出典:Wiktionary
sulfonium (countable かつ uncountable, 複数形 sulfoniums)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/06 18:48 UTC 版)
A sulfonium ion, also known as sulphonium ion or sulfanium ion, is a positively charged ion (a "cation") featuring three organic substituents attached to sulfur. They have the formula [SR3]+. Together with their negatively charged counterpart, the anion, the compounds are called sulfonium salts.