phosphoramiden.
/ˈfɒsfərəmʌɪd/, /ˌfɒsˈfɒrəmʌɪd/, U.S. /ˈfɑsfərəˌmaɪd/, /ˌfɑsˈfɔrəˌmaɪd/ Chemistry.
A crystalline compound, (NH2)3P=O; phosphoric triamide; any substituted derivative of this, examples of which are used as fire retardants and cross-linking reagents. Cf. phosphamide n.
ΚΠ
1866 W. Odling Lect. Animal Chem. 17 If we replace them by amidogen we obtain phosphoramide.
1954 Science 21 May 716/2 Administration of T.E.P.A. (triethylenimino phosphoramide) to laboratory rats reduces food utilization in both normal and cancerous animals.
1978 Brit. Jrnl. Cancer 38 418 Experiments..indicate that a family of specifically substituted phosphoramides may share the carcinogenic properties displayed by the structurally novel carcinogen, hexamethylphosphoramide (HMPA).
1990 EMBO Jrnl. 9 3818/2 Unmodified deoxynucleotides were synthesized by means of an automatic DNA synthesizer..using standard phosphoramide chemistry.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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