phosphyln.
/ˈfɒsfʌɪl/, /ˈfɒsfɪl/, U.S. /ˈfɑsfəl/ Chemistry.
A radical or group (e.g. —PO2) containing a phosphorus atom bonded to at least two oxygen atoms, one or more of which may have organic substituents attached. Usually attributive.
ΚΠ
1898 G. M'Gowan tr. E. von Meyer Hist. Chem. (ed. 2) 462 Organic compounds containing the group phosphyl (PO2) were also prepared a few years ago.
1978 Jrnl. Amer. Chem. Soc. 100 2529/2 The selectivity data indicate that the two phosphyl groups —PO32− and —PO(OR)2 have similar electron-withdrawing power.
2004 Biochem. Pharmacol. 68 2238/1 Removal of the phosphyl moiety from the AChE [acetylcholinesterase] active site serine..is considered to be the primary mechanism of oxime action.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1898