Two β??azidocyclopropanecarboxylates are readily synthesized from β??bromoalkyliden malonates via a Michael–initiated ring closure (MIRC) reaction in moderate yields, which are regarded as precursors of β??aminocyclopropanecarboxylic acids. ... Two β??azidocyclopropanecarboxylates are readily synthesized from β??bromoalkyliden malonates via a Michael–initiated ring closure (MIRC) reaction in moderate yields, which are regarded as precursors of β?? ...