Foley & Lardner LLP
Crystal form B of 1-isobutyryl-1′-((1-(4,4,4-trifluorobutyl)-4,5,6,7-tetrahydro-1H-benzo[d]imidazol-2-yl)methyl)spiro[azetidine-3,3′-indolin]-2′-one
Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
C B C C C A A C C B
C07D B01D C07D C07B C07B A61P A61K C07B C07D B01D
inventional inventional inventional additional inventional inventional inventional inventional inventional inventional
Feng Linghui Weihua Kunmin Hongwei Zhigan Zheng Weidong Haiying Minggao
Xu Wu Shi Lai Li Jiang Wang Li He Zeng