性质
桥联亚甲基可以被吸电子基团活化,被活化的亚甲基(活泼亚甲基)的氢具有酸性,可以和碱反应形成碳负离子,这种离子的电荷在所连吸电子基团上离域而具有稳定性。
活泼亚甲基可参与的反应有Knoevenagel缩合反应以及丙二酸酯合成等。[2]
参考文献
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