反应 #3520233
相关文献 (1)
openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US05597828
反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: Sodium (1.86 g, 0.081M) was added in portions to absolute ethanol (150 ml) with stirring. After all the sodium had dissolved a solution of ethyl 2,4-dichlorophenylacetate (20 g) in diethyl carbonate (50 ml) was added dropwise. The reaction mixture was heated until EtOH distilled over. The rate of addition was controlled such that it equalled the rate of distillation. After the completion of addition the reaction mixture was heated and distilled for further 4 hours. The cooled reaction mixture was partitioned between water (300 ml) and EtOAc (300 ml) and the organic layer dried and evaporated in vacuo to give a yellow oil (21 g, 85%). was added dropwise distilled over The rate of addition the rate of distillation After the completion of addition the reaction mixture was heated distilled for further 4 hours The cooled reaction mixture was partitioned between water (300 ml) and EtOAc (300 ml) the organic layer dried evaporated in vacuo
来源 ID: ord-f5b6be36d5aa45b3af25d1682abd83e0