Chemical name
English name: Benzyl (3R,4S)-3-(2-Bromoacetyl)-4-Ethylpyrrolidine-1-Carboxylate
CAS No.: 乌帕替尼中间体
Physicochemical properties:
Molecular formula: C16H20BrNO3
Structural type:
Molecular weight: 354.239
Boiling point: 453.1±45.0 °C(Predicted)
Density: 1.361±0.06 g/cm3(Predicted)
Purpose: Benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate is a key intermediate of upatinib. At the beginning of 2018, the oral Jak1 selective inhibitor upadacitinib (abt-494), developed by abbvie in the United States once every day for the treatment of adult moderate and severe atopic dermatitis, was recognized as a breakthrough therapy by FDA.