JPS6067426A - Low-toxic carcinostatic agent and its preparation - Google Patents

Low-toxic carcinostatic agent and its preparation

Info

Publication number
JPS6067426A
JPS6067426A JP58176832A JP17683283A JPS6067426A JP S6067426 A JPS6067426 A JP S6067426A JP 58176832 A JP58176832 A JP 58176832A JP 17683283 A JP17683283 A JP 17683283A JP S6067426 A JPS6067426 A JP S6067426A
Authority
JP
Japan
Prior art keywords
carcinostatic
formula
conjugate
maleic anhydride
copolymer
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
JP58176832A
Other languages
Japanese (ja)
Other versions
JPS6232172B2 (en
Inventor
Takashi Hirano
隆 平野
Shinichi Ohashi
信一 大箸
Satoshi Morimoto
森本 敏
Masaru Shiraki
白木 勝
Keishiro Tsuda
津田 圭四郎
Tomoo Kobayashi
知雄 小林
Shigeru Tsukagoshi
塚越 茂
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP58176832A priority Critical patent/JPS6067426A/en
Publication of JPS6067426A publication Critical patent/JPS6067426A/en
Publication of JPS6232172B2 publication Critical patent/JPS6232172B2/ja
Granted legal-status Critical Current

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  • Saccharide Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PURPOSE:To provide a carcinostatic agent having low toxicity and excellent carcinostatic effect, by bonding a carcinostatic substance to a divinyl ether- maleic anhydride copolymer having a specific molecular weight, and using the bonded product as an active component. CONSTITUTION:The objective carcinostatic agent contains 5-40wt% active component comprising the polymeric compound of formula I (R is residue capable of giving carcinostatic activity, e.g. the group of formula II, etc.; n is a number corresponding to the molecular weight of 2,000-15,000 of the divinyl ether- maleic anhydride copolymer bonded to R) and its salt. The agent has excellent slow-releasing property and low toxicity, and furthermore, excellent casrcinostatic effect compared with the single use of the carcinostatic substance, by the synergistic effect with the copolymer having carcinostatic activity by itself. The compound of formula I can be prepared by reacting the copolymer of formula IIIwith a carcinostatic substance (e.g. 5-fluorouridine) in an organic solvent such as N-methylpyrrolidone in the presence of a catalyst such as triethylamine, hydrolyzing the reaction product, and if necessary, converting to a salt.

Description

【発明の詳細な説明】 本発明は新規な制ガン剤及びその製造方法に関し、−さ
らに詳しくは特定の分子量を有するジビニルエーテル−
無水マレイン酸共重合体に、制ガン活性物質を結合させ
たものを活性成分として成る、低j8性かつ制ガン効果
に優れた制ガン剤及びその製1告力法に関するものであ
る。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a novel anticancer agent and a method for producing the same, and more particularly to a divinyl ether having a specific molecular weight.
The present invention relates to an anticancer agent with low j8 properties and excellent anticancer effect, which is composed of a maleic anhydride copolymer bound to an anticancer active substance, and a method for producing the same.

近年、優わた制ガン効果を有する物質として5−フルオ
ロウリジンやl−β−D−アラビノフラノ/ルントノン
のような核酸誘導体、あるいはアドリアマイシンやダウ
ンマイシンのようなアントラザイクリン系抗生物質など
が見出されている。
In recent years, nucleic acid derivatives such as 5-fluorouridine and l-β-D-arabinofurano/lunthonone, and anthrazycline antibiotics such as adriamycin and downmycin have been discovered as substances with excellent anticancer effects. ing.

しかしながら、これらの制ガン活性物質は、優れた制ガ
ン効果を有すると同時に、正常細胞に対しても強い毒性
を示す欠点を有し、したがってその使用に除しては、副
作用に対して十二分な注意が必要でアバそのため少量づ
つ多数回投与するなど煩雑な方法がとられている。
However, while these cancer-fighting active substances have excellent cancer-fighting effects, they also have the drawback of being highly toxic to normal cells. Therefore, complicated methods such as administering small doses multiple times are used.

ところで、前記のような低分子化合物である制ガン活性
l吻質を高分子化合物に結合させた場合、該制ガン活性
物質は体内で徐々に放出されてその濃度が一定に保たれ
、1庭そのものの体内分布が変り、毒性が軽減されて制
ガン効果が高まることが期待される。
By the way, when the above-mentioned low-molecular-weight compound with anti-cancer activity is bonded to a high-molecular compound, the anti-cancer active substance is gradually released in the body and its concentration is kept constant. It is expected that the distribution of the substance in the body will change, reducing its toxicity and increasing its anticancer effect.

本発明者らは、このような事情に鑑み、活性水素を有す
る制ガン活性物質を結合させる高分子化合物について鋭
意研究を重ねた結果、ある特定の分子量を有するジビニ
ルエーテル−無水マレイン酸共重合体は、それ自体優れ
た制ガン効果を有し、かつ毒性が極めて低く、また分子
中に多数の酸無水物構造を有しているため、活性水素を
もつ制ガン活性物質と容易に反応し、しかもこの反応物
は温和な条件下で前記制ガン活性物質を徐々に放出する
など、該制ガン活性物質の担体として極めて優れている
ことを見出し、この知見に基づいて本発明を完成するに
至った。
In view of these circumstances, the present inventors have conducted intensive research on polymer compounds that bind anticancer active substances having active hydrogen, and have found that a divinyl ether-maleic anhydride copolymer having a specific molecular weight has been developed. has an excellent anticancer effect in itself, has extremely low toxicity, and has many acid anhydride structures in its molecule, so it easily reacts with anticancer active substances that have active hydrogen. Moreover, it was discovered that this reaction product gradually releases the anti-cancer active substance under mild conditions, and is extremely excellent as a carrier for the anti-cancer active substance.Based on this knowledge, the present invention was completed. Ta.

すなわち、本発明は、一般式 (式中のRは制ガン活性を与える残基、nはRと結合す
るジビニルエーテル−無水マレイン酸共重合体の分子量
2 、000〜15,000に相当する値でろる) で示される高分子化合物及びその薬理的に許容しつる塩
類を活性成分として成る制ガン剤、及び有機溶媒の存在
下、分子z2.ooo〜15,000を有するジビニル
エーテル−無水マレイン酸共重合体に、活性水素を有す
る制ガン活性物質を反応させだのち加水分解し、次いで
所望に応じ塩に変えることを特徴とする、前記一般式(
1)で示される制ガン剤及びその塩類の製造方法を提供
するものである。
That is, the present invention is based on the general formula (where R is a residue imparting anticancer activity, and n is a value corresponding to the molecular weight of the divinyl ether-maleic anhydride copolymer bonded to R, 2,000 to 15,000). Molecule z2. The above-mentioned general method is characterized in that a divinyl ether-maleic anhydride copolymer having a molecular weight of 15,000 to 15,000 is reacted with an anticancer active substance having active hydrogen, and then hydrolyzed and then converted into a salt as desired. formula(
The present invention provides a method for producing the anticancer agent and its salts shown in 1).

本発明に用いるジビニルエーテル−無水マレイン酸共重
合体は、次の式 %式% (式中のnは該共重合体の分子量2,000〜15,0
00に相当する値である) で示される分子量が2.000〜15,000の範囲の
ものであって、ジビニルエーテルと無水マレイン酸とを
公知の方法に従って共重合させることにょp得られる。
The divinyl ether-maleic anhydride copolymer used in the present invention has the following formula % formula % (in the formula, n is the molecular weight of the copolymer 2,000 to 15,0
It has a molecular weight in the range of 2.000 to 15,000, and can be obtained by copolymerizing divinyl ether and maleic anhydride according to a known method.

このジビニルエーテル−無水マレイン酸共重合体は制ガ
ン活性、抗菌性、インターフェロン誘発能などの種々の
活性を有しているが、その分子量が2 、000未満の
ものは前記活性が低く、その上納金した制ガン活性物質
の徐放性に問題がラシ、一方15,000を超えると毒
性が強くなって好ましくない。
This divinyl ether-maleic anhydride copolymer has various activities such as anticancer activity, antibacterial activity, and interferon-inducing ability, but those with a molecular weight of less than 2,000 have low activities, and There are many problems with the sustained release of the paid anticancer active substance, and on the other hand, if it exceeds 15,000, it becomes undesirably toxic.

丑だ、前記共重合体は、その分子中に多数の酸無水物構
造を有しているた板氷酸基、アミノ基、メルカプト基な
どの活性水素を有する制ガン活性物質と容易に反応して
、それぞれエステル結合、アミド結合、チオエステル結
合を形成しつる。
Unfortunately, the copolymer has many acid anhydride structures in its molecule and easily reacts with anticancer active substances that have active hydrogen such as acid groups, amino groups, and mercapto groups. They form ester bonds, amide bonds, and thioester bonds, respectively.

本発明に用いられる制ガン活性物質としては、例えば水
酸基を含有するものとして、5−フルオロウリ7ン、ア
ミン基を含有するものとして、1−β−D−アラビノフ
ラノシルシトシン、アドリアマイシンやダウンマイシン
のようなアントラサイクリン系抗生′吻質などが挙げら
れる。前記一般式(+)におけるこれらの制ガン活性物
質の残基■(を次に示す。
Examples of anticancer active substances used in the present invention include those containing a hydroxyl group, such as 5-fluorourinine, and those containing an amine group, such as 1-β-D-arabinofuranosylcytosine, adriamycin, and downmycin. Examples include anthracycline antibiotics such as. The residue () of these anticancer active substances in the general formula (+) is shown below.

R’= ca3 ダウノマイシン残基 不発明の制ガン剤は、例えばN−メチルビロリド7など
の有機溶媒、トリエチルアミンなどの触媒の存在下、ジ
ビニルエーテル−無水マレイン酸共重合体と前記の制ガ
ン活性物質とを反応させたのち加水分解し、次いでイオ
ン交換樹脂や限外ろ過膜などを用いて目的物以外のもの
を取り除いたのち、凍結乾燥などを行うことによって得
られる。
R' = ca3 daunomycin residue The uninvented anticancer agent is obtained by reacting a divinyl ether-maleic anhydride copolymer with the above-mentioned anticancer active substance in the presence of an organic solvent such as N-methylpyrolide 7 and a catalyst such as triethylamine. After that, it is hydrolyzed, then anything other than the target substance is removed using an ion exchange resin or an ultrafiltration membrane, and then it is obtained by freeze-drying or the like.

1だ、所望に応じ、前記の加水分解後、薬理的に許容し
うる塩、例えばナトリウム塩、カリウム塩、カル/ラム
塩、マグネシウム塩などに変えたのち、限外ろ過、凍結
乾燥などを行い、塩として取り出してもよい。
1. If desired, after the above-mentioned hydrolysis, after changing to a pharmacologically acceptable salt, such as sodium salt, potassium salt, Cal/Rum salt, magnesium salt, etc., perform ultrafiltration, freeze-drying, etc. , may be taken out as salt.

このようにして得られた制ガン剤中の制ガン活性物質の
含有敏は、好ましくは5〜40重量係重量囲である。
The content of the anticancer active substance in the anticancer agent thus obtained is preferably in the range of 5 to 40% by weight.

本発明の制ガン剤における制ガン活性物質の徐放性につ
いては、例えばアドリアマイシンとジビニルエーテル−
無水マレイン酸共重合体との結合物の場合、試験管内の
0.1規定、pH7,21Jン酸2週間で約20%であ
った。また1−β−D−アラビノフラノシルシトシンと
該共重合体との結合物の場合、試験管内の生理食塩水溶
液中における制ガン活性物質の放出速度は、1週間で5
0%程度であった。
Regarding the sustained release of the anticancer active substance in the anticancer agent of the present invention, for example, adriamycin and divinyl ether
In the case of the conjugate with maleic anhydride copolymer, the concentration was about 20% in a test tube at 0.1 N, pH 7, and 21 J acid for 2 weeks. In addition, in the case of a conjugate of 1-β-D-arabinofuranosylcytosine and the copolymer, the release rate of the anticancer active substance in a physiological saline solution in a test tube was 5% per week.
It was about 0%.

さらに、p388白血病の雄のCDF jマウスを用い
た制ガン効果については、例えばアドリアマイシンと該
共重合体との結合物では最高延命率570チ(60日生
存5/6)、アトリアマイノン単独では同85係(60
日生存O/6)であり、1−β−り一アラビノフラノ/
ルシトシンと該共重合体との結合物では最高延命率12
5%、1−β−D−アラビノフラノシルシトシン単独で
は同10%であったO このように、本発明の制ガン剤は、制ガン活性物質の徐
放性に優れ低毒性である上に、それ自体制ガン活性をも
つ該共重合体との相乗効果によシ、該制ガン活性!吻質
を単独で用いる場合に比べて、優れた制ガン効果を有す
る。
Furthermore, regarding the anticancer effect using male CDF j mice with p388 leukemia, for example, the combination of adriamycin and the copolymer had the highest survival rate of 570 chi (60-day survival 5/6), while atriamynon alone had a Section 85 (60
day survival O/6), and 1-β-ri1 arabinofurano/
The highest life extension rate for a combination of lucitosine and this copolymer is 12
5%, and 10% for 1-β-D-arabinofuranosylcytosine alone.As described above, the anticancer agent of the present invention not only has excellent sustained release properties of anticancer active substances, but also has low toxicity. Due to the synergistic effect with the copolymer, which itself has anticancer activity, the anticancer activity! It has an excellent anticancer effect compared to when the proboscis is used alone.

6 Itr 中i all ’X7. Ftj # 4
511 W ヒ /)−r −k 5#日日ズ一−!r
c−IF詳糸用K g見1月する。
6 Itr medium i all 'X7. Ftj #4
511 W hi /)-r -k 5# day day 1-! r
c-IF detailed thread K g I will look at it in January.

i :t、−、、/ビニルエーテルー無水マレイ/酸共
重合体をI)IV’ICIt4Aと略記する。
i:t, -, ,/vinyl ether-male anhydride/acid copolymer is abbreviated as I)IV'ICIt4A.

実M11例15−フルオロウリジン−DIIMA結合物 1)IVEMA (分子化7000 ) 5(’to 
TnfをN−メチルピロリドン20 yneに溶かし、
5−フルオロウリジン1.00i/及びトリエチルアミ
ンOAOmeを加えて、室温下40時間かき1ぜ反応さ
せた。この反応混合物を500+++i!の水中に投入
し、炭酸水素ナトリウムを加えてpH8に調整したのち
、2時間放置した。次いでIN塩酸を加えてpH3に調
整後、ダイアフローメンブレン(YM−5)を用い限外
ろ過して未反応物、有機溶媒、塩を除いたのち、凍結乾
燥して目的物593mgを白色粉末として得た。
Actual M11 Example 15-fluorouridine-DIIMA conjugate 1) IVEMA (Molecularization 7000) 5('to
Dissolve Tnf in 20 yne of N-methylpyrrolidone,
1.00 i/ml of 5-fluorouridine and triethylamine OAOme were added, and the mixture was stirred and reacted at room temperature for 40 hours. This reaction mixture was heated to 500+++i! After adding sodium bicarbonate to adjust the pH to 8, the mixture was left to stand for 2 hours. Next, after adjusting the pH to 3 by adding IN hydrochloric acid, ultrafiltration was performed using a diaflow membrane (YM-5) to remove unreacted substances, organic solvents, and salts, and lyophilization was performed to obtain 593 mg of the target product as a white powder. Obtained.

このもののUV吸収量からめた5−フルオロウリノン含
有量は361重敏係であった。
The 5-fluorourinone content of this product was 361% based on the amount of UV absorption.

結合物 DIVKMA (分子量7000) 500mgをN−
メチ/lzピロリドン20meに溶かし、5−フルオロ
ウリジン75mg及びトリエチルアミン0.10+ne
を加えて、室温下40時間かきまぜ反応させた。
Conjugate DIVKMA (molecular weight 7000) 500mg N-
Dissolved in methi/lz pyrrolidone 20me, 5-fluorouridine 75mg and triethylamine 0.10+ne
was added thereto, and the mixture was stirred and reacted at room temperature for 40 hours.

反応混合物を実施例1と同様の方法で処理して目的物4
90 m(/を得た。このものの5−フルオロウリジン
含有量は16.1重量%であった。
The reaction mixture was treated in the same manner as in Example 1 to obtain the desired product 4.
90 m(/) was obtained. The 5-fluorouridine content of this was 16.1% by weight.

DIVKMA (分子量7000 ) 500 m’j
をN−メチルピロリドン40−に溶かし、1−β−D−
アラビノフラノシルシトシンi、oo r及びトリエチ
ルアミン0.25meを加えて、室温下40時間かきま
ぜ反応させた。次いで反応混合物を500艷の水中に投
入したのち、炭酸水素ナトリウムを加えてpH8に調整
後、2時間放置した。次にIN塩酸を加えてpHをいっ
たん3付近に下げたのち、IN水酸化ナトリウム水溶液
でpH5に戻し、ダイアフローメンブレン(YM−5)
を用い限外ろ過して未反応物、有機溶媒、塩を除き、凍
結乾燥して目的物930mfを白色粉末として得だ。
DIVKMA (molecular weight 7000) 500 m'j
was dissolved in N-methylpyrrolidone 40-, and 1-β-D-
Arabinofuranosylcytosine i, oo r and 0.25 me of triethylamine were added, and the mixture was stirred and reacted at room temperature for 40 hours. Next, the reaction mixture was poured into 500 liters of water, and after adjusting the pH to 8 by adding sodium hydrogen carbonate, it was left to stand for 2 hours. Next, add IN hydrochloric acid to lower the pH to around 3, then return to pH 5 with IN sodium hydroxide aqueous solution, and then use the diaflow membrane (YM-5).
The mixture was ultrafiltered to remove unreacted substances, organic solvents, and salts, and freeze-dried to obtain 930 mf of the desired product as a white powder.

このもののN V吸収量からめた1−β−D−アラビノ
フラノシル/トンン含有量は38.3重量%であった。
The 1-β-D-arabinofuranosyl/ton content of this product was 38.3% by weight based on the NV absorption amount.

IJIVKMA (分子量7000 ) 5oo mg
、N−メチルピロリドン40me、■−β−D−アラビ
ノフラノンシン)・シン1507ng、トリエチルアミ
70.25m1+を用い、実施例3と同様の方法で反応
及び後処理を行って、653mgの目的物を得た。
IJIVKMA (molecular weight 7000) 5oo mg
, N-methylpyrrolidone 40me, ■-β-D-arabinofuranonsyn) 1507 ng, and triethylamine 70.25 ml+ were reacted and post-treated in the same manner as in Example 3 to yield 653 mg of the target product. I got it.

このもののUV吸収量からめた1−β−D−アラビノフ
ラノシルシトノン含有計il″l:]、5.2重喰係で
6った。
The total content of 1-β-D-arabinofuranosylcytonone, calculated from the UV absorption amount, was 5.2 with a double weight ratio of 6.

実施例5 アドリアマインンーDIVF2MA結合物D
IVFMA (分子量7000 ) 100 m’iを
l meの無水N−メチルピロリドンに溶解し、かきま
ぜながら8 mlのN−メチルピロリドンに溶解させた
アドリアマイシン塩酸塩1100Tnを滴下した。次い
で触媒として50μtの無水トリエチルアミンを5ml
のN−メチルピロリドンに溶解したものを10分間で滴
下した。反応は室温で12時間、光を遮断した状態で行
った。反応後、無水のn−ヘキサンIt中に激しくかき
1ぜながら反応液を滴下し、沈殿した赤い固体物を新し
い1tのn−ヘキサンで洗浄した。沈殿物を集めて再蒸
留水50meに浮遊させ、かき捷ぜながら1重i%炭酸
水素ナトリウム水溶液でpH7,0に調整した。1時間
後に固形物はすべて溶解し、赤い溶液となった。次いで
未反応のアドリアマイシン及び触媒のトリエチルアミン
を除去するため、2回強陽イオン交換樹脂(ダウエック
ス)200■を加えて10分間かき筐せたのちろ過し、
10meの水で洗浄した。ろ液を分子量1万の分別に相
当する限外ろ過膜(アミコン社製、PMIO)を用いて
再蒸留水によりろ過、洗浄した。ろ液の色が完全になく
なった時点でろ過をiLめ、0.22μ孔径のミリポア
フィルタ−に通しだのち、凍結乾燥した。アトリアマイ
ノンの分解によって生じる水に不溶性のアドリアマイシ
ンは存在しなかった。凍結乾燥によって204mfの赤
橙色の綿状固体物が得られた。
Example 5 Adriamine-DIVF2MA conjugate D
100 m'i of IVFMA (molecular weight 7000) was dissolved in 1 me of anhydrous N-methylpyrrolidone, and while stirring, 1100Tn of adriamycin hydrochloride dissolved in 8 ml of N-methylpyrrolidone was added dropwise. Then, 5 ml of 50 μt of anhydrous triethylamine was added as a catalyst.
was dissolved in N-methylpyrrolidone and added dropwise over 10 minutes. The reaction was carried out at room temperature for 12 hours in the absence of light. After the reaction, the reaction solution was dropped into anhydrous n-hexane It while stirring vigorously, and the precipitated red solid was washed with fresh It of n-hexane. The precipitate was collected and suspended in 50 ml of redistilled water, and the pH was adjusted to 7.0 with a 1% aqueous sodium bicarbonate solution while stirring. After 1 hour all the solids were dissolved and a red solution was formed. Next, in order to remove unreacted adriamycin and the catalyst triethylamine, 200 μm of strong cation exchange resin (Dowex) was added twice, stirred for 10 minutes, and then filtered.
Washed with 10me water. The filtrate was filtered and washed with double-distilled water using an ultrafiltration membrane (manufactured by Amicon, PMIO) corresponding to fractionation with a molecular weight of 10,000. When the color of the filtrate completely disappeared, the filtrate was filtered for 1 liter, passed through a Millipore filter with a pore size of 0.22 μm, and then freeze-dried. There was no water-insoluble adriamycin produced by the decomposition of atriamynon. Freeze-drying yielded 204 mf of a red-orange flocculent solid.

このものは490nmの可視部の吸収からめたLころ%
 29.4重t%のアドリアマイシンを含んでいた。ま
た、このアドリ゛アマインンーDIVKMA結合物は水
には易溶(50011Ig/me)であるが、生理食塩
水には難溶であった。しかし、水に溶解させたのちでは
、生理食塩水に均一に混合することができた。また、こ
のものはDMSO,DMF’、 N −メチルピロリド
ンのような極性溶媒に可溶であっfc/r:、ジエチル
エーテル、n−ヘギサン、ベンゼンなどには不溶でセ〕
つだ。、さらに赤外吸収スペクトルは3350.294
0 、 1720 、 1660 、 1605.15
80.1520、】4o5.1390 、 1290 
、 1240 。
This is L roller% based on absorption in the visible region of 490 nm.
It contained 29.4 wt% adriamycin. Further, this adriamain-DIVKMA conjugate was easily soluble in water (50011 Ig/me), but poorly soluble in physiological saline. However, after dissolving in water, it could be mixed uniformly into physiological saline. In addition, this substance is soluble in polar solvents such as DMSO, DMF', and N-methylpyrrolidone, and is insoluble in fc/r:, diethyl ether, n-hegisane, benzene, etc.
One. , and the infrared absorption spectrum is 3350.294
0, 1720, 1660, 1605.15
80.1520, ]4o5.1390, 1290
, 1240.

1210.1120.1090.1070. 1,02
0. 950゜800、 770z−’に吸収をもち、
アドリアマイシン塩酸塩に相当する吸収の他にアミド結
合(1660t)n−’)の存在が示された。またoT
視 紫外部の吸収スペクトルには485.291.25
3.233 nmに吸収があった。
1210.1120.1090.1070. 1,02
0. It has absorption at 950°800 and 770z-',
In addition to the absorption corresponding to adriamycin hydrochloride, the presence of an amide bond (1660t)n-') was demonstrated. Also oT
485.291.25 for the absorption spectrum in the visible ultraviolet region
There was absorption at 3.233 nm.

得られたアトリアマイ7ンーDIVEMA結合物の赤外
吸収スペクトルを第1図Aに、可視・紫外吸収スペクト
ルを第1図Bに示す。
The infrared absorption spectrum and the visible and ultraviolet absorption spectra of the resulting atriamyne-DIVEMA conjugate are shown in FIG. 1A and FIG. 1B, respectively.

実施例6 アドリアマイシン−Dl:VEMA結合物結
合型) 実施例5 VCよって得られたアドリアマインンーDI
VEMA結合物の水溶液を凍結乾燥直前に、1重@係炭
酸水素ナトリウム水溶液でpH7,0に調整したのち、
ミリポアフィルタ−を通して凍結乾燥した。その結果、
暗赤色の綿状固体物が実施例5に対して定量的に得ら九
、そのものは実施例5の生成物より容易に水に溶けるこ
とを示した。その赤外吸収スペクトルでは1580cr
n’ K大きな吸収が現われ、1720on−’におけ
る吸収が減少した。
Example 6 Adriamycin-DI: VEMA conjugate-bound type) Example 5 Adriamycin-DI obtained by VC
Immediately before freeze-drying the aqueous solution of the VEMA conjugate, the pH was adjusted to 7.0 with a monovalent aqueous sodium bicarbonate solution, and then
It was lyophilized through a Millipore filter. the result,
A dark red flocculent solid was obtained quantitatively for Example 5, indicating that it was more easily soluble in water than the Example 5 product. Its infrared absorption spectrum is 1580cr
A large n'K absorption appeared and the absorption at 1720 on-' decreased.

また、可視・紫外吸収スペクトルは変化しなかった。Furthermore, the visible and ultraviolet absorption spectra did not change.

得られた生成物の赤外吸収スペクトルを第2図に示す。The infrared absorption spectrum of the obtained product is shown in FIG.

実施例7 ア1゛リアマインンーDIIMA結合物実施
例5と同様にして、40m9のDIVEMA (分子M
7000)と20 mgのアドリアマイシン塩酸塩とを
、トリエチルアミン10μtを触媒トシてN −メチル
ピロリトノ10n:e中で反応させたのち、実施例5と
全く同じ処理方法により 58 mfの赤橙色の凍結乾
燥綿状固体物を得だ。このものは、可視吸収スペクトル
により22.4重敗%のアトリアマイノンを含むことが
分った。その赤外吸収スペクトル及び可視・紫外吸収ス
ペクトルの吸収位置は実施例5の生成物と同様であった
Example 7 Aliamine-DIIMA conjugate In the same manner as in Example 5, 40 m9 of DIVEMA (molecule M
7000) and 20 mg of Adriamycin hydrochloride were reacted in 10n:e of N-methylpyrroliton with 10 μt of triethylamine as a catalyst, and then freeze-dried into a red-orange color of 58 mf using exactly the same treatment method as in Example 5. A flocculent solid was obtained. This material was found to contain 22.4% atriamynon by a visible absorption spectrum. The absorption positions of its infrared absorption spectrum and visible/ultraviolet absorption spectrum were similar to those of the product of Example 5.

実施例8 ダウノマイシン−DIVKMA 結合物フを
施例5と同様にして、40■のDIVEMA (分−r
−ifi700 ’0 )と40mgのダウノマイシン
塩酸塩をト!J ニーf−ルl ミン2oμtを触媒と
してN−メチルビ01.’ と712m1中で反応させ
たのち、実施例5と全く同じ処理方法r(よ587 m
gの赤橙色の綿状トす1体物を得た。このものは、可視
吸収スペクトルにより、32.8型損傷のダウノマイシ
ンを含むことが分った。捷/こ、赤外吸収スペクトルは
345o、2930.1705.1660.1605.
1570.1405.1350.1290.4230.
1210.1120.1090゜107 (1,104
fl、1020.990i−’ に吸収をもち、可視 
紫外吸収スペクトルは488.288.251゜233
 nmに吸収をもっていた。
Example 8 Daunomycin-DIVKMA conjugate was prepared in the same manner as in Example 5, and 40 μm of DIVEMA (min-r
-ifi700'0) and 40mg of daunomycin hydrochloride! J N-Methyl BiOl. ' was reacted in 712 m1, followed by the same treatment method as in Example 5 (587 m1).
A reddish-orange cotton-like solid substance of g was obtained. This material was found to contain daunomycin with type 32.8 damage based on the visible absorption spectrum. The infrared absorption spectrum is 345o, 2930.1705.1660.1605.
1570.1405.1350.1290.4230.
1210.1120.1090°107 (1,104
fl, has an absorption at 1020.990i-' and is visible
The ultraviolet absorption spectrum is 488.288.251°233
It had an absorption at nm.

得られた生成物の赤外吸収スペクトルを第3図、/4 
K、可視・紫外吸収スペクトルを第3図Bに示す0 実施例9 ダウノマイシン−D工VEMA結合物(塩型
) 実施例8で得られたダウノマイシン−D工IMA結合物
の水溶液を1重量係炭酸水素ナトリウム水溶液でpH7
,0に調整し凍結乾燥したところ、暗赤色の綿状固体物
が実施例8に対して定量的に得られ、そのものは実施例
8の生成物より水に対する溶解性が高贋ことを示した。
The infrared absorption spectrum of the obtained product is shown in Figure 3, /4
K, visible and ultraviolet absorption spectra are shown in FIG. pH7 with sodium hydrogen aqueous solution
When the product was adjusted to 0 and freeze-dried, a dark red flocculent solid was quantitatively obtained for Example 8, indicating that it had higher solubility in water than the product of Example 8. .

その赤外吸収スペクトルでは1580t1n−’に大き
な吸収が現われ、1720t*’における吸収は減少し
た。またOT視・紫外吸収スペクトルは変化しなかった
In the infrared absorption spectrum, a large absorption appeared at 1580t1n-', and the absorption at 1720t*' decreased. Further, the OT visual and ultraviolet absorption spectra did not change.

得られだ生成物の赤外吸収スペクトルを第4図に示す。The infrared absorption spectrum of the obtained product is shown in FIG.

実施例1Oダウノマイシン−DIVEMA M合物実施
例5と同様にして、40mf/のDIIMA (分子z
7ooo)と20mgのダウノマイシン塩酸塩とヲ(・
’)エチルアミン10μtを触媒としてN−メチルピロ
’J )ンl Ome中で反応させたのち、実施し11
15と′?〒ぐ同1〕処理方法によυ、5:3;7yの
赤澄色の株結乾燥綿状固体物を得た。このものは、可視
吸収スペクトルからめたところ、23.5重t%のグウ
ノマ・rシンを含んでいた。壕だ、可視・紫外吸収スペ
クトルの吸収位置は実り例8の生成物と全く同してあっ
た。
Example 1 O Daunomycin-DIVEMA M Compound Similarly to Example 5, 40 mf/DIIMA (molecular z
7ooo) and 20 mg daunomycin hydrochloride and wo(・
') Using 10 μt of ethylamine as a catalyst, the reaction was carried out in N-methylpyrone (11).
15 and'? According to the treatment method (same as 1), a dry flocculent solid with a bright red color and a ratio of υ of 5:3;7y was obtained. This material contained 23.5% by weight of gynoma r-sine as determined from the visible absorption spectrum. As a matter of fact, the absorption positions in the visible and ultraviolet absorption spectra were exactly the same as those of the product of Example 8.

参考例I D工VEMAの酸無水物構造を加水分解したポリマーを
生理食塩水に溶解し、8〜10週令の雄のCDF1マウ
スの腹腔内に1回投与して、30日間マウスの生死を観
察した。その結果を第1表に示す。
Reference Example I A polymer obtained by hydrolyzing the acid anhydride structure of D-engineered VEMA was dissolved in physiological saline and administered once intraperitoneally to male CDF1 mice aged 8 to 10 weeks to determine whether the mice were alive or dead for 30 days. Observed. The results are shown in Table 1.

なお、マウスは1群5〜6匹で繰り返し実験を行い、L
Dloを算出した。
The experiment was repeated with 5 to 6 mice per group, and L
Dlo was calculated.

第 1 表 この表から明らかなように、分子量1,2万のD工IM
Aでは著しく毒性が下ること、及び牌臓肥犬の影響が少
ないことが分った。
Table 1 As is clear from this table, D-engineered IM with a molecular weight of 10,000 to 20,000
It was found that A was significantly less toxic and had less effect on splenic dogs.

参考例2 0.1規定、pH7,2のリン酸緩衝生理食塩水(1)
BS)中におけるアトリアマイ7ン(Ad) −DIV
EMA結合物から嵌合物放出を検討した。
Reference example 2 0.1 normal, pH 7.2 phosphate buffered saline (1)
Atriamine 7 (Ad)-DIV in BS)
The conjugate release from the EMA conjugates was investigated.

実施例5で得られたA d、 −DI VEMA結合物
3 、2 mfjを含む])BS ’I Omeを37
℃に保ち、一定時間後11 、1 lneをサンプリン
グし、0.1N塩酸0.4−を加えて該結合物を沈殿さ
せ、遠心分離した上澄液のrJJ視部(490nm)の
吸光度を測定し、Ad放出量をめた。その結果を第5図
に示す。々お放出量は;3つのサンプルの平均値である
Ad, -DI VEMA conjugate 3,2 mfj obtained in Example 5]) BS'I Ome 37
℃, sample 11,1 lne after a certain period of time, add 0.4-0.1N hydrochloric acid to precipitate the bound substance, and measure the absorbance of the rJJ visual field (490 nm) of the centrifuged supernatant. The amount of Ad released was determined. The results are shown in FIG. Each release amount is the average value of three samples.

この図から、2週間経過後、約20%のアトリアマイ7
ンが放出されたことが分る。
From this figure, after two weeks, about 20% of Atria Mai7
It can be seen that the ion was released.

参考例3 1−β−D−アラビノフラノ/ル7トシン(AraC)
 −DIIMA結合物からのAraC放出速度。
Reference example 3 1-β-D-arabinofurano/ru7tocin (AraC)
- AraC release rate from DIIMA conjugate.

を調べるために、実施例3で得たAraC−DIVEM
A結合物1 結合物音生理食塩水1 mlに溶解させて
37℃に保った。一定時間毎にサンプリングし、高速液
体クロマトグラフィーで遊離のAraC量を測定した。
In order to investigate the AraC-DIVEM obtained in Example 3,
A conjugate 1 The conjugate was dissolved in 1 ml of physiological saline and kept at 37°C. Samples were taken at regular intervals and the amount of free AraC was measured by high performance liquid chromatography.

その結果を第6図に示す。The results are shown in FIG.

この図から明らかなように、該結合物からのAraC放
出は極めてゆっくりであり、1週間で約50%のAra
Cが放出されていることが分る。
As is clear from this figure, AraC release from the conjugate is extremely slow, with about 50% of AraC released in one week.
It can be seen that C is released.

参考例4 制ガン活性物質−D工IMA結合物の制ガン活性評価を
P388白血病マウスを用いて行った。
Reference Example 4 The anticancer activity of the anticancer active substance-D-IMA conjugate was evaluated using P388 leukemia mice.

8〜10週令の雄のCD F、マウスの腹腔内に1×1
06個のP388白血病細胞を移植し、24時間後に制
ガン活性物質−DIVEMA結合物の溶嵌合物腹腔内に
投与した。1群6匹のマウスを実験群として用い、生存
日数の中央値を対照群と比較し、次の式によシ延命率を
めた。
8-10 week old male CDF, 1 x 1 intraperitoneally into mice
06 P388 leukemia cells were transplanted, and 24 hours later, a conjugate of anticancer active substance-DIVEMA conjugate was intraperitoneally administered. Six mice per group were used as the experimental group, and the median survival days were compared with the control group, and the survival rate was calculated according to the following formula.

ただし、T:治療群生存日数中央値 C;対照群治療日数中央値 また、60日の長期生存マウスが生存する場合、その数
をめた。
However, T: Median number of survival days in the treatment group C: Median number of treatment days in the control group In addition, if long-term survival mice of 60 days survived, the number was calculated.

第2表にAraC−DIVEMA結合物の制嵌合物性を
、第3表にAd−DIVEMA結合物(塩嵌合物制ガン
活性を示す。
Table 2 shows the anti-mating physical properties of the AraC-DIVEMA conjugate, and Table 3 shows the anti-cancer activity of the Ad-DIVEMA conjugate (salt conjugate).

2I′42表 g) DIvgmAo分子t: 70002I'42 table g) DIvgmAo molecule t: 7000

【図面の簡単な説明】[Brief explanation of drawings]

第1図Δ及びBはそれぞれ実施例5におけるアドリアマ
イシン−D T VEMA結合物結合性吸収スペクトル
及び可視・紫外吸収スペクトル、第2図は実施例(jに
おけるアドリアマイシン−DIVEMA結合物(塩型)
の赤外吸収スペクトル、第3図A及びBはそれぞれ実施
例8におけるダウノマイシン−1)IVEMA結合物の
赤外吸収スペクトル及び可視・紫外吸収スペクトル、第
4図は実施例9にお、けるダウノマイシン−DIVEM
A結合物(塩型)の赤外吸収スペクトルである。 また、第5図は0.1規定、pH7,2のリン酸緩衝生
理食塩水中におけるアトリアマイノン−DTvEMΔ結
合物からのアトリアマイノンの放出量と経過日数との関
係を示すグラフ、第6図は生理食塩水中ニおけるl−β
−1)−アラビノフラノシルントンン−1)IVEMA
結合物からの1−β−D−アラビノフシノフルシトンン
の放出量と経過日数との関係を示すグラフである。 <X>りぬVll−1
Figure 1 Δ and B are the adriamycin-D T VEMA conjugate binding absorption spectrum and visible/ultraviolet absorption spectra in Example 5, respectively, and Figure 2 is the adriamycin-DIVEMA conjugate (salt form) in Example (j).
3A and B are the infrared absorption spectrum and visible/ultraviolet absorption spectrum of the daunomycin-1) IVEMA conjugate in Example 8, respectively, and FIG. 4 is the daunomycin-1) IVEMA conjugate in Example 9. DIVEM
This is an infrared absorption spectrum of A-conjugate (salt type). Furthermore, FIG. 5 is a graph showing the relationship between the amount of atriamynon released from the atriamynon-DTvEMΔ conjugate and the number of days elapsed in 0.1 normal, pH 7.2 phosphate buffered saline, and FIG. is l-β in physiological saline
-1)-Arabinofuranosilton-1)IVEMA
It is a graph showing the relationship between the amount of 1-β-D-arabinofucinoflusiton released from the conjugate and the number of days elapsed. <X> Rinu Vll-1

Claims (1)

【特許請求の範囲】 1一般式 (式中のRは制ガン活性を力える残基、nはRと結合す
るジビニルエーテル−無水マレイン酸共重合体の分子i
2.ooo〜15.0(10に相当する整数である) で示される高分子化合物及びぞの薬理的に許容しうる塩
類を活性成分として成る低m性制ガン剤。 2 有機溶媒の存在下、分子量2,000〜15,00
06゛有するジビニルエーテル−無水マレイン酸共重合
体に、活性水素を有する制ガン活性物質を反応させたの
ち加水分解し、次いで所望に応じ塩に変えることを特徴
とする、一般式 (式中のRは制ガン活性を与える残基、nはRと結合す
るジビニル−エーテル−無水マレイン酸共重合体の分子
J12,000〜15 、000に相当する整数である
) で示される低毒性制ガン剤及びその塩類の製造方法。
[Claims] 1 General formula (in the formula, R is a residue that enhances anticancer activity, n is a molecule i of a divinyl ether-maleic anhydride copolymer bonded to R)
2. 1. A low-molecular-weight anticancer agent comprising a polymeric compound represented by ooo to 15.0 (an integer corresponding to 10) and its pharmacologically acceptable salts as active ingredients. 2 Molecular weight 2,000 to 15,00 in the presence of an organic solvent
A divinyl ether-maleic anhydride copolymer having the general formula (in the formula R is a residue that imparts anticancer activity, and n is an integer corresponding to J12,000 to J15,000 of the molecule of the divinyl-ether-maleic anhydride copolymer bonded to R. Method of manufacturing salts.
JP58176832A 1983-09-24 1983-09-24 Low-toxic carcinostatic agent and its preparation Granted JPS6067426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58176832A JPS6067426A (en) 1983-09-24 1983-09-24 Low-toxic carcinostatic agent and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58176832A JPS6067426A (en) 1983-09-24 1983-09-24 Low-toxic carcinostatic agent and its preparation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61312835A Division JPS6322803A (en) 1986-12-26 1986-12-26 Production of divinyl ether-maleic anhydride copolymer having pharmacological activity

Publications (2)

Publication Number Publication Date
JPS6067426A true JPS6067426A (en) 1985-04-17
JPS6232172B2 JPS6232172B2 (en) 1987-07-13

Family

ID=16020613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58176832A Granted JPS6067426A (en) 1983-09-24 1983-09-24 Low-toxic carcinostatic agent and its preparation

Country Status (1)

Country Link
JP (1) JPS6067426A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113319A (en) * 1987-10-27 1989-05-02 Nippon Oil & Fats Co Ltd Liposome-encapsulated polymeric drug
JPH03101616A (en) * 1989-07-12 1991-04-26 Union Carbide Chem & Plast Co Inc Emission system of pharmaceutically active derivative
US5378456A (en) * 1993-03-25 1995-01-03 American Cyanamid Company Antitumor mitoxantrone polymeric compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113319A (en) * 1987-10-27 1989-05-02 Nippon Oil & Fats Co Ltd Liposome-encapsulated polymeric drug
JPH03101616A (en) * 1989-07-12 1991-04-26 Union Carbide Chem & Plast Co Inc Emission system of pharmaceutically active derivative
US5378456A (en) * 1993-03-25 1995-01-03 American Cyanamid Company Antitumor mitoxantrone polymeric compositions

Also Published As

Publication number Publication date
JPS6232172B2 (en) 1987-07-13

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