Foley & Lardner LLP
Crystal form A 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 C B B A C C A C C
C07B C07D B01D B01D A61K C07B C07B A61P C07D C07D
inventional inventional inventional inventional inventional additional inventional inventional inventional inventional
Minggao Weidong Kunmin Zheng Feng Weihua Zhigan Haiying Linghui Hongwei
Zeng Li Lai Wang Xu Shi Jiang He Wu Li