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PROCESS FOR PREPARING METHYL METHYLCARBAMATE AND ITS PURIFICATION FOR USE AS PHARMACEUTICALLY ACTIVE COMPOUND
PROCESS FOR PREPARING METHYL METHYLCARBAMATE AND ITS PURIFICATION FOR USE AS PHARMACEUTICALLY ACTIVE COMPOUND
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机译:氨基甲酸甲酯的制备方法及其提纯用作药物活性化合物的方法
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摘要
The present invention relates to a process for preparing methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I); ;and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.
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