METHOD FOR PREPARING METHYL{4,6-DIAMINO-2-[1-(2-FLUOROBENZYL)-1H-PYAZOLO[3,4-B]PYRIDIN-3-YL]PYRIMIDIN-5-YL}CARBAMATE AND METHOD FOR PURIFYING THE SAME FOR USE AS PHARMACEUTICALLY ACTIVE COMPOUND

PROBLEM TO BE SOLVED: To provide a method for purifying methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate.SOLUTION: There is provided a method for purifying methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate...

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Bibliographic Details
Main Authors FRANZ-JOSEF MAIS, REHSE JOACHIM, WINFRIED JOENTGEN, KONRAD SIEGEL
Format Patent
LanguageEnglish
Japanese
Published 27.09.2018
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Summary:PROBLEM TO BE SOLVED: To provide a method for purifying methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate.SOLUTION: There is provided a method for purifying methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate by dissolving a crude product of methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate in dimethyl sulfoxide and isolating the resultant methyl{4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate-sulfinyldimethane, followed by boiling dimethyl sulfoxide in a pharmaceutically acceptable solvent to remove again.SELECTED DRAWING: None 【課題】メチル {4,6−ジアミノ−2−[1−(2−フルオロベンジル)−1H−ピラゾロ[3,4−b]ピリジン−3−イル]ピリミジン−5−イル}メチルカルバメートの精製方法の提供。【解決手段】メチル {4,6−ジアミノ−2−[1−(2−フルオロベンジル)−1H−ピラゾロ[3,4−b]ピリジン−3−イル]ピリミジン−5−イル}メチルカルバメートの粗生成物を、ジメチルスルホキシドに溶解し、得られたメチル {4,6−ジアミノ−2−[1−(2−フルオロベンジル)−1H−ピラゾロ[3,4−b]ピリジン−3−イル]ピリミジン−5−イル}メチルカルバメート スルフィニルジメタンを単離し、次いで、ジメチルスルホキシドを、医薬上許容される溶媒中で煮沸して再度除去することにより、上記課題を解決する。【選択図】なし
Bibliography:Application Number: JP20180128949