单词 | Hell-Volhard-Zelinsky reaction |
释义 | Hell-Volhard-Zelinsky reaction [¦hel ¦fōl´härt zǝ`lins·kē rē´ak·shǝn] ORGANIC CHEMISTRY Preparation of an ester or α-halo substituted acid (chloro or bromo) by reacting the halogen on the acid in the presence of phosphorus or phosphorus halide, and then followed by hydrolysis or alcoholysis of the haloacyl halide resulting. |
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