The present invention relates to a novel process for the preparation of (S)-7-(1-acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a] pyrimidine-3-carboxamide of formula-1 or its salts. The present invention also relates to 5 novel process for the preparation of intermediate compound of Formula-7 and recovery of the intermediate compound of Formula-12, which is used in the preparation of compound of Formula-7. The compounds of formula-1 & formula-7 are represented by following structural formulae.
本发明涉及一种制备(S)-7-(
1-丙烯酰基
哌啶-4-基)-2-(4-苯氧基苯基)-4,5,6,7-四氢
吡唑[1,5-a]
嘧啶-3-羧酰胺(式-1)或其盐的新工艺。本发明还涉及一种制备中间化合物式-7和回收式-12中间化合物的新工艺,该中间化合物用于制备式-7化合物。式-1和式-7化合物由以下结构式表示。