JP5595374B2 - フォストリシン誘導体及びその医薬用途 - Google Patents
フォストリシン誘導体及びその医薬用途 Download PDFInfo
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- JP5595374B2 JP5595374B2 JP2011502214A JP2011502214A JP5595374B2 JP 5595374 B2 JP5595374 B2 JP 5595374B2 JP 2011502214 A JP2011502214 A JP 2011502214A JP 2011502214 A JP2011502214 A JP 2011502214A JP 5595374 B2 JP5595374 B2 JP 5595374B2
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- 230000035945 sensitivity Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003797 solvolysis reaction Methods 0.000 description 1
- 239000012192 staining solution Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012089 stop solution Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- MHYGQXWCZAYSLJ-UHFFFAOYSA-N tert-butyl-chloro-diphenylsilane Chemical compound C=1C=CC=CC=1[Si](Cl)(C(C)(C)C)C1=CC=CC=C1 MHYGQXWCZAYSLJ-UHFFFAOYSA-N 0.000 description 1
- 238000006257 total synthesis reaction Methods 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 238000010396 two-hybrid screening Methods 0.000 description 1
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/655—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
- C07F9/6552—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a six-membered ring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P35/00—Antineoplastic agents
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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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
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Description
本発明の目的は、新規で安定性が更に高いFST化合物を提供し、且つ化学的修飾及び/又は遺伝子操作を採用する方法のような、該化合物の製造方法を提供することにある。更に、本発明は、前記化合物を含む医薬組成物及び前記FST化合物の抗腫瘍、細胞の過増殖抑制と細胞の増殖阻害のために用いられる医薬組成物の調製における使用を提供する。
[式中、
R1は、
であって、R1は、リン酸基ではない;
R2、R3、R4は、それぞれ独立して、H、OH、OR5、NHR6及び低級アルキル基から選ばれる;
WはO、O-CRjRj又はNRjである;
GはP、S又はCである;
Xは、SR6、OR5又はNHRjであり、Gが硫黄(S)である場合、X=NRj又はX=Oである;
Yは、OR5、NHRj、非置換の低級アルキル基若しくはヒドロキシ基、低級アシルオキシ基、低級アルキルアシル基、低級アルコキシ基、アミノ基、ハロゲン、低級アルキルアシルアミノ基又は低級アシルアミノ基により置換された低級アルキル基、又はCF3である;
R5とR6は、それぞれH、Na、K、又は非置換の低級アルキル基若しくはヒドロキシ基、低級アシルオキシ基、低級アルキルアシル基、低級アルコキシ基、アミノ基、ハロゲン、低級アルキルアシルアミノ基、低級アシルアミノ基により置換された低級アルキル基である;
GがCである場合、Xは存在しない;
Rjは、H、OH、アルキル基又はハロゲンであり、その中、前記ハロゲンは、好ましくはフッ素(F)である;
Rnは、O、NRj又はSである。]
前記「低級」とは、炭素数が1-4であることを指す。
化学反応経路1:
Alkaline phosphatase:アルカリホスファターゼ;
2, 6-lutidine:2, 6-ジメチルピリジン;
imidazole:イミダゾール。
化学反応経路2:
化学反応経路3:
化学反応経路5:
P-S3と硫酸クロロメチル(又はクロロリン酸)誘導体を、Et3N(トリエチルアミン)、塩化メチレンの下で反応させ、保護された硫酸メチルアミノFST誘導体H (その中、R7は好ましくはメチル基である)又はリン酸クロロアミノFST誘導体を得、更にアセトニトリル中のHF-ピリジンで処理して脱保護を行なうことにより化合物を得る。
反応条件:FSTを、pH 8.3、濃度が75 mMであるトリスバッファー(Tris Buffer)と5 mMのMgCl2溶液に溶解させ(FSTの濃度は20 mMである)、フォストリシン1mgあたり1〜1.5単位のアルカリホスファターゼを添加し、37℃で2-5時間の酵素分解を行なった。
図1は、FSTがアルカリホスファターゼの酵素分解の下で、次第に脱リン酸FST(dephosphofostriecin)を生成することを示している。
本実施例の方法では、FST産生可能な宿主菌を用いて遺伝子操作を行った。本発明のFST生物合成に用いられる遺伝子とDNA配列は、天然の資源、例えばFSTの天然産生菌株から調製することができる。
チオリン酸FST(C19H27O8PS)のMS(ESI+):447 [M+H]+
メチルリン酸FST(C20H29O9P)のMS(ESI+):445[M+H]+。
実施例1に記載の反応条件に従い、チオリン酸FST(A)及びメチルリン酸FST(B)に対しアルカリホスファターゼの加水分解を行った。図2に示す通り、チオリン酸FST及びメチルリン酸FSTは、アルカリホスファターゼの作用下で、比較的に安定しており、脱リン酸FSTは生成していなかった。
化学反応経路2に記載の通用方法により、脱リン酸FST誘導体P-Sから化合物Dを調製することができる。分子式はC20H27O9PF2であり、MS(ESI+):481[M+H]+;化学反応経路3に記載の通用方法により、脱リン酸FST誘導体P-Sから化合物F(即ち、一般式Eにおいて、Rmがアリルアミンである化合物、又は一般式Fにおいて、Rjがプロペニルである化合物)を調製することができる。化合物Fの分子式はC23H31O7Nであり、MS(ESI+):434[M+H]+;化学反応経路4又は6に記載の方法により、脱リン酸FST誘導体P-Sから化合物G(即ち、一般式GにおいてRjがNH2である化合物)を調製することができる。化合物Gの分子式は C20H28O6N2であり、MS(ESI+):393[M+H]+;化学反応経路5又は6に記載の方法により、脱リン酸FST誘導体P-Sから化合物H(即ち、一般式H2においてRnがO(酸素)、R7がCH3である化合物)を調製することができる。化合物Hの分子式はC20H29O7SNであり、MS(ESI+):4428[M+H]+。
Promega社のCelltiter 96細胞繁殖定量キット(改良されたMTT法)を採用して、本発明の選択性化合物であるチオリン酸FST(A)及びメチルリン酸FST(B)の異なる腫瘍細胞系HL-60、CCRD-CEM及びNCI-H460に対する抗腫瘍活性を測定した。約5〜7.5×103細胞/ウェルで96ウェルプレートに添加した。体積としては、50μl/ウェルになる。24時間の培養を行い、更に濃度が0.001nM 〜1000nMの薬物50μlを各ウェルに添加して、72時間の培養を行なった。その後、15μlのMTT染色液を各ウェルに添加して、温度を引き続き4時間維持した後、この間に形成された沈殿物を100μlの溶解液/停止液で溶解させた。1時間後、ウェル内の物質をオシレータにて均一に混合し、その後、マイクロプレートリーダー(Molecular Devices社)で各ウェルのOD570nmの吸収値を測定した。得られたデータをKaleidaGraphプログラムで解析し且つIC50値(50%の細胞成長を抑制した化合物の濃度)を算出した。表1は、化合物AとB及びFSTのこれら腫瘍細胞に対する成長抑制IC50である。その中で、IC50値の単位はMである。
Claims (7)
- 下記の一般式(I)を含む化合物。
[式中、
R1が、
から選ばれる;
R2,R3及びR4は、それぞれ独立して、H,OH,OR5,NHR6及び炭素数が1−4のアルキル基から選ばれる;
R5とR6は、それぞれH、Na、K、又は未置換の炭素数が1−4のアルキル基、又はヒドロキシ基、炭素数が1−4のアシルオキシ基、炭素数が1−4のアルキルアシル基、炭素数が1−4のアルコキシ基、アミノ基、ハロゲン、炭素数が1−4のアルキルアシルアミノ基、炭素数が1−4のアシルアミノ基により置換された炭素数が1−4のアルキル基である;
Rnは、O、NRj又はSである;
Rjは、H、OH、アルキル基又はハロゲン;
R7はメチル基又はCF3である。]
- 下記の一般式(III):
[式中、
R 2 ,R 3 及びR 4 は、それぞれ独立して、H,OH,OR 5 ,NHR 6 及び炭素数が1−4のアルキル基から選ばれる;
R 5 とR 6 は、それぞれH、Na、K、又は未置換の炭素数が1−4のアルキル基、又はヒドロキシ基、炭素数が1−4のアシルオキシ基、炭素数が1−4のアルキルアシル基、炭素数が1−4のアルコキシ基、アミノ基、ハロゲン、炭素数が1−4のアルキルアシルアミノ基、炭素数が1−4のアシルアミノ基により置換された炭素数が1−4のアルキル基である;
Rjは、H、OH、アルキル基又はハロゲンであり;
Rj’に対する定義はRjと同一である。]で示される化合物。
- 請求項1〜5のいずれか1項に記載の化合物の、抗腫瘍、細胞の過成長抑制、細胞の成長中止、又は心筋梗塞の予防及び細胞損傷の予防のために用いられる医薬組成物の調製における使用。
- 請求項1〜5のいずれかに記載の化合物の1種又は複数と、薬学的に許容される担体及び/又は希釈剤を含む、医薬組成物。
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