反应 #348464

ord-2ddb999937534d09b6cd14f3ef3aa9b3

溶剂

反应条件

详细条件
See reaction.notes.procedure_details.

后处理

  1. 1
    workup.DISSOLUTIONAfter the solids dissolve
  2. 2
    workup.DISTILLATIONthe benzene is distilled
  3. 3
    其他the phosphorus oxychloride is removed under reduced pressure
  4. 4
    温度on chilling

实验过程

Ten grams of 3,5-dinitro-4-chloro-o-toluic acid is warmed on a water bath with 9.2 grams of phosphorus pentachloride and 30 ml. of benzene. After the solids dissolve, the benzene is distilled and the phosphorus oxychloride is removed under reduced pressure. The desired product as a residual oil solidifies on chilling.

来源

DOI: 10.6084/m9.figshare.5104873.v1专利: US04165231uspto-grants-1979_08