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单词 monohalogenated
释义

monohalogenatedadj.

Brit. /ˌmɒnə(ʊ)ˈhalədʒəneɪtᵻd/, U.S. /ˌmɑnəˈhælədʒəˌneɪdᵻd/
Origin: Formed within English, by compounding. Etymons: mono- comb. form, halogenated adj. at halogen n. Derivatives
Etymology: < mono- comb. form + halogenated adj. at halogen n. Derivatives. Compare earlier monohalogen adj.
Chemistry.
Containing one atom of a halogen substituted for another atom or group (usually hydrogen).
ΚΠ
1902 Chem. News 17 Jan. 36/1 The mono-halogenated derivatives of the xanthene series possess basic properties.
1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) x. 289 The answer..stems from a consideration of the alternative carbanions..obtainable from the mono-halogenated ketone.
1984 Jrnl. Agric. & Food Chem. 32 1217 Aldrin, dieldrin and endrin gave with this reagent only the monohalogenated products.
1999 Chem. & Pharmaceut. Bull. 47 1641 The monohalogenated derivatives, 2, 4 and 6 were able to prolong pentobarbital and hexobarbital-induced sleeping time.
This is a new entry (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1902
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更新时间:2024/12/24 1:23:19