Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用
4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine is a reagent in the synthesis of (+)-tofacitinib, a selective Janus kinase 3 inhibitor (JAK3) and an immunosuppressant drug.
参考文献
Liao, H., et al.: Tetrahedron: Asymmetry, 28, 105, (2017)