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