申请人:CHIESI FARMACEUTICI S.p.A.
公开号:US09434691B2
公开(公告)日:2016-09-06
The present invention relates to a process for the preparation of compounds endowed with phosphodiesterase (PDE4) inhibitory activity having formula (I). The invention also relates to the process for the isolation by crystallization of the compound (I) and to its use for the preparation of pharmaceutical compositions for inhalation in combination with suitable carriers or vehicles. The present invention also relates to solvates and crystal forms of a compound of formula (I). The synthesized product is suitable for use in pharmaceutical applications for instance in the treatment of respiratory diseases.
本发明涉及一种制备具有磷酸二酯酶(PDE4)抑制活性的化合物的过程,该化合物具有公式(I)。本发明还涉及通过结晶分离化合物(I)的过程,以及将其与适当载体或制剂结合用于制备吸入型药物组合物的过程。本发明还涉及公式(I)化合物的溶剂化合物和晶体形式。合成的产物适用于制药应用,例如用于治疗呼吸系统疾病。