JP5548364B2 - レゾルシノール誘導体の高分子結合体 - Google Patents
レゾルシノール誘導体の高分子結合体 Download PDFInfo
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- JP5548364B2 JP5548364B2 JP2008537500A JP2008537500A JP5548364B2 JP 5548364 B2 JP5548364 B2 JP 5548364B2 JP 2008537500 A JP2008537500 A JP 2008537500A JP 2008537500 A JP2008537500 A JP 2008537500A JP 5548364 B2 JP5548364 B2 JP 5548364B2
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- carbon atoms
- resorcinol derivative
- resorcinol
- polymer conjugate
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- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 title claims description 94
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 26
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 6
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- 238000006116 polymerization reaction Methods 0.000 description 6
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
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- QXQARJUOSUZHQD-UHFFFAOYSA-N 3-(2,4-dihydroxy-5-propan-2-ylphenyl)-4-(4-methoxyphenyl)-1H-1,2,4-triazol-5-one Chemical compound C1=CC(OC)=CC=C1N1C(=O)NN=C1C1=CC(C(C)C)=C(O)C=C1O QXQARJUOSUZHQD-UHFFFAOYSA-N 0.000 description 3
- KXYDSLFGHNITKO-UHFFFAOYSA-N 4-but-2-ynyl-6-[4-(4-methoxyphenyl)-5-methyl-1,2-oxazol-3-yl]benzene-1,3-diol Chemical compound C1=CC(OC)=CC=C1C1=C(C)ON=C1C1=CC(CC#CC)=C(O)C=C1O KXYDSLFGHNITKO-UHFFFAOYSA-N 0.000 description 3
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- UMQQKMDGUDUKAS-UHFFFAOYSA-N COc(cc1)ccc1NC(c(cc(c(O)c1)Cl)c1O)=N Chemical compound COc(cc1)ccc1NC(c(cc(c(O)c1)Cl)c1O)=N UMQQKMDGUDUKAS-UHFFFAOYSA-N 0.000 description 1
- JBGLNZUZSASUHD-UHFFFAOYSA-N Cc([o]nc1-c(cc(c(O)c2)Br)c2O)c1-c(cc1)ccc1OC Chemical compound Cc([o]nc1-c(cc(c(O)c2)Br)c2O)c1-c(cc1)ccc1OC JBGLNZUZSASUHD-UHFFFAOYSA-N 0.000 description 1
- VTJQNLIBNUDCBU-JHNBCWRTSA-N Cc(c(O)c1)cc(/C(/Nc2ccccc2Cl)=C/C=N)c1O Chemical compound Cc(c(O)c1)cc(/C(/Nc2ccccc2Cl)=C/C=N)c1O VTJQNLIBNUDCBU-JHNBCWRTSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- 102100034051 Heat shock protein HSP 90-alpha Human genes 0.000 description 1
- 108010004889 Heat-Shock Proteins Proteins 0.000 description 1
- 102000002812 Heat-Shock Proteins Human genes 0.000 description 1
- 101001016865 Homo sapiens Heat shock protein HSP 90-alpha Proteins 0.000 description 1
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- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 1
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- 125000005137 alkenylsulfonyl group Chemical group 0.000 description 1
- 125000005139 alkynylsulfonyl group Chemical group 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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- FPRSPUHXEPWUBZ-HNNXBMFYSA-N benzyl (2s)-2-amino-3-phenylpropanoate Chemical compound C([C@H](N)C(=O)OCC=1C=CC=CC=1)C1=CC=CC=C1 FPRSPUHXEPWUBZ-HNNXBMFYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
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- 238000010511 deprotection reaction Methods 0.000 description 1
- 125000004915 dibutylamino group Chemical group C(CCC)N(CCCC)* 0.000 description 1
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- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 1
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- 230000000177 oncogenetic effect Effects 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 150000003839 salts Chemical class 0.000 description 1
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- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
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- 150000003852 triazoles Chemical group 0.000 description 1
- 125000000025 triisopropylsilyl group Chemical group C(C)(C)[Si](C(C)C)(C(C)C)* 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/74—Synthetic polymeric materials
- A61K31/785—Polymers containing nitrogen
- A61K31/787—Polymers containing nitrogen containing heterocyclic rings having nitrogen as a ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/10—Alpha-amino-carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1092—Polysuccinimides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing oxygen in addition to the ether group
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Polyethers (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Description
(1)ポリエチレングリコール構造部分と側鎖にカルボキシル基を有するポリマー部分のカルボキシル基と、レゾルシノール誘導体の水酸基がエステル結合しているレゾルシノール誘導体の高分子結合体。
(2)ポリエチレングリコール構造部分と側鎖にカルボキシル基を有するポリマー部分がブロック型ポリマーである上記(1)に記載のレゾルシノール誘導体の高分子結合体。
(3)側鎖にカルボキシル基を有するポリマー部分が、ポリ酸性アミノ酸である上記(1)又は上記(2)に記載のレゾルシノール誘導体の高分子結合体。
(4)側鎖にカルボキシル基を有するポリマー部分が、ポリグルタミン酸又はポリアスパラギン酸である上記(3)に記載のレゾルシノール誘導体の高分子結合体。
(5)一般式(1)
(6)R1が置換基を有していてもよい炭素数1〜6のアルキル基であり、R2が炭素数2〜6のアルキレン基であり、R3が炭素数1〜6のアシル基または炭素数1〜6のアルコキシカルボニルであり、tが100〜300の整数であり、dが1〜100の整数であり、e、fが各々0〜100の整数であり、且つd+e+fが6〜100の整数であり、R5はカルボキシル基が保護されたアミノ酸及び−N(R6)CONH(R7)からなる群から選ばれる基である上記(5)記載のレゾルシノール誘導体の高分子結合体。
(7)R1がメチル基であり、R2がトリメチレン基であり、R3がアセチル基であり、R5がイソプロピルアミノカルボニルイソプロピルアミノ基である上記(6)に記載の
レゾルシノール誘導体の高分子結合体。
(8)レゾルシノール誘導体が一般式(2)
(9)上記(8)に記載の環Aが下記の一般式(3−1)から(3−7)
(10)レゾルシノール誘導体が式(5−1)ないし(5−21)
(11)ポリエチレングリコール構造部分と側鎖にカルボキシル基を有するポリマー部分との共重合体と、レゾルシノール誘導体の水酸基とを有機溶媒中、脱水縮合剤を用いてエステル結合させることで得られる、レゾルシノール誘導体の高分子結合体。
(12)ポリエチレングリコール構造部分と側鎖にカルボキシル基を有するポリマー部分のカルボキシル基と、レゾルシノール誘導体の水酸基とを有機溶媒中、脱水縮合剤を用いてエステル結合させることを特徴とする上記(1)ないし(10)のいずれか一項に記載のレゾルシノール誘導体の高分子結合体の製造方法。
(13)上記(1)ないし(11)のいずれか一項に記載のレゾルシノール誘導体の高分子結合体を有効成分とする抗癌剤。
芳香環上の置換位置は、オルト位でも、メタ位でも、パラ位でも良い。
特許文献12に記載された方法(参考例1)によって調製したメトキシポリエチレングリコール−ポリグルタミン酸ブロック共重合体(グルタミン酸の重合数約23;1.10g)をジメチルホルムアミド(47ml)に溶解した。室温でしばらく撹拌した後、特許文献8に記載された方法により合成した5−(2,4−ジヒドロキシ−5−イソプロピル−フェニル)−4−(4−メトキシ−フェニル)−2,4−ジヒドロ−[1,2,4]トリアゾ−ル−3−オン(260mg)、ジメチルアミノピリジン(28mg)、ジイソプロピルカルボジイミド(0.47ml)を加え、更に26℃で20時間撹拌した。反応終了後、反応液に酢酸エチル(70ml)、エタノール(70ml)、ジイソプロピルエーテル(564ml)を加えた。室温で撹拌後、目的物が沈析するまで静置し、上清を除去した。得られた沈析物を、更にエタノール/ジイソプロピルエーテル(1/4(v/v);500ml)で2回洗浄し、濾取した。得られた固体をアセトニトリル/水(9/1(v/v);100ml)に溶解後、イオン交換樹脂(ダウケミカル社製ダウエックス50(H+);10ml)に通塔し、アセトニトリル/水(9/1(v/v);30ml)にて溶出した。得られた溶出画分に水(50ml)を加えた後アセトニトリルを減圧下留去し、その後凍結乾燥することによって化合物1(1.04g)を得た。化合物1のHPLC(高速液体クロマトグラフィー)測定の結果より、化合物1中には遊離のレゾルシノール誘導体は検出されなかった。化合物1中のレゾルシノール誘導体の含量は、化合物1の一部を量り取り、アルカリ条件下で加水分解し、メトキシポリエチレングリコール−ポリグルタミン酸ブロック共重合体から切断されたレゾルシノール誘導体をHPLCにて定量することにより知ることができる。本化合物1中の含量を前記方法により測定したところ、15.1%(w/w)であった。
実施例1の5−(2,4−ジヒドロキシ−5−イソプロピル−フェニル)−4−(4−メトキシ−フェニル)−2,4−ジヒドロ−[1,2,4]トリアゾ−ル−3−オンの代わりに、4−{5−ヒドロキシ−4−[4−(モルフォリン−4−イル)−フェニル]−4H−[1,2,4]トリアゾール−3−イル}−6−イソプロピル−ベンゼン−1,3−ジオール(80mg)を用い、実施例1と同様の操作により、化合物2(524mg)を合成した。なお、化合物2中の含有率は14.57%(w/w)であった。
実施例1の5−(2,4−ジヒドロキシ−5−イソプロピル−フェニル)−4−(4−メトキシ−フェニル)−2,4−ジヒドロ−[1,2,4]トリアゾ−ル−3−オンの代わりに、4−(ブタ−2−イニル)−6−[4−(4−メトキシ−フェニル)−5−メチル−イソキサゾール−3−イル]−ベンゼン−1,3−ジオール(3.4mg)を用い、実施例1と同様の操作により、化合物3(21.6mg)を合成した。なお、化合物3中の含有率は10.4%(w/w)であった。
実施例1の5−(2,4−ジヒドロキシ−5−イソプロピル−フェニル)−4−(4−メトキシ−フェニル)−2,4−ジヒドロ−[1,2,4]トリアゾ−ル−3−オンの代わりに、5−(2,4−ジヒドロキシ−5−イソプロピル−フェニル)−4−イソプロピル−2,4−ジヒドロ−[1,2,4]トリアゾール−3−オン(277.3mg)を用い、実施例1と同様の操作により、化合物4(1.36g)を合成した。なお、化合物4中の含有率は11.3%(w/w)であった。
化合物1、化合物2、化合物3、化合物4を、それぞれPBS(リン酸緩衝生理食塩水:pH7.1)にポリマー濃度で1mg/mlで溶解し、37℃にてインキュベートした。該高分子結合体より放出されたレゾルシノール誘導体を、HPLCにて分離し標準曲線を用いて定量した。定量値と高分子結合体の薬剤含有量から求めた全薬剤量との比を図1に示した。
BALB/cAマウスの皮下で継代したマウス結腸癌Colon26腫瘍を約2mm角のブロックにし、套管針を用いてCDF1マウスの背側部皮下に移植した。腫瘍移植後7日目に本発明のレゾルシノール誘導体の高分子結合体(化合物1)及び対照として内包したレゾルシノール誘導体(5−(2,4−ジヒドロキシ−5−イソプロピル−フェニル)−4−(4−メトキシ−フェニル)−2,4−ジヒドロ−[1,2,4]トリアゾ−ル−3−オン)を尾静脈に投与した。本発明化合物1は5%ブドウ糖注射液に溶解し、単回投与した。対照としたレゾルシノール誘導体(内包化合物)はDMSOで溶解し、TWEEN80を加えたのち5%ブドウ糖注射液にて稀釈し、1日1回、5日間連日投与した。投与後,腫瘍の長径(Lmm)及び短経(Wmm)を定期的に測定し、腫瘍体積を(L×W2)/2により算出し、投与開始日の腫瘍体積から各測定日の平均相対腫瘍体積を求めた(表1)。
片末端メトキシ基、片末端3−アミノプロピル基のポリエチレングリコール(SUNBRIGHT MEPA−12T、日本油脂社製、平均分子量12000,1.0g)をDMSO(20ml)に溶解後、γ−ベンジル L−グルタメート N−カルボン酸無水物(0.77g)を加えて35℃にて20時間撹拌した。反応液にエタノール(80ml)及びジイソプロピルエーテル(320ml)を加え、室温にて90分撹拌した後、沈析物を濾取し、エタノール/ジイソプロピルエーテル(1/4(v/v)、100ml)で洗浄した。得られた沈析物をDMF(20ml)に溶解し、無水酢酸(0.4ml)を加えて室温にて15時間撹拌した。反応液にエタノール(80ml)及びジイソプロピルエーテル(320ml)を加え、室温にて90分撹拌した後、沈析物を濾取し、エタノール/ジイソプロピルエーテル(1/4(v/v)、100ml)で洗浄することによって、1.56gのポリマーを得た。得られたポリマーをDMF(47ml)に溶解後、5%パラジウム−炭素(780mg)を加えて、35℃にて3時間加水素分解を行った。反応液にメタノール(90ml)及びセライト(8g)を加え2時間撹拌した後、5%パラジウム−炭素を濾別した。減圧下にてメタノールを留去した後、エタノール(90ml)及びジイソプロピルエーテル(360ml)を加え、室温にて90分撹拌した。沈析物を濾取し、エタノール/ジイソプロピルエーテル(1/4(v/v)、100ml)で洗浄した後、10%食塩水(100ml)に溶解した。1N水酸化ナトリウム水溶液にて溶解液のpHを10.0に調整後、分配吸着樹脂カラムクロマトグラフィーを用いて精製し、溶出した溶液を減圧濃縮した後、凍結乾燥することによって、目的化合物(1.18g)を得た。0.02N水酸化ナトリウム水溶液を用いた滴定に基づく本化合物1分子中のグルタミン酸の重合数は約28であった。なお、本化合物1分子中のグルタミン酸の重合数は、γ−ベンジル L−グルタメート N−カルボン酸無水物の等量を調整することにより、制御可能である。
Claims (7)
- 一般式(1)
レゾルシノール誘導体が一般式(2)
- R1が置換基を有していてもよい炭素数1〜6のアルキル基であり、R2が炭素数2〜6のアルキレン基であり、R3が炭素数1〜6のアシル基または炭素数1〜6のアルコキシカルボニル基であり、tが100〜300の整数であり、dが1〜100の整数であり、e、fが各々0〜100の整数であり、且つd+e+fが6〜100の整数であり、R5はカルボキシル基が保護されたアミノ酸及び−N(R6)CONH(R7)からなる群から選ばれる基である請求項1に記載のレゾルシノール誘導体の高分子結合体。
- R1がメチル基であり、R2がトリメチレン基であり、R3がアセチル基であり、R5がイソプロピルアミノカルボニルイソプロピルアミノ基である請求項2に記載のレゾルシノール誘導体の高分子結合体。
- ポリエチレングリコール構造部分とポリグルタミン酸又はポリアスパラギン酸である側鎖にカルボキシル基を有するポリマー部分との共重合体と、レゾルシノール誘導体の水酸基とを有機溶媒中、ジシクロヘキシルカルボジイミド(DCC)、ジイソプロピルカルボジイミド(DIPC)、1−エチル−3−(3−ジメチルアミノプロピル)カルボジイミド塩酸塩(WSC)、及び1−エトキシカルボニル−2−エトキシ−1,2−ジヒドロキシキノリノン(EEDQ)から選択されるいずれか1以上の脱水縮合剤を用いてエステル結合させることで得られる、請求項1ないし4のいずれか一項に記載のレゾルシノール誘導体の高分子結合体。
- ポリエチレングリコール構造部分とポリグルタミン酸又はポリアスパラギン酸である側鎖にカルボキシル基を有するポリマー部分との共重合体と、レゾルシノール誘導体とを有機溶媒中、ジシクロヘキシルカルボジイミド(DCC)、ジイソプロピルカルボジイミド(DIPC)、1−エチル−3−(3−ジメチルアミノプロピル)カルボジイミド塩酸塩(WSC)、及び1−エトキシカルボニル−2−エトキシ−1,2−ジヒドロキシキノリノン(EEDQ)から選択されるいずれか1以上の脱水縮合剤を用いてエステル結合させることを特徴とする請求項1ないし4のいずれか一項に記載のレゾルシノール誘導体の高分子結合体の製造方法。
- 請求項1〜5のいずれか一項に記載のレゾルシノール誘導体の高分子結合体を有効成分とする抗癌剤。
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Also Published As
Publication number | Publication date |
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EP2070971B1 (en) | 2016-06-22 |
US20090239782A1 (en) | 2009-09-24 |
JPWO2008041610A1 (ja) | 2010-02-04 |
US20160279164A1 (en) | 2016-09-29 |
EP2070971A1 (en) | 2009-06-17 |
EP2070971A4 (en) | 2013-06-05 |
US20150011715A1 (en) | 2015-01-08 |
ES2584840T3 (es) | 2016-09-29 |
CA2664852A1 (en) | 2008-04-10 |
TW200835510A (en) | 2008-09-01 |
WO2008041610A1 (fr) | 2008-04-10 |
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