JP5460874B2 - 7,2″−脱水プエラリンおよびその塩類誘導物およびその調製方法と応用 - Google Patents
7,2″−脱水プエラリンおよびその塩類誘導物およびその調製方法と応用 Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims description 14
- 150000003839 salts Chemical class 0.000 title claims description 14
- HKEAFJYKMMKDOR-VPRICQMDSA-N puerarin Chemical class O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1C1=C(O)C=CC(C2=O)=C1OC=C2C1=CC=C(O)C=C1 HKEAFJYKMMKDOR-VPRICQMDSA-N 0.000 title description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 38
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
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- FAMRKDQNMBBFBR-UHFFFAOYSA-N ethyl n-ethoxycarbonyliminocarbamate Chemical compound CCOC(=O)N=NC(=O)OCC FAMRKDQNMBBFBR-UHFFFAOYSA-N 0.000 claims description 4
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- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical compound CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 claims description 4
- VLSDXINSOMDCBK-BQYQJAHWSA-N (E)-1,1'-azobis(N,N-dimethylformamide) Chemical compound CN(C)C(=O)\N=N\C(=O)N(C)C VLSDXINSOMDCBK-BQYQJAHWSA-N 0.000 claims description 3
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- ZWSNUPOSLDAWJS-QNDFHXLGSA-N 6,7-dihydroxy-3-[4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]chromen-4-one Chemical compound OC[C@H]1O[C@@H](Oc2ccc(cc2)-c2coc3cc(O)c(O)cc3c2=O)[C@H](O)[C@@H](O)[C@@H]1O ZWSNUPOSLDAWJS-QNDFHXLGSA-N 0.000 description 1
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- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
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- 230000000747 cardiac effect Effects 0.000 description 1
- 210000001715 carotid artery Anatomy 0.000 description 1
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- RNFNDJAIBTYOQL-UHFFFAOYSA-N chloral hydrate Chemical compound OC(O)C(Cl)(Cl)Cl RNFNDJAIBTYOQL-UHFFFAOYSA-N 0.000 description 1
- 229960002327 chloral hydrate Drugs 0.000 description 1
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
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- 238000001212 derivatisation Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 description 1
- 230000000345 effect on arrhythmia Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 125000002496 methyl group Chemical class [H]C([H])([H])* 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229940105631 nembutal Drugs 0.000 description 1
- WEXRUCMBJFQVBZ-UHFFFAOYSA-N pentobarbital Chemical compound CCCC(C)C1(CC)C(=O)NC(=O)NC1=O WEXRUCMBJFQVBZ-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 description 1
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/12—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains three hetero rings
- C07D493/14—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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Description
2.9g(約7mmol)のプエラリンをN2の保護の下で200mlの無水テトラヒドロフランの中に溶かして、アイスバスの条件の下で、3.5ml(約17.5mmol)のアゾジカルボン酸ジイソプロピルと4.6g(約17.5mmol)トリフェニルホスフィンを入れて、ゆっくりと室温まで温度を上げて、マグネチックミキサーで16h攪拌してから、濃縮、通常シリカゲルカラムクロマトグラフィ(CH2Cl2: CH3OH = 13:1, 8:1)によって、2.4gの7,2″-脱水プエラリンが得られるが、その収率は87.1%である。
2.9g(約7mmol)のプエラリンをN2の保護の下で200mlの無水テトラヒドロフランの中に溶かして、アイスバスの条件の下で、2.4ml(約14.0mmol)のN,N,N‘,N’-テトラメチルアゾジカルボキシアミドと3.4g(約14.0mmol)トリブチルホスフィンを入れて、ゆっくりと室温まで温度を上げて、マグネチックミキサーで16h攪拌してから、濃縮、通常シリカゲルカラムクロマトグラフィ(CH2Cl2: CH3OH = 13:1, 8:1)によって、2.2gの7,2″-脱水プエラリンが得られるが、その収率は81.4%である。
2.9g(約7mmol)のプエラリンをN2の保護の下で200mlの無水テトラヒドロフランの中に溶かして、アイスバスの条件の下で、1.6ml(約10.5mmol)のアゾジカルボン酸ジエチルエステルと2.8g(約10.5mmol)トリフェニルホスフィンを入れて、ゆっくりと室温まで温度を上げて、マグネチックミキサーで16h攪拌してから、濃縮、通常シリカゲルカラムクロマトグラフィ(CH2Cl2: CH3OH = 13:1, 8:1)によって、2.1gの7,2″-脱水プエラリンが得られるが、その収率は77.5%である。
7,2″-脱水プエラリンの抗不整脈試験
(1)方法:健康な成年のWistarラット60匹、オス、180〜220gを取って、体重別にランダムに生理食塩水組や、プロパンジオール溶媒胃内投与組、プロパンジオール溶媒iv組、プエラリン注射液組、7,2″-脱水プエラリン胃内投与組、7,2″-脱水プエラリンiv組などに分けて、10匹/組とする。静脈注射組は毎日1回、連続三日間投与し、胃内投与組は毎日2回、三日間投与する。生理食塩水組は対応する体積の0.9%塩化ナトリウム注射液を投与し、プロパンジオール溶媒胃内投与組の投与量は14.3%のプロパンジオール1ml/100g、プロパンジオール溶媒静脈注射投与組の投与量は40%のプロパンジオール0.5ml/100g、プエラリン注射液組の投与量は50mg/kg、7,2″-脱水プエラリン胃内投与組の投与量は60mg/kg、7,2″-脱水プエラリン静脈注射液組の投与量は30mg/kgとする。ラットの腹腔に10%の抱水クロラール麻酔剤(0.35ml/100g)を注射し、背中固定を取り、BL-410生物機能試験システムを接続し、心電の変化をモニタリングする。露出の大腿静脈に頭針を埋めて、連続で定速の注射ポンンプで、定速に0.1%のBaCl2を注入する。分量は0.1ml/100g、スピードは0.6ml/min。注射の際、時間を計算し始め、30min以内の心電図(ECG)をモニタリング・記録し、不整脈の潜伏時間を記録し、不整脈の持続時間(30min以内に回復できない場合は30minと記録)を記録する。各組ラットの間の差を比較し、SPSSソフトで統計学分析を行い、P<0.05であれば統計学的差があると認める。
7,2″-脱水プエラリン誘導物の抗凝血試験
(1)方法:イエウサギ1匹を取って、重量を量り、耳静脈注射の方式で3%のネムブタール1ml/kgを投与し、麻酔の後、頸動脈を分離して、遠心端を縛り、近心端にチューブを挿し込んで、25mlの血を取り、それぞれ、予め50mg/mlの蓚酸カリウムを入れた0.5mlの試験管の中に入れて、均一に混ぜる。また、予め対応する薬物を入れた0.25mlの試験管24本を取り、個々の試験管に上記ウサギ血0.9mlを入れてから、それぞれ2mg/mlのCaCl20.1mlを入れて、均一に混ぜてから、直ちに37±0.5℃の定温水バスに入れて、30sごとに1回試験管を斜めに傾けて、凝血の終点時間(試験管をゆっくりと傾けて、血液が流出されない時点を終点とする)を観察・記録し、各組の間の凝血時間を比較し、SPSSソフトで統計学的分析を行い、P<0.05であれば統計学的差があると認める。
Claims (6)
- 請求項1において、前記7,2″-脱水プエラリンの調製方法:プエラリンとPY3およびアゾ類化合物を1:(1〜4):(1〜4)のモル比で混合し、有機溶剤の中で、分子内Mitsunobu反応を発生させることによって、7,2″-脱水プエラリン化合物が得られるが、通常のろ過、濃縮、シリカゲルカラムクロマトグラフィで、得られた7,2″-脱水プエラリンを分離純化するが、その中、PY3中のYグループは、アリル、アルキル、ヘテロアリール、アルコキシル中のいずれかであることを特徴とする7,2″-脱水プエラリンおよびその誘導物の調製方法。
- 請求項2において、前記アゾ類化合物はアゾジカルボン酸ジイソプロピル、アゾジカルボン酸ジエチルエステル、N,N,N‘,N’-テトラメチルアゾジカルボキシアミド又はアゾジホルムジピペリジン中のいずれかであることを特徴とする調製方法。
- 請求項2において、前記有機溶剤はテトラヒドロフラン、ジオキサン、ジクロロメタン、クロロフォルム、ジメチルホルムアミド、トルエン、ベンゼン又はヘキサメチルリン酸トリアミド中のいずれかであることを特徴とする調製方法。
- 請求項1に記載の7,2″-脱水プエラリンおよびその塩類誘導物を含む、心臓・脳血管疾病の治療又は予防用薬物。
- 請求項5において、経口投与剤又は注射剤であることを特徴とする薬物。
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