[EN] NEW POLYMORPHIC FORM OF A LONG-ACTING BETA-2 ADRENOCEPTOR AGONIST<br/>[FR] NOUVELLE FORME POLYMORPHE D'UN AGONISTE DU RÉCEPTEUR ADRÉNERGIQUE BÊTA-2 À ACTION PROLONGÉE
申请人:LESVI LABORATORIOS SL
公开号:WO2013136061A1
公开(公告)日:2013-09-19
New polymorphic form of a long-acting beta-2 adrenoceptor agonist A new polymorphic form of arformoterol tartrate, designated as form D, is provided and which is characterised by at least one of the following: (i) a powder X-ray diffraction pattern having peaks at approximately 6.8, 13.3, 13.6, 3.8, 14.1, 18.2, 18.7, 20.0 ±0.2 degrees two theta; or (ii) a DSC thermogram showing an endothermic peak with an onset at approximately 19-120 ºC, and a maximum at approximately 129-131 ºC, followed by an exothermic peak with a maximum at approximately 137-138 ºC; wherein the DSC thermogram of form D has a further endothermic peak with an onset at approximately 168-170 ºC.1 Processes for preparing the new polymorphic form, uses thereof and intermediates for the preparation thereof, are also provided.
提供了一种新的β-2肾上腺素受体长效激动剂的多态形式,称为D型,其特征至少具有以下之一:(i)粉末X射线衍射图谱在约6.8、13.3、13.6、3.8、14.1、18.2、18.7、20.0±0.2度二θ处具有峰值;或(ii)DSC热重图谱显示一个起始于约19-120℃,最大值约为129-131℃的吸热峰,其后是一个最大值约为137-138℃的放热峰;其中,D型的DSC热重图谱具有进一步的起始于约168-170℃的吸热峰。还提供了制备新多态形式的方法、其用途以及制备中间体。