JP2008538743A5 - - Google Patents

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JP2008538743A5
JP2008538743A5 JP2008501969A JP2008501969A JP2008538743A5 JP 2008538743 A5 JP2008538743 A5 JP 2008538743A5 JP 2008501969 A JP2008501969 A JP 2008501969A JP 2008501969 A JP2008501969 A JP 2008501969A JP 2008538743 A5 JP2008538743 A5 JP 2008538743A5
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pteroic acid
derivative
pteroic
group
following formula
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Claims (25)

  1. プテロイン酸、プテロイン酸誘導体、プテロイン酸類縁体、またはそれらの混合物を精製する方法であって、
    (a)プテロイン酸、プテロイン酸誘導体、プテロイン酸類縁体、またはそれらの混合物を含む溶液を、イオン交換クロマトグラフィー支持体に接触させる工程、
    (b)10以上のpHを持つ移動相によって、プテロイン酸、プテロイン酸誘導体、またはプテロイン酸類縁体を含む第1の分画を溶出させる工程、
    (c)第1の分画のpHを3以下に下げる工程、および
    (d)プテロイン酸、プテロイン酸誘導体、またはプテロイン酸類縁体を沈殿させる工程
    を含む方法。
  2. 前記溶液が、葉酸、葉酸誘導体、またはそれらの混合物をさらに含むことを特徴とする、請求項1の方法。
  3. (e)葉酸、または葉酸誘導体を含む第2の分画を溶出させる工程、をさらに含み、前記第1の分画と第2の分画とは実質的に分離されていることを特徴とする、請求項2の方法。
  4. 前記イオン交換クロマトグラフィー支持体が、サッカリド系イオン交換樹脂を含むことを特徴とする、請求項1〜3のいずれかの方法。
  5. 前記イオン交換クロマトフラフィー支持体が、サッカリド系陰イオン交換樹脂を含むことを特徴とする、請求項1〜3のいずれかの方法。
  6. 前記イオン交換クロマトフラフィー支持体が、セルロース、アミロース、またはそれらの組み合わせを含むサッカリド系陰イオン交換樹脂を含むことを特徴とする、請求項1〜3のいずれかの方法。
  7. 前記イオン交換クロマトフラフィー支持体が、セファデックスDEAE、セファデックスQA、PEIセルロース、QAセルロース、DEAEセルロース、およびそれらの組み合わせから成るグループから選ばれるサッカリド系陰イオン交換樹脂を含むことを特徴とする、請求項1〜3のいずれかの方法。
  8. 前記移動相が、11以上のpHを持つことを特徴とする、請求項1〜3のいずれかの方法。
  9. 前記移動相が、11から13の範囲のpHを持つことを特徴とする、請求項1〜3のいずれの方法。
  10. 前記移動相が、アンモニアまたはその塩を実質的に含まないことを特徴とする、請求項1〜3のいずれの方法。
  11. 前記沈殿させる工程が、95重量%以上の純度を有する沈殿物をもたらすことを特徴とする、請求項1〜3のいずれかの方法。
  12. 前記沈殿させる工程が、98重量%以上の純度を有する沈殿物をもたらすことを特徴とする、請求項1〜3のいずれかの方法。
  13. 前記沈殿させる工程が、99重量%以上の純度を有する沈殿物をもたらすことを特徴とする、請求項1〜3のいずれかの方法。
  14. 前記沈殿させる工程が、葉酸を実質的に含まない沈殿物をもたらすことを特徴とする、請求項1〜3のいずれかの方法。
  15. 前記プテロイン酸誘導体が、下式:
    Figure 2008538743
    の誘導体であることを特徴とする、請求項1〜3のいずれかの方法。
  16. 前記プテロイン酸誘導体が、下式:
    Figure 2008538743
    の誘導体であることを特徴とする、請求項1の方法。
  17. プテロイン酸、プテロイン酸誘導体、プテロイン酸類縁体、またはそれらの混合物を精製する方法であって、
    (a)プテロイン酸、プテロイン酸誘導体、プテロイン酸類縁体、またはそれらの混合物を含む溶液を、セファデックスDEAE、セファデックスQA、PEIセルロース、QAセルロース、DEAEセルロース、およびそれらの組み合わせから成るグループから選ばれる陰イオン交換クロマトグラフィー支持体に接触させる工程、および
    (b)プテロイン酸、プテロイン酸誘導体、またはプテロイン酸類縁体を含む第1の分画を溶出させる工程
    を含む方法。
  18. プテロイン酸、その誘導体、またはプテロイン酸類縁体と、フルオレセイン、またはフルオレセイン誘導体とを含む、結合体を精製する方法であって、
    (a)第1の逆相クロマトグラフィー支持体に、結合体を含む溶液を接触させる工程、
    (b)リン酸塩を含み6から8の範囲のpHを有する移動相によって、結合体のリン酸塩複合体を含む第1の分画を溶出させる工程、
    (c)第2の逆相クロマトグラフィー支持体に、結合体のリン酸塩複合体の溶液を接触させる工程、および
    (d)水を含む移動相によって、結合体を含む第2の分画を溶出させる工程であって、該第2の分画は実質的にリン酸塩を含まないことを特徴とする工程
    を含む方法。
  19. 前記結合体が、下式:
    Figure 2008538743
    の化合物であることを特徴とする、請求項18の方法。
  20. 前記溶出させる工程(b)および前記溶出させる工程(d)において、前記移動相がアセトニトリルをさらに含むことを特徴とする、請求項18の方法。
  21. 下式:
    Figure 2008538743
    の化合物を調製する方法であって、
    下式:
    Figure 2008538743
    の化合物を、下式:
    Figure 2008538743
    の化合物と反応させる工程を含む方法。
    (上記の式中、WaはOHであって、Wbは下式:
    Figure 2008538743
    の化合物であるか、あるいは、Waは下式:
    Figure 2008538743
    の化合物であって、WbはHであり、
    R1およびR2は、水素および窒素保護基から成るグループからそれぞれ独立に選ばれるか、あるいは、R1およびR2は共に結合して窒素保護基を形成し、
    R3およびR4は、水素および窒素保護基から成るグループからそれぞれ独立に選ばれ、
    R5は、水素、またはカルボン酸保護基であり、
    nは、0、1、2、3、および4から成るグループから選ばれる整数であり、
    mは、1、2、3、および4から成るグループから選ばれる整数であり、
    RおよびRは、水素および窒素保護基から成るグループからそれぞれ独立に選ばれるか、RおよびRは共に結合して窒素保護基を形成するか、あるいは、R6はHであって、R7は下式:
    Figure 2008538743
    の化合物であり、かつ、
    Rは、水素またはアルキル基である。)
  22. Rが水素であり、Rがメチルであることを特徴とする、請求項21の方法。
  23. 下式:
    Figure 2008538743
    の化合物、または、その製薬学的に受容可能な塩、水和物、もしくは溶媒化合物であって、少なくとも95モルパーセント、または少なくとも95重量%の純度を持つ形で単離されることを特徴とする化合物。
  24. 1種以上のビスフルオレセイン成分を実質的に含まない形としてさらに単離されることを特徴とする、請求項23の化合物。
  25. 哺乳動物における病原細胞集団の内因性免疫反応介在性除去を強化するための薬物の製造における、有効量のリガンド-フルオレセイン結合体を含む組成物の使用方法であって、前記組成物が、1種以上のビスフルオレセイン成分を実質的に含まないことを特徴とする方法。
JP2008501969A 2005-03-16 2006-03-14 プテロイン酸およびその結合体の合成と精製 Expired - Fee Related JP5289935B2 (ja)

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US66227705P 2005-03-16 2005-03-16
US60/662,277 2005-03-16
PCT/US2006/009153 WO2006101845A2 (en) 2005-03-16 2006-03-14 Synthesis and purification of pteroic acid and conjugates thereof

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JP2008538743A5 true JP2008538743A5 (ja) 2009-04-30
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US (1) US8044200B2 (ja)
EP (1) EP1863816B1 (ja)
JP (1) JP5289935B2 (ja)
CN (1) CN101175757B (ja)
WO (1) WO2006101845A2 (ja)

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