Negative ion FAB mass spectroscopy of some ribose alkylated 5'-UMP derivatives |
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| Authors: | Azhar Kaniz Fizza Qudrat-E-Khuda M Khan Khursheed Alam Ahmad Viqar Uddin |
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| Institution: | PCSIR Laboratories Complex, Karachi--75280, Pakistan. |
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| Abstract: | Characteristic fragment ions obtained in Fast atom bombardment (FAB) mass spectroscopy of ribose alkylated Uridine 5'-monophosphate (5'-UMP) derivatives in negative ion mode are described. All the compounds examined exhibited either M]- or quasimolecular ion M - H]- the fragmentations can be used to characterize these nucleotides. |
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