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Reference.org
Phosphoramides
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<p>Phosphoramides are a class of <a href="/facts/Phosphorus_compound/27xCeIqs">phosphorus compounds</a> with the formula O=P(NR2)3-n(OH)n. They can be considered derivatives of <a href="/facts/Phosphoric_acid/l6NbwyCv">phosphoric acid</a> where OH groups have been replaced with an amino or R-substituted amino group. In practise the term is commonly confined to the phosphoric triamides (P(=O)(NR2)3), essentially <a href="/facts/Phosphoramide/HG5BKX4V">phosphoramide</a> and derivatives thereof. Derivatives with the general structures P(=O)(OH)(NR2)2 or P(=O)(OH)2(NR2) are usually referred to as <a href="/facts/Phosphoramidate/wqcYJvNd">phosphoramidic acids</a>. </p>