Salt type and crystal type of 4h-pyrazolo [1, 5-alpha] benzimidazole compound and preparation method and intermediate thereof
申请人:HUBEI BIO-PHARMACEUTICAL INDUSTRIAL TECHNOLOGICAL INSTITUTE INC.
公开号:US10941150B2
公开(公告)日:2021-03-09
Disclosed in the present invention are a salt type and crystal type of 4H-pyrazolo[1, 5-alpha]benzimidazole compound and the preparation method and intermediate thereof. The 4H-pyrazolo[1,5-alpha]benzimidazole compound has the structure of Compound 2.
本发明公开了 4H-吡唑并[1,5-alpha]苯并咪唑化合物的盐型和晶体型及其制备方法和中间体。4H-吡唑并[1,5-α]苯并咪唑化合物具有化合物 2 的结构。