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单词 metalate
释义

metalatev.

Brit. /ˈmɛtəleɪt/, U.S. /ˈmɛdəˌleɪt/
Forms: 1900s– metalate, 1900s– metallate.
Origin: Formed within English, by derivation. Etymons: metal n., -ate suffix3.
Etymology: < metal n. + -ate suffix3, after metalation n.
Chemistry.
transitive. To bring about metalation in (a compound); to subject (a compound) to metalation.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organometallurgy > metalation [verb (transitive)]
metalate1939
1939 Jrnl. Amer. Chem. Soc. 61 109/2 Phenyl ether was not metalated by triphenylmethylsodium.
1954 Org. Reactions 8 vi. 260 n-Butyllithium metalates thiophene in the 2 position.
1989 tr. C. Elschenbroich & A. Salzer Organometallics v. 33 Ethers are slowly metallated at the α-position.

Derivatives

ˈmetalated adj.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organometallurgy > [adjective] > metalation
metalated1954
1954 Org. Reactions 8 vi. 261 The usual metalating agents..yield volatile acids which are easily separated from the acids of higher molecular weight obtained from the metalated products themselves.
1992 Organometallics 11 79/1 The metalated species was formed in 20 h in the presence of sodium acetate.
ˈmetalating adj.
ΚΠ
1954 Org. Reactions 8 vi. 261 The usual metalating agents..yield volatile acids which are easily separated from the acids of higher molecular weight obtained from the metalated products themselves.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IX. 402/2 The most commonly used ‘metalating agent’..is n-butyllithium in ether solution.
1992 Organometallics 11 1412/1 As a result, we selected lithium diisopropylamide (LDA) as the best metalating agent.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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v.1939
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