| 单词 | Friedel-Crafts reaction | 
| 释义 | Friedel-Crafts reactionnoun  Frie·del-Crafts reaction   frē¦d|elˈkraf(t)s-, ¦freˌd|   : a synthetic reaction in organic chemistry in which anhydrous aluminum chloride acts as the typical catalyst: such as    a    : the synthesis of a hydrocarbon (as ethylbenzene) by alkylation of an aromatic hydrocarbon with an alkyl halide    b    : the synthesis of a ketone (as benzophenone) by acylation of an aromatic hydrocarbon with an acyl chloride or acid anhydride   | 
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