JP4855924B2 - 生物活性ベクターの放射性フッ素化法 - Google Patents
生物活性ベクターの放射性フッ素化法 Download PDFInfo
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- JP4855924B2 JP4855924B2 JP2006505951A JP2006505951A JP4855924B2 JP 4855924 B2 JP4855924 B2 JP 4855924B2 JP 2006505951 A JP2006505951 A JP 2006505951A JP 2006505951 A JP2006505951 A JP 2006505951A JP 4855924 B2 JP4855924 B2 JP 4855924B2
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- ZUBDGKVDJUIMQQ-UBFCDGJISA-N endothelin-1 Chemical compound C([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(O)=O)NC(=O)[C@H]1NC(=O)[C@H](CC=2C=CC=CC=2)NC(=O)[C@@H](CC=2C=CC(O)=CC=2)NC(=O)[C@H](C(C)C)NC(=O)[C@H]2CSSC[C@@H](C(N[C@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N2)=O)NC(=O)[C@@H](CO)NC(=O)[C@H](N)CSSC1)C1=CNC=N1 ZUBDGKVDJUIMQQ-UBFCDGJISA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-BJUDXGSMSA-N fluorine-18 atom Chemical compound [18F] YCKRFDGAMUMZLT-BJUDXGSMSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- NPZTUJOABDZTLV-UHFFFAOYSA-N hydroxybenzotriazole Substances O=C1C=CC=C2NNN=C12 NPZTUJOABDZTLV-UHFFFAOYSA-N 0.000 description 1
- 230000007574 infarction Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 125000003588 lysine group Chemical group [H]N([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(N([H])[H])C(*)=O 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- QCAWEPFNJXQPAN-UHFFFAOYSA-N methoxyfenozide Chemical compound COC1=CC=CC(C(=O)NN(C(=O)C=2C=C(C)C=C(C)C=2)C(C)(C)C)=C1C QCAWEPFNJXQPAN-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 108091005601 modified peptides Proteins 0.000 description 1
- PCJGZPGTCUMMOT-ISULXFBGSA-N neurotensin Chemical compound C([C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC(C)C)C(O)=O)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CCCCN)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@H](CC(C)C)NC(=O)[C@H]1NC(=O)CC1)C1=CC=C(O)C=C1 PCJGZPGTCUMMOT-ISULXFBGSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 229960002700 octreotide Drugs 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 238000002953 preparative HPLC Methods 0.000 description 1
- 125000002112 pyrrolidino group Chemical group [*]N1C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 238000000163 radioactive labelling Methods 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003354 serine derivatives Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- NHXLMOGPVYXJNR-ATOGVRKGSA-N somatostatin Chemical class C([C@H]1C(=O)N[C@H](C(N[C@@H](CO)C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC=2C=CC=CC=2)C(=O)N[C@@H](CC=2C=CC=CC=2)C(=O)N[C@@H](CC=2C3=CC=CC=C3NC=2)C(=O)N[C@@H](CCCCN)C(=O)N[C@H](C(=O)N1)[C@@H](C)O)NC(=O)CNC(=O)[C@H](C)N)C(O)=O)=O)[C@H](O)C)C1=CC=CC=C1 NHXLMOGPVYXJNR-ATOGVRKGSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- DYHSDKLCOJIUFX-UHFFFAOYSA-N tert-butoxycarbonyl anhydride Chemical compound CC(C)(C)OC(=O)OC(=O)OC(C)(C)C DYHSDKLCOJIUFX-UHFFFAOYSA-N 0.000 description 1
- DKACXUFSLUYRFU-UHFFFAOYSA-N tert-butyl n-aminocarbamate Chemical compound CC(C)(C)OC(=O)NN DKACXUFSLUYRFU-UHFFFAOYSA-N 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
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran thf Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- ZGYICYBLPGRURT-UHFFFAOYSA-N tri(propan-2-yl)silicon Chemical compound CC(C)[Si](C(C)C)C(C)C ZGYICYBLPGRURT-UHFFFAOYSA-N 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- WHNFPRLDDSXQCL-UAZQEYIDSA-N α-msh Chemical compound C([C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](C(C)C)C(N)=O)NC(=O)[C@H](CO)NC(C)=O)C1=CC=C(O)C=C1 WHNFPRLDDSXQCL-UAZQEYIDSA-N 0.000 description 1
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Description
mは1〜10の整数であり、
pは0又は1の整数であり、
ZはO又はSである。
式(IIa)及び(IVa)の化合物におけるリンカー基は各々C1〜60ヒドロカルビル基、好適にはC1〜30ヒドロカルビル基であって、適宜酸素又は窒素のような1〜30個のヘテロ原子、好適には1〜10個のヘテロ原子を含むものである。好適なリンカー基としては、アルキル、アルケニル、アルキニル鎖、芳香族、ポリ芳香族及びヘテロ芳香族環、さらにエチレングリコール、アミノ酸又は炭水化物サブユニットを含むポリマーが挙げられる。
mは1〜10の整数であり、
Xは−CO−NH−、−NH−又は−O−、好ましくは−O−であり、
YはH、アルキル又はアリール置換基である。
m、nは、式(XIII〜XI)の化合物に関して定義した通りであり、YはH、アルキル又はアリール部分である。
mは1〜10の整数であり、
pは0又は1の整数であり、ZはO又はSである。
(i)式(II)の化合物においてリンカーがフェニルであるときは、R2はアミノキシ(好適には−ONH2)である。
(ii)式(IV)の化合物ではリンカーはフェニルではない。
(iii)式(IVa)の化合物では、リンカーはフェニルでも、ハロ、ヒドロキシ又はベンジルオキシで置換されたフェニルでもない。
(iv)式(X)の化合物では、nは0ではない。
NMR:核磁気共鳴
TFA:トリフルオロ酢酸
hr(s):時間
min(s):分
DMAP:4−(ジメチルアミノ)ピリジン
THF:テトラヒドロフラン
DCM:ジクロロメタン
DMF:N,N−ジメチルホルムアミド
TBAF:フッ化テトラブチルアンモニウム
MeOH:メタノール
TLC:薄層クロマトグラフィー
TIS:トリイソプロピルシラン
DMSO:ジメチルスルホキシド
PyAOP:[7−アザベンゾトリアゾール−1−イルオキシトリス(ピロリジノ)ホスホニウム−ヘキサフルオロホスフェート]
Boc:t−ブトキシカルボニル。
THF(5ml)中に懸濁した水素化ナトリウム(248mg、鉱油中5.15mmol)の撹拌懸濁液に、2−{2−[2−(2−ヒドロキシ−エトキシ)−エトキシ]−エトキシ}−エタノール(化合物2)(1.0g、5.15mmol)のTHF(5ml)溶液をシリンジを介して室温で添加した。気体発生が止まった後、混合物を室温で45分間撹拌したところ、その時点までに若干黄色がかった透明溶液が得られた。ブロモアセトアルデヒド(8.71g、51.5mmol)をシリンジで添加し、混合物を24時間撹拌した。次いで酢酸エチル(3ml)を添加し、混合物を室温でさらに2時間撹拌した。この混合物をエーテル(100ml)に注入し、10%K2CO3水溶液(30ml)及び塩水(30ml)で1回ずつ抽出した。有機相を乾燥し(Na2SO4)、濾過し、蒸発させた。残留油を蒸留して、過剰ブロモアセトアルデヒドを除去し、残留粗生成物を、100%酢酸エチルを用いたフラッシュクロマトグラフィーで精製して、生成物(355mg、21%)を無色オイルとして得た。
メタノール(3ml)中の酢酸2−(2−{2−[2−(2,2−ジメトキシ−エトキシ)−エトキシ]−エトキシ}−エトキシ)−エチルエステル(化合物4)(110mg、0.34mmol)の撹拌溶液に1N NaOH/メタノール(1ml)を室温で添加した。反応をTLC(CHCl3/MeOH、9:1)でモニターし、30分以内で完了した。溶媒を蒸発させ、残留物をフラッシュカラムクロマトグラフィー(CHCl3/MeOH、9:1)で精製して、生成物(73mg、76%)を無色オイルとして得た。
THF(1ml)中のアルコール(化合物5)(60mg、0.21mmol)とトリエチルアミン(59μl、0.42mmol)の撹拌溶液に、塩化メタンスルホニル(24:1、0.30mmol)を添加した。反応をTLC(CHCl3/MeOH、9:1)でモニターした。2時間後、沈殿したトリエチルアミン塩酸塩を濾別した。溶媒を蒸発させ、クロロホルム/メタノール(9:1)を用いたフラッシュクロマトグラフィーの後に、生成物(75mg、99%)をオイルとして得た。
アセトニトリル(8ml)中のスルホネート(化合物6)(75mg、0.21mmol)とTBAF(THF中1.1M、573μl、0.63mmol)の混合物を90℃で30分間加熱した。TLC(酢酸エチル)でモニターして反応が完了したことを確認した。室温に冷却し、溶媒を蒸発させた後、残留物をフラッシュ乾燥(酢酸エチル)して、生成物(56mg、93%)を無色オイルとして得た。
DMF(30ml)中の4−ヒドロキシベンズアルデヒド(Fluka、4.9g、0.040mol)と炭酸ナトリウム(4.7g、0.044mol)と3−ブロモ−1−プロパノール(6.1g、0.044mol)の溶液を140℃で8時間加熱した。反応混合物を冷却し、濃縮し、残留物をエーテルに取り、水洗し、乾燥させた(Na2SO4)。濾過及び濃縮で黄色シロップ4.6g(64%)が得られたが、これはそれ以上精製せずに次の段階で使用した。構造はNMR分析で確認した。
ジクロロメタン(10ml)中のアルコール12(1.4g、8.0mmol)の溶液に、トリエチルアミン(1.2ml、8.5mmol)及び塩化メシル(0.62ml、8.0mmol)を添加した。室温で1.5時間撹拌した後、反応混合物を水洗し、乾燥(Na2SO4)して、粗製物(黄色オイル)1.8gを得た。290mgのアリコートを逆相クロマトグラフィー(カラム:Phenomenex Luna C18(2)5μm 21.2×250mm、溶媒A=水/0.1%TFA、溶媒B=アセトニトリル/0.1%TFA、勾配:60分間で20〜40%、流量10.0ml/分、UV検出波長254nm)で精製し、凍結乾燥後244mgの白色固形物を得た。構造はNMR分析で確認した。
フッ化カリウム(Fluka、7.2mg、0.124mmol)及びKryptofix 222(Fluka、46.7mg、0.124mmol)を乾燥アセトニトリル(2.5ml)に溶解した。10分後、混合物を、メタンスルホン酸3−(4−ホルミルフェノキシ)プロピルエステル13(16.0mg、0.062mmol)の乾燥アセトニトリル(1.5ml)撹拌溶液に添加した。反応混合物を60℃で30分間加熱した。生成物を、分析用HPLC(カラム:Phenomenex Luna C18(2)3μm 4.6×50mm、溶媒A=水/0.1%TFA、溶媒B=アセトニトリル/0.1%TFA、勾配:10分間で10〜80%B、流量2.0ml/分、UV検出波長214及び254nm)で、市販標準物質(Fluorochem)と同時に5.0分で溶出したことから確認した。
本化合物はBorden他(J.Org.Chem., 1985, 50, 531−534)に記載の方法で合成した。生成物は1H及び13C NMRで特性決定した。
乾燥メタノール(30ml)中のケトン11(2.54g、19.8mmol)、オルトギ酸トリメチル(9.75ml、89.1mmol)とp−トルエンスルホン酸(150mg、0.79mmol)の溶液を窒素中室温で24時間撹拌した。反応混合物を、固形炭酸カリウム(4g)で中和し、濾過し、溶媒を蒸発させた。粗製物をDCM(30ml)に溶解し、水(40ml)で洗浄した。有機相を乾燥し(Na2SO4)、濾過し、蒸発させた。黄色の粗製オイル(3.0g)を85Cで蒸留(0.2mmHg)して、生成物(1.69g、49%)を無色オイルとして得た。生成物は1H及び13C NMRで特性決定した。
乾燥DCM(5ml)中のアルコール12(275mg、1.58mmol)とトリエチルアミン(3.3ml、23.7mmol)の冷却(0C)溶液に、窒素中で、塩化メタンスルホニル(246ul、3.16mmol)を滴下した。反応混合物を室温で2時間撹拌した。沈殿したトリエチルアミン塩酸塩を濾別し、溶媒を蒸発させた。粗製物をDCM(30ml)に溶解し、水洗し(2×20ml)、乾燥し(Na2SO4)、濾過し、蒸発させた。残留物をフラッシュカラムクロマトグラフィー(EtOAc:ミネラルスピリット:NH3(50:50:4))で精製して、生成物(214mg、54%)を薄黄色オイルとして得た。生成物は1H及び13C NMRで特性決定した。
ペプチド化合物14を標準的ペプチド合成法を用いて合成した。化合物14(150mg、0.12mmol)のDMF溶液を、Boc−アミノキシ酢酸(34.4mg、0.18mmol)、PyAOP(93.9mg、0.18mmol)及びNMM(40μl、0.36mmol)のDMF溶液に添加した。DMFを、12時間後に真空蒸発させ、粗生成物を調製用逆相クロマトグラフィー(Phenomenex Luna C18カラム,00G−4253−V0、溶媒A=水/0.1%TFA、溶媒B=CH3CN/0.1%TFA、勾配:60分間で10〜50%B、流量50ml/分、検出波長254nm)で精製して純粋な化合物97.1mg(57%)を得た(分析用HPLC:Phenomenex Luna C18カラム,00G−4252−E0、溶媒A=水+0.1%TFA、溶媒B=CH3CN+0.1%TFA、勾配:20分間で10〜50%B、流量1.0ml/分、保持時間19.4分、検出波長214及び254nm)。質量分析法でさらに特性決定したところ、m/z値1431.2[M−H+]であった。
a) 18 F−化合物1の放射標識合成
18F−フッ化物(最大370MBq)をKryptofix 222(0.5mlのMeCN中12〜14mg)及び炭酸カリウム(0.1M水溶液100μl)の存在下、N2中で125℃に15分間加熱して共沸乾燥した。この間、2×1mlのMeCNを添加し、蒸発させた。<40℃に冷却した後、トリメチルアンモニウムベンズアルデヒドトリフレート溶液(0.7mlのDMSO中3〜7mg)を添加した。反応容器を密閉し、120℃で15分間加熱して標識させた。粗製反応混合物を室温に冷却し、10mlの水に添加して希釈した。混合物を、Sep−pak CM−plusカートリッジ(10mlの水でコンディショニング)及びSepPak C18−plusカートリッジ(20mlのEtOH及び20mlのH2Oでコンディショニング)に連続して流した。これらのカートリッジに水(10ml)をフラッシュし、生成物の18F−フルオロベンズアルデヒドを、SepPak C18−plusカートリッジからMeOH(1ml)で溶出した。
化合物15(4〜5mg)を水分量5%のTFAで室温で5分間処理した。次いで溶媒を真空蒸発によって除去した。ペプチドを、0.5M NH4OAc緩衝液、pH4(0.5ml)に再び溶解し、反応容器内で4−18F−フルオロベンズアルデヒドと一緒にした。反応容器を密閉し、70℃に15分間加熱して結合させた。室温に冷却した後、調製用放射標識HPLC(カラムPhenomenex Prodigy ODS−Prep、250×10mm、10μ、4ml/分、溶媒A:H2O(0.5%TFA)、溶媒B:CH3CN(0.5%TFA)、勾配:5分間で10%B、15分間で10〜40%B)で生成物を得た。
a) 18 F化合物7の放射標識合成
Kryptofix 222(10mg)、炭酸カリウム(50μl水中1mg)及びアセトニトリル(0.8ml)を仕込んだWheatonバイアル(2ml)に、フッ素−18を含有する水(10mCi、1ml)を添加した。窒素気流下110℃で30分間加熱して溶媒を除去した。無水アセトニトリル(0.5ml)を添加し、同様に蒸発させた。この段階を2回繰り返した。無水DMSO(0.2ml)中の化合物6(1ml)の溶液を添加した。マイクロ波(5分、160℃、150→50W)で加熱した後、反応混合物を室温に冷却し、MeCN(5ml)及びH2O(20ml)でコンディショニングしたSepPak tC18−plusカートリッジに流した。カートリッジに水(10ml)をフラッシュし、生成物をMeCN(0.5ml)で溶出した。80℃の窒素気流を用いて溶媒を蒸発させた。HCl(34μl、12M)とMeCN(34μl)の混合物を添加し、バイアルを室温で5分間放置した。
化合物15(3mg)をTFA/5%H2O(0.2ml)と反応させた。室温で1分間静置した後、窒素気流で溶媒を除去した。脱保護した18F−化合物7の入ったバイアルに水酸化アンモニウム(38μl、28%)を添加した。中和混合物を、酢酸アンモニウム緩衝液(50μl、pH4.0、0.5M)中の脱保護化合物15の入ったバイアルに移した。バイアルを70℃で7分間インキュベートした。室温に冷却し、HPLC移動相(100μl、20%MeCN、80%H2O、0.5%TFA)を添加した後、調製用放射標識HPLC[カラム:Luna C18(2)、Phenomenex、100×10mm、5μ、4ml/分、溶媒A:H2O(0.5%TFA)、溶媒B:CH3CN(0.5%TFA)、勾配:20分間で10〜50%B]で生成物を得た。
a)t−ブチル2−[4−(ヒドロキシメチル)ベンゾイル]−ヒドラジノ−1−カルボキシレートの合成−化合物18
Claims (28)
- 式(I)の化合物と式(II)の化合物との反応又は式(III)の化合物と式(IV)化合物との反応によってそれぞれ式(V)又は(VI)のコンジュゲートを得ることを含んでなる放射性フッ素化方法。
R2は、第1級アミン、第2級アミン、ヒドロキシルアミン、ヒドラジン、ヒドラジド、アミノキシ、フェニルヒドラジン、セミカルバジド及びチオセミカルバジドから選択される基であり、
R3は、第1級アミン、第2級アミン、ヒドロキシルアミン、ヒドラジン、ヒドラジド、アミノキシ、フェニルヒドラジン、セミカルバジド又はチオセミカルバジドから選択される基であり、
R4は、アルデヒド基、ケトン基、保護アルデヒド、保護ケトン又は官能基であって、酸化剤を用いてアルデヒド又はケトンに迅速かつ効率的に酸化することができるものである。
式(II)、(IV)、(V)及び(VI)の化合物におけるリンカー基は以下の群から選択される。
mは1〜10の整数であり、
pは0又は1の整数であり、
ZはO又はSである。 - R2がヒドラジン、ヒドラジド又はアミノキシ基であり、R3がヒドラジン、ヒドラジド又はアミノキシ基であり、Xが−CO−NH−、−NH−又は−O−である、請求項1記載の方法。
- 式(Ia)の化合物と式(IIa)の化合物との反応又は式(IIIa)の化合物と式(IVa)化合物との反応によってそれぞれ式(Va)又は(VIa)のコンジュゲートを得ることを含んでなる放射性フッ素化方法。
式(IIa)及び(IVa)の化合物におけるリンカー基は各々C1〜60ヒドロカルビル基又は1〜30個のヘテロ原子含むC 1 〜 60 ヒドロカルビル基である。
- 式(VII)の化合物と式(VIII)、(IX)、(X)又は(XI)の化合物との反応によってそれぞれ式(XII)〜(XV)の化合物を得ることを含んでなる放射性フッ素化方法。
mは1〜10の整数であり、
Xは−CO−NH−、−NH−又は−O−であり、
YはH、アルキル又はアリール置換基である。
- 式(XVI)の化合物と式(XVII)、(XVIII)、(XIX)又は(XX)の化合物との反応によってそれぞれ式(XXI)、(XXII)、(XXIII)又は(XXIV)の化合物を得ることを含んでなる放射性フッ素化方法。
m、nは、式(XIII)〜(XI)の化合物に関して定義した通りであり、YはH、アルキル又はアリール部分である。 - 前記ベクターがArg−Gly−Aspペプチド又はそのアナログである、請求項1乃至請求項5のいずれか1項記載の方法。
- 前記ベクターが以下のフラグメントを含む、請求項6記載の方法。
- 前記ベクターが式(A)のものである、請求項6又は請求項7記載の方法。
- 請求項1で定義した式(II)の化合物、又は請求項3で定義した式(IIa)の化合物であって、式(II)の化合物においてリンカーがフェニルであるときはR2がアミノキシであることを条件とする化合物。
- 式(XVII)、(XVIII)、(XIX)又は(XX)の化合物。
- 請求項1で定義した式(IV)の化合物又は請求項3で定義した式(IVa)の化合物であって、
(i)式(IV)の化合物においてリンカーがフェニルではなく、
(ii)式(IVa)の化合物においてリンカーがフェニルでも、ハロ、ヒドロキシ又はベンジルオキシで置換されたフェニルでもないことを条件とする化合物。 - 式(VIII)、(IX)、(X)又は(XI)の化合物。
mは1〜10の整数であり、
Xは−CO−NH−、−NH−又は−O−であり、
YはH、アルキル又はアリール置換基であり、式(X)の化合物ではnが0ではないことを条件とする。 - 請求項1で定義した式(I)又は(III)の化合物、或いは請求項3で定義した式(Ia)又は(IIIa)の化合物。
- 前記ベクターがArg−Gly−Aspペプチド又はそのアナログである、請求項13記載の化合物。
- 前記ベクターが式(A)のものである、請求項13又は請求項14記載の化合物。
- 請求項1で定義した式(V)又は(VI)の化合物。
- 請求項3で定義した式(Va)又は(VIa)の化合物。
- 請求項4で定義した式(XII)、(XIII)、(XIV)、(XV)の化合物。
- 請求項5で定義した式(XXI)、(XXII)、(XXIII)、(XXIV)の化合物。
- 前記ベクターがArg−Gly−Aspペプチド又はそのアナログである、請求項16乃至請求項19のいずれか1項記載の化合物。
- 前記ベクターが以下のフラグメントを含む、請求項20記載の化合物。
- 前記ベクターが、式(A)のものである、請求項20記載の化合物。
- 次式の化合物。
- 請求項16乃至請求項23のいずれか1項記載の化合物の有効量を、薬学的に許容される1種以上の補助薬、賦形剤又は希釈剤と共に含む、放射性医薬品組成物。
- 医療用の、請求項16乃至請求項23のいずれか1項記載の化合物。
- インビボイメージング法で使用される放射性医薬品を製造するための、請求項16乃至請求項23のいずれか1項記載の化合物の使用。
- ヒト又は動物の身体の画像を生成する方法であって、PETを用いて、請求項16乃至請求項23のいずれか1項記載の化合物が分布した身体の少なくとも一部の画像を生成することを含む方法。
- 癌に付随する症状に作用する薬剤によるヒト又は動物の身体の治療の効果をモニターする方法であって、請求項20乃至請求項23のいずれか1項記載の化合物の取込みを検出することを含む方法。
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HK1087928A1 (en) | 2006-10-27 |
BRPI0408236A (pt) | 2006-03-01 |
NO20054185D0 (no) | 2005-09-09 |
KR101066684B1 (ko) | 2011-09-21 |
AU2004218879B2 (en) | 2009-10-01 |
RU2363704C2 (ru) | 2009-08-10 |
CN100586485C (zh) | 2010-02-03 |
NO333174B1 (no) | 2013-03-25 |
EP1601384A1 (en) | 2005-12-07 |
CN1758925A (zh) | 2006-04-12 |
RU2009112412A (ru) | 2010-10-20 |
WO2004080492A1 (en) | 2004-09-23 |
ATE481987T1 (de) | 2010-10-15 |
RU2005126984A (ru) | 2006-06-27 |
BRPI0408236B1 (pt) | 2016-09-20 |
GB0305704D0 (en) | 2003-04-16 |
NO20054185L (no) | 2005-11-10 |
US8197793B2 (en) | 2012-06-12 |
ES2352731T3 (es) | 2011-02-22 |
KR20060002819A (ko) | 2006-01-09 |
JP2006523658A (ja) | 2006-10-19 |
MXPA05009682A (es) | 2006-01-27 |
PL1601384T3 (pl) | 2011-03-31 |
DE602004029237D1 (de) | 2010-11-04 |
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