“sulphonium”的英文意思_释义_用法

单词

sulphonium

释义

sulphonium Chem.|sʌlˈfəʊnɪəm|
Also (U.S.) sulf-.
[f. sulphur n. + -onium.]
A hypothetical monovalent complex cation having a central sulphur atom bonded to three hydrogen atoms; also, any derivative of this in which one or more of the hydrogen atoms is replaced by organic radicals. Usu. attrib.
1894[see iodonium].1942Jrnl. Amer. Chem. Soc. LXIV. 1165/1 The ability of dialkyl sulfides to react with ω-halogenated ketones with the subsequent formation of sulfonium halides has been known for some time.1975R. F. Brown Org. Chem. xxix. 945 The sulfonium ions (R₃S⁺) are much more stable than are the analogous oxonium ions (R₃O⁺).

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