JP5869205B2 - ポジトロン放射断層画像法 - Google Patents
ポジトロン放射断層画像法 Download PDFInfo
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- JP5869205B2 JP5869205B2 JP2009549234A JP2009549234A JP5869205B2 JP 5869205 B2 JP5869205 B2 JP 5869205B2 JP 2009549234 A JP2009549234 A JP 2009549234A JP 2009549234 A JP2009549234 A JP 2009549234A JP 5869205 B2 JP5869205 B2 JP 5869205B2
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- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
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Description
本出願は、2007年2月7日出願の米国特許仮出願第60/899,921号、および、2007年3月21日出願の米国特許仮出願第60/896,018号の利益を主張する。この参照により、これら両方の全体を本出願に含める。
(b)(i)(F3CCO)2O (ii)3% TFA。
本明細書における記載の通りに、他の固相支持体の使用も可能であること、および、他のプテロイン酸および葉酸類縁体および誘導体の使用も可能であることが認識される。
上記スキームは、カルボン酸を含むニトロアリールのために例示されている。しかしながら、さらに別の、ニトロアリール含有化合物、例えば、ニトロヘテロアリール含有化合物なども、付着原子の適切な選択によって使用が可能であることを理解しなければならない。例えば、逆転アミドが本明細書に記載されるが、この場合、上記スキームにおいて、PEG中間体はカルボン酸で終止し、ニトロアリール含有基は、アニリン、または、その、対応アリールまたはヘテロアリール変異体、例えば、3-ニトロ-5-アミノピリジンなどである。さらに、ニトロアリール基を付着させるための、チオアミド、尿素、エーテル、エステル、および他の化学的リンカーも、本明細書において記載される。
上記スキームは、カルボン酸を含むフルオロアリールのために例示されている。しかしながら、さらに別の、フルオロアリール含有化合物、例えば、フルオロヘテロアリール含有化合物なども、付着原子の適切な選択によって使用が可能であることを理解しなければならない。例えば、逆転アミドが本明細書に記載されるが、この場合、上記スキームにおいて、PEG中間体はカルボン酸で終止し、フルオロアリール含有基は、アニリン、または、その、対応アリールまたはヘテロアリール変異体、例えば、3-フルオロ-5-アミノピリジンなどである。さらに、フルオロアリール基を付着させるための、チオアミド、尿素、エーテル、エステル、および他の化学的リンカーも、本明細書において記載される。本明細書に記載される化合物は、対応するフルオロ基に変換されてもよい、一つを超えるニトロ基を含んでもよいことを理解しなければならない。さらに、上記例示の合成は、19Fと18F両フルオロアリール化合物の調製のために適用することが可能であることを理解しなければならない。ただし、18Fフルオロアリール化合物は、本明細書に記載のPETを用いる画像法に使用されるように適応されることが認識される。
(c) 18F-, DMF, Kryptofix-222, K2CO3, 熱, hν(電子レンジ)。
合成に関するさらに詳細が、J. Am. Chem. Soc, 2005, 127, 2050-2051;Angew. Chem. Int. Ed. 2004. 43, 3588-3590;J. Org. Chem. 1984, 49, 3216-3219;J. Am. Chem. Soc. 1974, 96, 2250-2252;J. Chem. Soc, Chem. Commun. 1993, 921-922;J. Fluorine Chem., 1993, 63, 25-30;Applied Radiation and Isotopes 2006, 64, 989-994;Applied Radiation and Isotopes 1999, 50, 923-927;J. Nuc. Med. 1991, 32, 2266-2272;およびAngew. Chem. Int. Ed. 2006, 45, 2720-2725に記載される。なお、これらの文献全体を引用により本明細書に含める。
式中、nは、1から約100までから選ばれる整数であるか;1から約20の範囲、または3から約8の範囲の整数である。18Fおよび19Fのいずれか、またはその両方、およびそれらの混合物を、上記プロセスにしたがって調製してもよいことが理解される。合成に関するさらに詳細が、Bioorg Med Chem Lett. 10:1501-1503 (2000)に記載される。なお、この文献の全体を引用により本明細書に含める。
(d) N-ヒドロキシスクシニミドテトラメチルウレア (TSTU), CH3CN, 120 ℃, 5分。
p-フルオロベンゾイン酸は、完全にプロトン化するために、十分なHClを加えることによって精製し、濃縮してもよく、これらは、逆相C18カラムにおいて、例えば、Waters Corp. Milford Masachusettsによって販売されるC18 SepPak Plusにおいて単離される。カラムは、水溶性夾雑物を完全に除去するために、HCl酸性化水によって洗浄してもよい。p-フルオロベンゾイン酸は、メタノールによってカラムから溶出し、次いで、陽イオンイオン交換カラム(例えば、Dowexカラム)においてさらに夾雑物を除去し、メタノールの蒸発によって濃縮する。上記合成は、18F および19F を含む同位元素混合物を作製するためにも使用されることを理解しなければならない。
Claims (15)
- mが1または2であることを特徴とする、請求項1に記載の化合物。
- Rfが、一つ、または二つのニトロ基を含むことを特徴とする、請求項1に記載の化合物。
- Rfが、一つ、または二つの18Fフルオロ基を含むことを特徴とする、請求項1に記載の化合物。
- Rfが、少なくとも一つのニトロ基、および少なくとも一つの18Fフルオロ基を含むことを特徴とする、請求項1に記載の化合物。
- 請求項1に記載の化合物、および、該化合物のための担体を含む組成物であって、該化合物が、ポジトロン放射断層画像法において使用するのに十分な量として存在することを特徴とする、組成物。
- ビタミンに対し接触可能な結合部位を有する活性化単球または活性化マクロファージによって仲介される病態を、患者において診断または監視するための医薬品の製造における、請求項1に記載の化合物の使用方法。
- ビタミン受容体を特異的に発現するか、または過剰に発現する癌細胞を有する癌を、診断または監視するための医薬品の製造における、請求項1に記載の化合物の使用方法。
- 血管に付随する活動的アテローム硬化プラークを診断または監視するための医薬品の製造における、請求項1に記載の化合物の使用方法であって、該プラークが、ビタミンに対し接触可能な結合部位を有する活性化マクロファージを含むことを特徴とする、使用方法。
- ビタミンに対し接触可能な結合部位を有する活性化単球または活性化マクロファージによって仲介される病態を、患者において診断または監視するための医薬品の製造における、請求項6に記載の組成物の使用方法。
- ビタミン受容体を特異的に発現するか、または過剰に発現する癌細胞を有する癌を、診断または監視するための医薬品の製造における、請求項6に記載の組成物の使用方法。
- 血管に付随する活動的アテローム硬化プラークを診断または監視するための医薬品の製造における、請求項6に記載の組成物の使用方法であって、該プラークが、ビタミンに対し接触可能な結合部位を有する活性化マクロファージを含むことを特徴とする、使用方法。
- ビタミンに対し接触可能な結合部位を有する活性化単球または活性化マクロファージによって仲介される病態を、患者において診断または監視するための医薬品であって、請求項1に記載の化合物、または請求項8に記載の組成物を含む、医薬品。
- ビタミン受容体を特異的に発現するか、または過剰に発現する癌細胞を有する癌を、診断または監視するための医薬品であって、請求項1に記載の化合物、または請求項6に記載の組成物を含む、医薬品。
- 血管に付随する活動的アテローム硬化プラークを診断または監視するための医薬品であって、請求項1に記載の化合物、または請求項6に記載の組成物を含み、該プラークが、ビタミンに対し接触可能な結合部位を有する活性化マクロファージを含むことを特徴とする、医薬品。
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