Identification of an isomer impurity in piperaquine drug substance.
A significant contaminant of the antimalarial drug piperaquine (1,3-bis-[4-(7-chloroquinolyl-4)-piperazinyl-1]propane) has been identified using liquid chromatography-mass spectrometry (LC-MS) and 2D NMR spectroscopy (1H-1H COSY, 1H-13C HSQC, 1H-13C HMBC). The impurity was identified as the position...
Những tác giả chính: | Lindegårdh, N, Giorgi, F, Galletti, B, Di Mattia, M, Quaglia, M, Carnevale, D, White, N, Mazzanti, A, Day, N |
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Định dạng: | Journal article |
Ngôn ngữ: | English |
Được phát hành: |
2006
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