反応 #3609

ord-33ac9464e5e1486c8765991c4ac756d8

反応方程式

COc1cc(Cl)ccc1C(=O)O
4-chloro-o-anisic acid
O=S(Cl)Cl
thionyl chloride
COc1cc(Cl)ccc1C(=O)Cl
desired product
COc1cc(Cl)ccc1C(=O)Cl
4-Chloro-2-methoxybenzoyl chloride

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    温度at reflux for 1 hour
  2. 2
    その他The volatiles are evaporated in vacuo
  3. 3
    その他to give a residue which
  4. 4
    濃縮is concentrated from toluene three times
  5. 5
    その他dried under vacuum

実験手順

A solution of 2.0 g of 4-chloro-o-anisic acid in 22 ml of thionyl chloride is heated at reflux for 1 hour. The volatiles are evaporated in vacuo to give a residue which is concentrated from toluene three times and dried under vacuum to give 2.0 g of the desired product as a residue.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05733905uspto-grants-1998_03