An improved process for the preparation of empagliflozin is disclosed. Novel intermediates of formulas (13) and (14) for the preparation of empagliflozin are also disclosed, wherein R1 and R2 are independently hydrogen or hydroxyl protecting groups.
揭示了一种改进的制备恩帕格列净的方法。还揭示了用于制备恩帕格列净的新型中间体的
化学式(13)和(14),其中R1和R2分别是独立的氢或羟基保护基。