| 单词 |
phosphonate |
| 释义 |
phosphonate, n. Chem.|ˈfɒsfəneɪt|
[f. phosphon(ic adj. (s.v. phosphonium n.) + -ate1 1 c.]
A salt of a phosphonic acid; also used attrib. to designate an anion of the form RPO3 2- , where R is a hydrocarbon group.
1934in Webster. 1950G. M. Kosolapoff Organophosphorus Compounds i. 4 Phosphonic acids... The esters are named phosphonates: MeP(O)(OEt)2 —diethyl methanephosphonate. 1961J. R. van Wazer Phosphorus & its Compounds II. xxxi. 1909 A cation-exchange resin in which a phosphonate radical was employed instead of a sulfonate radical as the exchange site has been offered on an experimental basis. 1976Ann. Rev. Microbiol. XXX. 216 Further analysis of the cyst wall produced under different conditions would be helpful. Such analysis also may reveal whether walls contain a phosphonate different from that of the cell membrane. 1984Greenwood & Earnshaw Chem. of Elements (1986) xii. 591 The recommended names (phosphonic acid and phosphonates) have found more general acceptance for organic derivatives such as RPO32- , and purely inorganic salts are still usually called phosphites. |
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