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A phosphoramidate is a phosphate that has an NR2 instead of an OH group. The structure of phosphoramidic acid (phosphoramidate), (HO)2PONH2, is present in PubChem.[1]
A phosphorodiamidate is a phosphate that has two of its OH groups substituted by NR2 groups.


An example of a natural phosphoramidate is phosphocreatine. An example of a phosphorodiamidate is Morpholino which is used in molecular biology.

See also[edit]


  1. ^ "phosphoramidic acid - PubChem". 2013-09-25. Retrieved 2014-01-14.