New synthesis route for the preparation of pomalidomide
2016
ABSTRACTA new route for the preparation of pomalidomide is described in the study. The synthetic procedure starts from 4-nitroisobenzofuran-1,3-dione and 3-aminopiperidine-2,6-dione hydrochloride via a three-step reaction resulting in a total yield of 65% with a high-performance liquid chromatographic (HPLC) purity of 99.56% and a low palladium residue level of 2 ppm. This method can be deemed as an efficient, practical, and environmentally friendly synthetic route for the preparation of pomalidomide.
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