An improved process suitable for large-scale production of 2',3'-didehydro-3'-deoxythymidine (d4T) and close analogs is disclosed. The improved process yields d4T in high yield and purity without the use of hazardous reactions or reagents and incorporates several process improvements important on a large scale including a novel purification step involving the isolation of a d4T.N-methylpyrrolidinone solvate.
本发明揭示了一种适用于大规模生产2',3'-二去氢-3'-脱氧胸腺
嘧啶(d4T)和类似物的改进工艺。该改进工艺不使用危险反应或试剂,可高产高纯地制备d4T,并在大规模生产中引入了几个重要的工艺改进,包括一种新的纯化步骤,其中包括分离d4T.
N-甲基吡咯烷酮溶剂。