- 2,2-Ji Fei Neils Bu Tannike of solid crystals 4-(2- methyl-1H-Imatser-1-1)

摘要

The present invention relates to a solid form of 4-(2-methyl-1 H-imidazol-1-yl)-2,2- diphenylbutanenitrile phosphate intermediate and its use for preparing imidafenacin, and an improved process for preparing 4-(2-methyl-1-imidazolyl)-2,2- diphenylbutanamide, also known as imidafenacin, in good yield and purity using said solid form.