Wideqvist環丙烷衍生物合成(英語:Wideqvist cyclopropane synthesis)
醛或酮與溴代丙二腈在碘化鉀作用下發生分子內縮合,並進一步環化生成四氰基環丙烷衍生物。[1][2]
環酮類可通過此反應生成螺環化合物,但10個碳以上的大環酮類不發生反應。
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