单词	ylid
释义	ylid /ˈɪlɪd / (also ylide /ˈɪlʌɪd/) noun Chemistry A compound having an uncharged molecule containing a negatively charged carbon atom directly bonded to a positively charged atom of sulphur, phosphorus, nitrogen, or another element: ammonium ylids... This reaction occurs between an ylide and a carbonyl group which ultimately yields the alkene. Origin 1950s: from -yl + -ide.
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