Compounds in which one or more of the
OH
groups of phosphoric acid have been replaced with an amino or substituted amino group;
commonly confined to the phosphoric triamides,
P(=O)(NR2)3
,
since replacement of one or two
OH
groups produces phosphoramidic acids
P(=O)(OH)(NR2)2
,
P(=O)(OH)2(NR2)
.
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1358