METHOD FOR PREPARING PROSTACYCLIN RECEPTOR AGONIST
申请人:Seasons Biotechnology (Taizhou) Co., Ltd.
公开号:US20180029998A1
公开(公告)日:2018-02-01
The present invention relates to preparation methods of a prostacyclin receptor agonist of 2-4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide and its intermediates. These methods are simple and convenient to operate, environment-friendly and suitable for industrial production to obtain the product with good yield and high purity.
[EN] PROCESSES FOR PREPARATION OF SELEXIPAG AND ITS AMORPHOUS FORM<br/>[FR] PROCÉDÉS DE PRÉPARATION DE SELEXIPAG ET DE SA FORME AMORPHE
申请人:DR REDDY'S LABORATORIES LTD
公开号:WO2017029594A1
公开(公告)日:2017-02-23
The present application relates to processes for preparation of Selexipag, its amorphous form, amorphous solid dispersion and pharmaceutical composition thereof. Formula (I):