| 摘要 |
The object of the present invention is a process for preparing the 2-acetoxy-5-(2-fluor-α-cyclopropyl-carbonyl-benzyl)-4,5,6,7-tetrahydro-4H-tieno[3,2-c]pyridine (prasugrel) of the formula (I)starting from 5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine of the formula (VI)in a crystalline form I. Further objects of the present invention are said novel crystalline form I of the formula (VI) and a process for preparing the same. |
