The present invention relates to an improved process for the preparation of 1-[(3R)-3-[4-amino-3-(4-phenoxyphenyl)- 1 H-pyrazolo[3,4-d]pyrimidin- 1 -yl]- 1 -piperidin yl]-2-propen-1-one compound of formula- 1 and its polymorphs thereof, which is represented by the following structural formula:
本发明涉及一种改进的制备1-[(3R)-3-[4-
氨基-3-(4-苯氧基苯基)-1H-
吡唑并[3,4-d]
嘧啶-1-基]-1-
哌啶基]-2-
丙烯-1-酮化合物及其多晶形式的方法,其由以下结构式表示: