-Glycorado-(3RS)-3-aminopyrrolidine platinum(II) ...ab-[Glycorado(2
-) -0,O' ] -cd -[(RS) -3-
aminopyrrolidine] platinum(II) (referred to as isomer 11-a) ・β-Glycorado-(3R3)-3-aminopyrrolidineplatinum(II) ...ab-[glycorado(2
-) -o, O' ] -dc -[(RS) -3
-Aminopyrrolidine] Platinum(II) (referred to as isomer 11b) - α-Glycorado-(3R)-3-aminopyrrolidineplatinum(II)... 8b-[Glycorado(2-)-0
,O°] -cd-[(R)-3-aminopyrrolidine]platinum(II) (referred to as isomer 11-c) ・β-Glycorado-(3R)-3-aminopyrrolidineplatinum(II)...・ ab -[glycolad(2-)-
0,O°] -dc-[(R) -3-aminopyrrolidine]platinum(II) (referred to as isomer 11d) ・α-Glycorado-(3S)-3-aminopyrrolidineplatinum(II)... ab -[glycolad(2-)-
0,O°] -cd -[(S)-3-aminopyrrolidine]platinum(II) [referred to as isomer 11-e] ・β-Glycorado-(3S)-3-aminopyrrolidineplatinum(II)...・・ ab -[glycolad(2-)-
0,0'] -dc-[(S)-3-aminopyrrolidine]platinum(II) (referred to as isomer 11-f) Platinum complex of the present invention [Production method of I1 and compound using the same [Summer!] The manufacturing method will be explained below.

本発明の白金錯体[]の製造方法を反応式で示すと下記
の通りである。
The reaction formula of the method for producing the platinum complex [] of the present invention is as follows.

は、カラムクロマトグラフィー、再結晶などの通常の精
製手段で精製することができる。
can be purified by conventional purification methods such as column chromatography and recrystallization.

本発明の白金錯体[IIを用いる化合物[II ]の製
造方法は下記の反応式で示される。
The method for producing compound [II] using platinum complex [II] of the present invention is shown by the following reaction formula.

(式中、Xは前記の通りである。) すなわち、化合物[m]とグリコール酸銀とを反応させ
ることにより本発明の白金錯体[IIを製造することが
できる。
(In the formula, X is as described above.) That is, the platinum complex [II of the present invention] can be produced by reacting the compound [m] with silver glycolate.

反応は、通常、水またはDMFを溶媒とし、遮光下室温
〜100℃で30分間〜4日−間行う。
The reaction is usually carried out using water or DMF as a solvent at room temperature to 100° C. in the dark for 30 minutes to 4 days.

グリコール酸銀の使用量は、化合物[III ]に対し
て1.8〜2.5倍モル、好ましくは2.0〜2.2倍
モルである。
The amount of silver glycolate used is 1.8 to 2.5 times the mole of compound [III], preferably 2.0 to 2.2 times the mole.

上記反応で生成する本発明の白金錯体[II(式中、A
は前記の通りである。) すなわち、本発明の白金錯体[IIと塩基とを水溶媒中
で反応させることにより、化合物[!■]を製造するこ
とが出来る。
The platinum complex [II (in the formula, A
is as described above. ) That is, by reacting the platinum complex [II of the present invention with a base in an aqueous solvent, the compound [! ■] can be manufactured.

反応は0〜100℃、好ましくは20〜80℃の範囲で
10分間〜2時間行う。
The reaction is carried out at a temperature of 0 to 100°C, preferably 20 to 80°C, for 10 minutes to 2 hours.

塩基には水酸化ナトリウム、水酸化カリウム等の無機塩
基、トリエチルアミン等の3級アミンが使用される。こ
れら塩基の化合物[IIに対する使用量は、1.0〜1
.5倍モルである。
As the base, inorganic bases such as sodium hydroxide and potassium hydroxide, and tertiary amines such as triethylamine are used. The amount of these bases used for compound [II is 1.0 to 1
.. It is 5 times the mole.

上記製造方法で生成する化合物[I1]は、例えば、カ
ラムクロマトグラフィーまたは/および再結晶により精
製することができる。
Compound [I1] produced by the above production method can be purified, for example, by column chromatography and/or recrystallization.

この製造方法によると、特開平1−294683号に記
載された製造方法の場合と同様、グリコラド基の配位方
向に基く一対の幾何異性体の混合物が生成するが、生成
物を例えばメタノール−水の混合溶媒から再結晶するか
、あるいは反応液にメタノールを加えて幾何異性体のう
ちで水に対して溶解度の低い幾何異性体のみを析出させ
ることができる。また、この母液から水に対して溶解度
の低い幾何異性体をさらに得ることも出来る。すなわち
、母液中に含有される他方の幾何異性体を加熱によって
水に対して溶解度の低い幾何異性体に転移させ、これを
例えばメタノール−水の混合溶媒から析出させて得るこ
とができる。
According to this production method, as in the case of the production method described in JP-A-1-294683, a mixture of a pair of geometric isomers based on the coordination direction of the glycolad group is produced; Among the geometric isomers, only the geometric isomer with low solubility in water can be precipitated by recrystallizing from a mixed solvent of , or by adding methanol to the reaction solution. Further, geometric isomers with low solubility in water can also be obtained from this mother liquor. That is, it can be obtained by converting the other geometric isomer contained in the mother liquor into a geometric isomer with low solubility in water by heating, and precipitating this from a mixed solvent of methanol and water, for example.

「発明の効果」 本発明の白金錯体[IIから、制癌剤として有用な化合
物[I1]を収率良く容易に製造することができるので
、本発明の白金錯体[I]は化合物[II ]の有用な
製造中間体となり得る。
"Effects of the Invention" Since the compound [I1] useful as an anticancer agent can be easily produced with good yield from the platinum complex [II] of the present invention, the platinum complex [I] of the present invention is useful as a compound [II]. It can be used as a production intermediate.

しかも、本発明の白金錯体[IIは化合物[m]から1
工程で容易に製造し得るので、本発明の白金錯体[II
を経由することによって、従来、化合物[III ]か
ら3工程で製造されていた化合物[II ]を2工程で
収率よく製造できるようになった。
Moreover, the platinum complex [II of the present invention is 1 from the compound [m]
The platinum complex [II] of the present invention can be easily produced by a process.
Compound [II], which was conventionally produced from compound [III] in three steps, can now be produced in good yield in two steps.

すなわち、本発明の白金錯体[IIを使用する本発明の
製造方法によって、従来に比べ、化合物[If ]が工
業的に有利に製造可能となった。
That is, by the production method of the present invention using the platinum complex [II of the present invention], the compound [If 2 ] can be produced industrially more advantageously than in the past.

「実施例」 次に実施例を挙げて本発明を説明する。"Example" Next, the present invention will be explained with reference to Examples.

なお、実施例中に示した’ H−NMRスペクトルの化
学シフトδ(ppm)は、重水(020)を溶媒とし、
2.2−ジメチル−2−シラペンタン−5−スルホン酸
ナトリウムを内部標準として300MHzで測定した値
である。
In addition, the chemical shift δ (ppm) of the 'H-NMR spectrum shown in the examples is calculated using heavy water (020) as a solvent.
This is a value measured at 300 MHz using sodium 2.2-dimethyl-2-silapentane-5-sulfonate as an internal standard.

実施例1 シス−ジクロロ[(R3) −3−アミノピロリジン〕
白金(II)(特開平1−294683号参照) 1.
00gを水10m1に懸濁し、この懸濁液にグリコール
酸g1.r)4gを加え、遮光下室温で2日間攪拌し、
不溶物を濾過により除去した。次いで0.5%塩化ナト
リウム水溶液を、濾液に白濁が生じなくなるまで加え、
生成した沈殿を濾過して除いた。得られた水溶液を減圧
下に濃縮し、残渣にメタノール15Elllを加え、室
温で12時間放置した。析出した結晶を濾取し、無色結
晶として標記化合物1.10g(収率89.8%)を得
た。
Example 1 cis-dichloro[(R3)-3-aminopyrrolidine]
Platinum (II) (see JP-A-1-294683) 1.
00 g in 10 ml of water, and to this suspension was added 1.0 g of glycolic acid. Add 4 g of r) and stir at room temperature for 2 days in the dark,
Insoluble matter was removed by filtration. Next, 0.5% aqueous sodium chloride solution was added until the filtrate no longer became cloudy.
The formed precipitate was removed by filtration. The resulting aqueous solution was concentrated under reduced pressure, 15Ell of methanol was added to the residue, and the mixture was left at room temperature for 12 hours. The precipitated crystals were collected by filtration to obtain 1.10 g (yield: 89.8%) of the title compound as colorless crystals.

融点:175〜190℃(着色分解) I R(KBr)cm−’: 3390,3192,1
632,1592,1403゜1305.1086 ’ 11−NMR(C20)  δ: 1.89〜2.
12(2)1.m)、 2.25〜2.50(IH,m
)、2.85 〜3.35(3H,m)、  3.71
〜3.97(1)1.m)、4.00(2H,s)、4
.08(2)1.s)、 4.90〜5.25(IH,
m) 、5.25〜5.70 (IH,m) 、6.7
0 (IH,bs) 。
Melting point: 175-190°C (color decomposition) IR (KBr) cm-': 3390,3192,1
632,1592,1403°1305.1086' 11-NMR (C20) δ: 1.89-2.
12(2)1. m), 2.25-2.50 (IH, m
), 2.85 ~ 3.35 (3H, m), 3.71
~3.97(1)1. m), 4.00 (2H, s), 4
.. 08(2)1. s), 4.90-5.25 (IH,
m), 5.25-5.70 (IH, m), 6.7
0 (IH, bs).

元素分析値(C8H+aN20a P tとして)二計
算値(%)  C,22,2B、H,3,74,N、6
.50実測値(%)  C,22,1B;H,3,77
:N、6.39実施倶2 性体I−b) シス−ジクロロ[(R)−3−アミノピロリジン〕白金
(II)(特開平1−294683号参照) 13.9
4gを水150!Diに懸濁し、この懸濁液にグリコー
ル酸銀14.48 gを加え、遮光下室温で4日間攪拌
し、不溶物を濾過により除去した。次いで0.5%塩化
ナトリウム水溶液を、濾液に白濁が生じなくなるまで加
え、生成した沈殿を濾過して除いた。
Elemental analysis value (as C8H+aN20a Pt) 2 calculated value (%) C, 22, 2B, H, 3, 74, N, 6
.. 50 Actual value (%) C, 22, 1B; H, 3,77
:N, 6.39 Example 2 I-b) Cis-dichloro[(R)-3-aminopyrrolidine]platinum(II) (see JP-A-1-294683) 13.9
4g of water for 150 yen! 14.48 g of silver glycolate was added to this suspension, stirred at room temperature for 4 days in the dark, and insoluble materials were removed by filtration. Next, a 0.5% aqueous sodium chloride solution was added until the filtrate no longer became cloudy, and the formed precipitate was removed by filtration.

得られた水溶液を減圧下に濃縮し、残漬にメタノール1
5m1を加え、室温で1時間放置した。析出した結晶を
濾取し、無色結晶として標記化合物14.95 g (
収率87.6%)を得た。
The resulting aqueous solution was concentrated under reduced pressure, and 1 1/2 methanol was added to the residue.
5ml was added and left at room temperature for 1 hour. The precipitated crystals were collected by filtration to give 14.95 g of the title compound as colorless crystals (
A yield of 87.6%) was obtained.

融点:190〜210℃(着色分解) [α コ  20    +s、a °  (C−0,
5,H20)r R(KBr)cm−’: 3466.
3312,3200,3108,1539゜16N、2
394,1301.I[I91i、20113’ H−
NMR(C20)  δ: 1.89〜2.12(2H
,m)、 2.25〜2.50(1B、a+)、2.8
5 〜3.35(3H,l11)、3.71〜3.97
(1)1.m)、4.00(2H,s)、4.07 (
2)1.s)、4.90〜5.25(IH,m)、5.
25 〜5.70(IH,m)、8.70(IH,bs
)。
Melting point: 190-210°C (color decomposition) [α ko 20 +s, a ° (C-0,
5,H20)rR(KBr)cm-': 3466.
3312, 3200, 3108, 1539°16N, 2
394,1301. I[I91i, 20113' H-
NMR (C20) δ: 1.89-2.12 (2H
, m), 2.25-2.50 (1B, a+), 2.8
5 ~ 3.35 (3H, l11), 3.71 ~ 3.97
(1)1. m), 4.00 (2H, s), 4.07 (
2)1. s), 4.90-5.25 (IH, m), 5.
25 ~ 5.70 (IH, m), 8.70 (IH, bs
).

元素分析値(Ca H16N20S P tとして):
計算値(%)  C,22,28;H,3,74,N、
6.50実測値(%)  C,22,15,H,3,5
6,N、6.47実施例3 過して除いた。得られた水溶液を減圧下に濃縮し、残渣
にメタノール10■lを加え、室温で15時間放置した
。析出した結晶を濾取し、無色結晶として標記化合物7
08mg  (収率87.8%)を得た。ここで得られ
た化合物の物性分析値は実施例2で得られたシス−ビス
(グリコラド)[(R)−3−アミノピロリジン]白金
(II )のそれに一致した。
Elemental analysis value (as Ca H16N20S Pt):
Calculated value (%) C, 22, 28; H, 3, 74, N,
6.50 Actual value (%) C, 22, 15, H, 3, 5
6,N, 6.47 Example 3 Removed by filtration. The resulting aqueous solution was concentrated under reduced pressure, 10 liters of methanol was added to the residue, and the mixture was allowed to stand at room temperature for 15 hours. The precipitated crystals were collected by filtration and the title compound 7 was obtained as colorless crystals.
08 mg (yield 87.8%) was obtained. The physical property analysis values of the compound obtained here corresponded to those of cis-bis(glycorado)[(R)-3-aminopyrrolidine]platinum(II) obtained in Example 2.

実施例4 シス−ショート[(R)−3−アミノピロリジン]白金
(II)[水を溶媒として(R)−3−アミノピロリジ
ン、塩化第一白金酸カリウムおよびヨウ化カリウムを反
応させ合成した] 1.OgをN、N−ジメチルホルム
アミド5mlに溶解し、この溶液にグリコール酸銀BB
4mgを加え、遮光下室温で1時間攪拌した。反応液に
水15m1を加え、室温で更に20分間攪拌した。不溶
物を濾過により除去した後、0.5%塩化ナトリウム水
溶液を、濾液に白濁が生じなくなるまで加え、生成した
沈殿を濾性体1−c) シス−ショート[(S)−3−アミノピロリジン]白金
(II)(水を溶媒として(S)−3−アミノピロリジ
ン、塩化第一白金酸カリウムおよびヨウ化カリウムを反
応させて合成した) 1.0 gをN、N−ジメチルホ
ルムアミド5mlに溶解し、この溶液にグリコール酸銀
684mgを加え、遮光下室温で1時間攪拌した。反応
液に水15鱈を加え、室温でさらに20分間攪拌した。
Example 4 Cis-short [(R)-3-aminopyrrolidine]platinum(II) [Synthesized by reacting (R)-3-aminopyrrolidine, potassium chloride platinum, and potassium iodide using water as a solvent] 1. Dissolve Og in 5 ml of N,N-dimethylformamide, and add silver glycolate BB to this solution.
4 mg was added, and the mixture was stirred at room temperature for 1 hour in the dark. 15 ml of water was added to the reaction solution, and the mixture was further stirred at room temperature for 20 minutes. After removing insoluble materials by filtration, 0.5% aqueous sodium chloride solution was added until the filtrate no longer became cloudy, and the resulting precipitate was collected as filter material 1-c) cis-short [(S)-3-aminopyrrolidine] ] Platinum (II) (synthesized by reacting (S)-3-aminopyrrolidine, potassium chloride platinum, and potassium iodide using water as a solvent) 1.0 g was dissolved in 5 ml of N,N-dimethylformamide. Then, 684 mg of silver glycolate was added to this solution, and the mixture was stirred at room temperature for 1 hour in the dark. 15 pieces of water were added to the reaction solution, and the mixture was further stirred at room temperature for 20 minutes.

不溶物を濾過により除去した後、0.5%塩化ナトリウ
ム水溶液を、濾液に白濁が生じなくなるまで加え、生成
した沈殿を濾過して除いた。得られた水溶液を減圧下に
濃縮し、残漬にメタノール10111を加え、室温で1
5時間放置した。析出した結晶を濾取し、無色結晶とし
て標記化合物685mg  (収率85.0%)を得た
After removing insoluble matter by filtration, a 0.5% aqueous sodium chloride solution was added until the filtrate no longer became cloudy, and the formed precipitate was removed by filtration. The resulting aqueous solution was concentrated under reduced pressure, and methanol 10111 was added to the residue, and the solution was evaporated at room temperature.
It was left for 5 hours. The precipitated crystals were collected by filtration to obtain 685 mg (yield: 85.0%) of the title compound as colorless crystals.

融点:190〜213℃(着色分解) [α] ”  −8,8” (C−0,5,)120)
I R(KBr)cm−’: 3462,3316,3
200,3108,1638゜1613.1394,1
302.1096.1084’H−NMR(020) 
 δ: 1.89〜2.12(2H,m)、 2.25
〜2.50(IH,m)、2.85〜3.35(38,
m)、 3.71〜3.97(IH,m)、4.00(
2B、S)、4.08(2H,S)、 4.90〜5.
25(IH,m)、5.25〜5.70(IH,m)、
6.70(IH,、bS)。
Melting point: 190-213℃ (color decomposition) [α] "-8,8" (C-0,5,)120)
IR(KBr)cm-': 3462,3316,3
200,3108,1638゜1613.1394,1
302.1096.1084'H-NMR (020)
δ: 1.89-2.12 (2H, m), 2.25
~2.50 (IH, m), 2.85 ~ 3.35 (38,
m), 3.71-3.97 (IH, m), 4.00 (
2B, S), 4.08 (2H, S), 4.90-5.
25 (IH, m), 5.25 to 5.70 (IH, m),
6.70 (IH,, bS).

元素分析値(Ca H16N206 P tとして):
計算イL! (% )     C,22,28:H,
3,74:N、6.50実測値(%)  C,22,1
8;H,3,73;N、6.47実施例5 ab−[グリコラド(2−) −〇、O’ ]cd−(
R3)−3−アミノピロリジン  全実施例1のシス−
ビス(グリコラド)[(R5)−3−アミノピロリジン
]白金(II)1.10gを水2mlに懸濁し、この懸
濁液にINの水酸化ナトリウム水溶液2.55m1を加
え、室温で1時間攪拌した。反応液(異性体11−aと
異性体11−bが生成している)を濾過し、濾液にメタ
ノール50m1を加え、5℃で4日間放置した。析出し
た結晶を濾取し、無色結晶として標記化合物488B 
 (収率53.9%)を得た。
Elemental analysis value (as Ca H16N206 Pt):
Calculation L! (%) C, 22, 28:H,
3,74:N, 6.50 actual value (%) C, 22,1
8; H, 3,73; N, 6.47 Example 5 ab-[glycolad(2-)-〇,O']cd-(
R3)-3-Aminopyrrolidine Cis- of all Examples 1
1.10 g of bis(glycorado)[(R5)-3-aminopyrrolidine]platinum(II) was suspended in 2 ml of water, 2.55 ml of IN aqueous sodium hydroxide solution was added to this suspension, and the mixture was stirred at room temperature for 1 hour. did. The reaction solution (in which isomer 11-a and isomer 11-b were produced) was filtered, 50 ml of methanol was added to the filtrate, and the mixture was left at 5° C. for 4 days. The precipitated crystals were collected by filtration and the title compound 488B was obtained as colorless crystals.
(yield 53.9%).

融点:192℃付近で灰色に着色し始め207℃付近で
黒色化して分解 IR(にBr)cm−’ + 3448.3128.2
992.2880゜2812、1668.1340.1
298゜’H−NMR(020)δ: 1.88〜2.
07 (2H,m) 、 2.43 (1)1゜dcl
、J−10)1z、1)1z)、 3.05(IH,d
、J−10Hz)、 3.18(18,d、J−4)1
z) 、 3.21〜3.34 (1)1.m) 、 
3.71〜3.80(IH,m)、 3.98(2)1
.s)。
Melting point: Begins to turn gray around 192°C, turns black around 207°C and decomposes IR (Br) cm-' + 3448.3128.2
992.2880°2812, 1668.1340.1
298°'H-NMR (020) δ: 1.88-2.
07 (2H, m), 2.43 (1) 1°dcl
, J-10)1z, 1)1z), 3.05(IH,d
, J-10Hz), 3.18 (18, d, J-4) 1
z), 3.21-3.34 (1)1. m),
3.71-3.80 (IH, m), 3.98 (2) 1
.. s).

元素分析値(C8HI2N203 P tとして)計算
値(%)  C,20,29,H,3,40,N、7.
89実測値(%)  C,2D、37.H,3,28,
N、7.96実施例6 実施例2のシス−ビス(グリコラド)[(R)−3−ア
ミノピロリジン〕白金(II ) 12.62 gを水
10m1に懸濁し、この懸濁液にINの水酸化ナトリウ
ム水溶液29.3+++1を加え、室温で1時間攪拌し
た。反応液(異性体11−cと異性体11dが生成して
いる)を濾通し、濾液にメタノール4001を加え、5
℃で4日間放置した。析出した結晶な濾取し、無色結晶
として標記化合物4.72g (収率45.4%)を得
た。
Elemental analysis value (as C8HI2N203 P t) Calculated value (%) C, 20, 29, H, 3, 40, N, 7.
89 Actual value (%) C, 2D, 37. H,3,28,
N, 7.96 Example 6 12.62 g of cis-bis(glycorado)[(R)-3-aminopyrrolidine]platinum(II) from Example 2 was suspended in 10 ml of water, and this suspension was added with IN. 29.3++1 of a sodium hydroxide aqueous solution was added, and the mixture was stirred at room temperature for 1 hour. The reaction solution (isomer 11-c and isomer 11d are produced) was filtered, methanol 4001 was added to the filtrate, and 5
It was left at ℃ for 4 days. The precipitated crystals were collected by filtration to obtain 4.72 g (yield: 45.4%) of the title compound as colorless crystals.

融点:196℃付近で灰色に着色し始め214℃付近で
黒色化して分解 [α コ  ”  +12.2 °   (C−0,5
,H2O)ロ ー R(KBr)cm−’ : 3442.311B、
 2992.2B90゜2816、1669.1657
.1347.1310’H−NMR(020)δ:  
1.88〜2.07(2H,+a)、2.43(IH。
Melting point: It begins to turn gray around 196°C, turns black around 214°C, and decomposes [α +12.2° (C-0,5
, H2O) rho R(KBr) cm-': 3442.311B,
2992.2B90°2816, 1669.1657
.. 1347.1310′H-NMR(020)δ:
1.88-2.07 (2H, +a), 2.43 (IH.

dd、J=10Hz、IHz)、3.05(IH,d、
J−10)1z)、3.18(IH,d、J−4Hz)
、3.21〜3.34(IH,m)、3.71〜3.8
0 (1)1.+e) 、  3.98 (2H,s)
 。
dd, J=10Hz, IHz), 3.05(IH, d,
J-10) 1z), 3.18 (IH, d, J-4Hz)
, 3.21-3.34 (IH, m), 3.71-3.8
0 (1)1. +e), 3.98 (2H,s)
.

元素分析値(C6H12N20s P tとして):計
算値(%)  C,20,29,H,3,4D、N、7
.89実測値(%)  C,20,19;H,3,21
:N、7.85実施例7 実施例2のシス−ビス(グリコラド)[(R)−3−ア
ミノピロリジン]白金(II)1.0(Igを水2ml
に懸濁し、この懸濁液にトリエチルアミン0.23gを
加え、室温で40分間攪拌した。反応液(異性体11−
cと異性体11−dが生成している)を濾過し、濾液に
メタノール20m1を加え、5℃で4日間放置した。析
出した結晶を濾取し、無色結晶として標記化合物389
+ag  (収率47.2%)を得た。
Elemental analysis value (as C6H12N20s P t): Calculated value (%) C, 20, 29, H, 3, 4D, N, 7
.. 89 Actual value (%) C, 20, 19; H, 3, 21
:N, 7.85 Example 7 cis-bis(glycorado)[(R)-3-aminopyrrolidine]platinum(II) of Example 2 (1.0 (Ig) in 2 ml of water
0.23 g of triethylamine was added to this suspension, and the mixture was stirred at room temperature for 40 minutes. Reaction solution (isomer 11-
c and isomer 11-d) were filtered, 20 ml of methanol was added to the filtrate, and the mixture was left at 5° C. for 4 days. The precipitated crystals were collected by filtration, and the title compound 389 was obtained as colorless crystals.
+ag (yield 47.2%) was obtained.

ここで得られた化合物の物性分析値は実施例6で得られ
たab−[グリコラド(2−) −〇。
The physical property analysis values of the compound obtained here are ab-[glycolad(2-)-〇 obtained in Example 6.

0°]−cd −[(R)−3−アミノピロリジン]白
金(II)(異性体1l−c)のそれに一致した。
0°]-cd-[(R)-3-aminopyrrolidine]platinum(II) (isomer 11-c).

実施例8 の混合物 実施例2のシス−ビス(グリコラド)[(R)−3−ア
ミノピロリジン]白金(II ) 500mgを水1m
lに懸濁し、この懸濁液にINの水酸化ナトリウム水溶
液1.16m1を加え、室温で1時間攪拌した。反応液
(異性体11−cと異性体11dが生成している)を減
圧下に濃縮し、残漬をシリカゲルカラムクロマトグラフ
ィー[展開溶媒:メタノール−水(10:1)]により
精製した。溶出液を薄層クロマトグラフィー[薄層板:
 Kieselgel [i[IF254、メルク社製
、展開溶媒:メタノール−水(10:1) ] テモニ
ターし、Rf値約0.2 +7)化合物を含む両分を集
めた。溶媒を減圧下留去し、残漬に少量のメタノールを
加え結晶を濾取し、無色結晶としてab−[グリコラド
(2−)−0,O’ ]−cd −[(R)−3−アミ
ノピロリジン〕白金(n)(異性体1l−e)とab−
[グリコラド(2−)−0,O’ ] −dc−[(R
)−3−アミノピロリジン]白金(II)(異性体1l
−d)との約7:3の混合物337+ag(収率81.
8%)を得た。
Mixture of Example 8 500 mg of cis-bis(glycorado)[(R)-3-aminopyrrolidine]platinum(II) of Example 2 was added to 1 ml of water.
1.16 ml of IN aqueous sodium hydroxide solution was added to this suspension, and the mixture was stirred at room temperature for 1 hour. The reaction solution (in which isomer 11-c and isomer 11d were produced) was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography [developing solvent: methanol-water (10:1)]. The eluate was subjected to thin layer chromatography [thin layer plate:
Kieselgel [i[IF254, manufactured by Merck & Co., Ltd., developing solvent: methanol-water (10:1)] was monitored, and both fractions containing the compound (Rf value about 0.2 +7) were collected. The solvent was distilled off under reduced pressure, a small amount of methanol was added to the residue, and the crystals were collected by filtration to give ab-[glycolad(2-)-0,O']-cd-[(R)-3-amino as colorless crystals. pyrrolidine] platinum (n) (isomers 1l-e) and ab-
[Glycolade(2-)-0,O']-dc-[(R
)-3-aminopyrrolidine] platinum(II) (isomer 1l
-d) in an approximately 7:3 mixture 337+ag (yield 81.
8%).

’H−NMR(D20)6 : 1.88〜2.07(
2H,m)、2.39(0,3H、dd) 、2.43
 (0,7H,dd) 、3.05 (0,7H,d)
 、3.08 (0,3H,d)、3.17〜3.34
(2H,m)、3.70〜3.80(IH。
'H-NMR (D20) 6: 1.88-2.07 (
2H, m), 2.39 (0,3H, dd), 2.43
(0,7H, dd) , 3.05 (0,7H, d)
, 3.08 (0,3H,d), 3.17-3.34
(2H, m), 3.70-3.80 (IH.

m) 、3.98 (1,4H,S) 、4.04 (
0,6H,S) 。
m), 3.98 (1,4H,S), 4.04 (
0,6H,S).

実施例9 −3−アミノピロリジン 白金(II)(異性体 11−d  との約3ニアの混合物 シス−ビス(グリコラド)[(R)−3−アミノピロリ
ジン]白金(TI)(実施例2と同様にして合成した)
 2.0gを水2mlに懸濁し、この懸濁液にINの水
酸化ナトリウム水溶液464m1を加え、室温で1時間
攪拌した。反応液(異性体11−cと異性体Iidが生
成している)を濾過し、濾液にメタノール5hlを加え
、5℃で3日間放置した。析出物を濾取し、無色結晶A
 711mgを得た。
Example 9 -3-Aminopyrrolidine Platinum (II) (approximately 3 nia mixture with isomer 11-d cis-bis(glycorado)[(R)-3-aminopyrrolidine]platinum (TI) (as in Example 2) (Synthesized in the same way)
2.0 g was suspended in 2 ml of water, 464 ml of IN aqueous sodium hydroxide solution was added to this suspension, and the mixture was stirred at room temperature for 1 hour. The reaction solution (in which isomer 11-c and isomer Iid were produced) was filtered, 5 hl of methanol was added to the filtrate, and the mixture was left at 5° C. for 3 days. Collect the precipitate by filtration to obtain colorless crystals A.
711 mg was obtained.

結晶Aの母液を減圧下に濃縮し、残漬をシリカゲルカラ
ムクロマトグラフィー[展開溶媒:メタノール−水(1
o:1)]により精製した。溶出液を薄層クロマトグラ
フィー[薄層板: Kiese1ge160F2S4、
メルク社製、展開溶媒:メタノール−水(10:1)]
でモニターし、Rf値約0.2の化合物を含む画分を集
めた。溶媒を減圧下留去し、残漬を水2mlに溶解し6
0℃で4時間攪拌の後、メタノール201を加え、5℃
で1晩放置した。析出物を濾取し無色結晶8224mg
を得た。
The mother liquor of crystal A was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography [developing solvent: methanol-water (1
o:1)]. The eluate was subjected to thin layer chromatography [thin layer plate: Kiese1ge160F2S4,
Manufactured by Merck & Co., developing solvent: methanol-water (10:1)]
The fractions containing the compound with an Rf value of about 0.2 were collected. The solvent was distilled off under reduced pressure, and the residue was dissolved in 2 ml of water.
After stirring at 0°C for 4 hours, methanol 201 was added and the mixture was heated to 5°C.
It was left overnight. The precipitate was collected by filtration and 8224 mg of colorless crystals were obtained.
I got it.

さらに、結晶Bの母液を60℃で7時間攪拌した後、5
℃で1晩放置し析出物を濾取し無色結晶C33mgを得
た。
Furthermore, after stirring the mother liquor of crystal B at 60°C for 7 hours,
The mixture was left to stand overnight at °C, and the precipitate was collected by filtration to obtain 33 mg of colorless crystals C.

上記結晶A%BおよびCのNMRスペクトルは、実施例
6で得られた異性体!I−cのそれに一致し、結晶A%
BおよびCは異性体11−cであることが確認された(
収率5B、8k)。
The NMR spectra of the above crystals A%B and C are the isomers obtained in Example 6! Consistent with that of I-c, crystal A%
B and C were confirmed to be isomer 11-c (
Yield 5B, 8k).

さらに結晶Cの母液を減圧下に濃縮乾固し、残漬をエタ
ノール3mlで洗浄し無色結晶298mg(収率18.
1k)を得た。NMRスペクトルからこの結晶は、異性
体11−cと異性体11−dとの約3ニアの混合物であ
ることが確認された。
Further, the mother liquor of crystal C was concentrated to dryness under reduced pressure, and the residue was washed with 3 ml of ethanol to obtain 298 mg of colorless crystals (yield: 18.
1k) was obtained. It was confirmed from the NMR spectrum that this crystal was a mixture of about 3 Nia of isomer 11-c and isomer 11-d.

Claims (2)

【特許請求の範囲】[Claims] (1)下式[ I ] ▲数式、化学式、表等があります▼[ I ] で表わされる白金錯体。(1) Below formula [I] ▲There are mathematical formulas, chemical formulas, tables, etc.▼[I] A platinum complex represented by (2)下式[ I ] ▲数式、化学式、表等があります▼[ I ] で表わされる白金錯体と塩基とを反応させることを特徴
とする下式[II] ▲数式、化学式、表等があります▼[II] (式中、Aは−OCOCH_2O−で表わされる配位子
を示す。) で表わされる白金錯体の製造方法。
(2) The following formula [I] ▲ Contains mathematical formulas, chemical formulas, tables, etc. ▼ The following formula [II] characterized by reacting the platinum complex represented by [I] with a base ▲ Contains mathematical formulas, chemical formulas, tables, etc. ▼[II] (In the formula, A represents a ligand represented by -OCOCH_2O-.) A method for producing a platinum complex represented by the following.
JP15622290A 1990-06-14 1990-06-14 New platinum complex and production of (glycolate) (3-aminopyrrolidine)platinum (ii) using the same Pending JPH0449295A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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JPH0449295A true JPH0449295A (en) 1992-02-18

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