申请人:NIPPON SHINYAKU CO LTD
公开号:WO2010150865A1
公开(公告)日:2010-12-29
本発明の主目的は、2-{4-[N-(5,6-ジフェニルピラジン-2-イル)-N-イソプロピルアミノ]ブチルオキシ}-N-(メチルスルホニル)アセトアミド(以下、「化合物A」という。)の新規な結晶を提供することにある。 粉末X線回折スペクトルにおいて、少なくとも次の回折角2θ:9.4度、9.8度、17.2度及び19.4度に回折ピークを示す、化合物AのI型結晶。 粉末X線回折スペクトルにおいて、少なくとも次の回折角2θ:9.0度、12.9度、20.7度及び22.6度に回折ピークを示す、化合物AのII型結晶。 粉末X線回折スペクトルにおいて、少なくとも次の回折角2θ:9.3度、9.7度、16.8度、20.6度及び23.5度に回折ピークを示す、化合物AのIII型結晶。
The main objective of the present invention is to provide novel crystals of 2-4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide (hereinafter referred to as "Compound A"). The crystal structure of Compound A includes the following diffraction peaks at 2θ angles of 9.4 degrees, 9.8 degrees, 17.2 degrees, and 19.4 degrees in the powder X-ray diffraction spectrum, which is referred to as Type I crystal. The crystal structure of Compound A also includes the following diffraction peaks at 2θ angles of 9.0 degrees, 12.9 degrees, 20.7 degrees, and 22.6 degrees in the powder X-ray diffraction spectrum, which is referred to as Type II crystal. The crystal structure of Compound A further includes the following diffraction peaks at 2θ angles of 9.3 degrees, 9.7 degrees, 16.8 degrees, 20.6 degrees, and 23.5 degrees in the powder X-ray diffraction spectrum, which is referred to as Type III crystal.