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来自维基百科,自由的百科全书
Fritsch–Buttenberg–Wiechell重排反应(Fritsch–Buttenberg–Wiechell rearrangement),以 Paul Ernst Moritz Fritsch (1859–1913), Wilhelm Paul Buttenberg, Heinrich G. Wiechell 的名字命名。
1,1-二芳基-2-溴代烯烃在强碱(如醇盐)作用下重排为1,2-二芳基炔。[1][2][3] [4]
利用此反应合成多炔:[6](炔化物中间体被亲电试剂碘甲烷捕获。产物为鬼针草中存在的天然产物)
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