反应详情

Thus obtained product can be led to 2-methoxyimino-3,3-ethylenedioxybutyric acid (syn isomer) or 2-methoxyimino-3,3-ethylenedioxy-4-chlorobutyric acid (syn isomer) or 2-methoxyimino-3,3-ethylenedioxy-4-bromobutyric acid (syn isomer) according to the manner described in Examples 1 or 2 or 3 or 4 or 5.